{"title":"Oculaires Explore Scientific","description":"\u003cp\u003eLes oculaires Explore Scientific sont classés par champ apparent, des séries compactes 52° et 62° aux séries 68°, 72° et 82°, jusqu'aux modèles hyper grand champ 92°, 100° et 120°. Presque tous sont étanches et purgés à l'argon, en coulant 1.25\", 2\" ou 3\".\u003c\/p\u003e\u003cp\u003ePar exemple, le 82° 8.5mm LER pour un fort grossissement confortable, le 62° 40mm pour balayer à faible grossissement et le 100° 20mm pour une immersion dans le ciel profond.\u003c\/p\u003e","products":[{"product_id":"explore-scientific-62-9mm-waterproof-eyepiece-1-25","title":"Explore Scientific Oculaire 62° 9mm - 1.25\"","description":"\u003c!-- more --\u003eExplorez les oculaires étanches scientifiques - Confort, qualité, valeur. Les oculaires de la série Explore Scientific 62° sont d'excellents oculaires multi-éléments à champ plat qui peuvent transformer votre expérience d'astronomie visuelle. Avec un champ de vision apparent de 62 degrés et une conception quasi parfocale, ces oculaires offrent une valeur incroyable dans un très bel oculaire.","brand":"Explore Scientific","offers":[{"title":"Default Title","offer_id":44967199015197,"sku":"ES-EPWP6209LE-01","price":97.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Explore-Scientific-62-deg-9mm-Waterproof-Eyepiece-EPWP6209LE-01-1__49980.1594240340.1280.1280.jpg?v=1684338708"},{"product_id":"explore-scientific-62-14mm-waterproof-eyepiece-1-25","title":"Explore Scientific Oculaire 62° 14mm - 1.25\"","description":"\u003c!-- more --\u003e Explorez les oculaires étanches scientifiques - Confort, qualité, valeur. Les oculaires de la série Explore Scientific 62° sont d'excellents oculaires multi-éléments à champ plat qui peuvent transformer votre expérience d'astronomie visuelle. Avec un champ de vision apparent de 62 degrés et une conception quasi parfocale, ces oculaires offrent une valeur incroyable dans un très bel oculaire.","brand":"Explore Scientific","offers":[{"title":"Default Title","offer_id":44967199146269,"sku":"ES-EPWP6214LE-01","price":97.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Explore-Scientific-62-deg-14mm-Waterproof-Eyepiece-EPWP6214LE-01-1__65551.1594240340.1280.1280.jpg?v=1684338712"},{"product_id":"explore-scientific-62-20mm-waterproof-eyepiece-1-25","title":"Explore Scientific Oculaire 62° 20mm - 1.25\"","description":"\u003c!-- more --\u003eExplorez les oculaires étanches scientifiques - Confort, qualité, valeur. Les oculaires de la série Explore Scientific 62° sont d'excellents oculaires multi-éléments à champ plat qui peuvent transformer votre expérience d'astronomie visuelle. Avec un champ de vision apparent de 62 degrés et une conception quasi parfocale, ces oculaires offrent une valeur incroyable dans un très bel oculaire.","brand":"Explore Scientific","offers":[{"title":"Default Title","offer_id":44967199277341,"sku":"ES-EPWP6220LE-01","price":97.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Explore-Scientific-62-deg-20mm-Waterproof-Eyepiece-EPWP6220LE-01-1__99844.1594240341.1280.1280.jpg?v=1684338716"},{"product_id":"explore-scientific-62-5-5mm-waterproof-eyepiece-1-25","title":"Explore Scientific Oculaire 62° 5.5mm - 1.25\"","description":"\u003c!-- more --\u003e Explorez les oculaires étanches scientifiques - Confort, qualité, valeur. Les oculaires de la série Explore Scientific 62° sont d'excellents oculaires multi-éléments à champ plat qui peuvent transformer votre expérience d'astronomie visuelle. Avec un champ de vision apparent de 62 degrés et une conception quasi parfocale, ces oculaires offrent une valeur incroyable dans un très bel oculaire.","brand":"Explore Scientific","offers":[{"title":"Default Title","offer_id":44967199310109,"sku":"ES-EPWP6255LE-01","price":97.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Explore-Scientific-62-deg-5-5mm-Waterproof-Eyepiece-EPWP6255LE-01-1__41434.1594240341.1280.1280.jpg?v=1684338720"},{"product_id":"explore-scientific-62-26mm-waterproof-eyepiece-1-25","title":"Explore Scientific Oculaire 62° 26mm - 1.25\"","description":"\u003c!-- more --\u003eExplorez les oculaires étanches scientifiques - Confort, qualité, valeur. Les oculaires de la série Explore Scientific 62° sont d'excellents oculaires multi-éléments à champ plat qui peuvent transformer votre expérience d'astronomie visuelle. Avec un champ de vision apparent de 62 degrés et une conception quasi parfocale, ces oculaires offrent une valeur incroyable dans un très bel oculaire.","brand":"Explore Scientific","offers":[{"title":"Default Title","offer_id":44967199375645,"sku":"ES-EPWP6226LE-01","price":111.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Explore-Scientific-62-deg-26mm-Waterproof-Eyepiece-EPWP6226LE-01-1__08180.1594240342.1280.1280.jpg?v=1684338808"},{"product_id":"explore-scientific-62-32mm-waterproof-eyepiece-2","title":"Explore Scientific Oculaire 62° 32mm -2\"","description":"\u003c!-- more --\u003e Explorez les oculaires étanches scientifiques - Confort, qualité, valeur. Les oculaires de la série Explore Scientific 62° sont d'excellents oculaires multi-éléments à champ plat qui peuvent transformer votre expérience d'astronomie visuelle. Avec un champ de vision apparent de 62 degrés et une conception quasi parfocale, ces oculaires offrent une valeur incroyable dans un très bel oculaire.","brand":"Explore Scientific","offers":[{"title":"Default Title","offer_id":44967199408413,"sku":"ES-EPWP6232LE-01","price":167.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Explore-Scientific-62-deg-32mm-Waterproof-Eyepiece-EPWP6232LE-01-1__91541.1594240342.1280.1280.jpg?v=1684338812"},{"product_id":"explore-scientific-82-11mm-waterproof-eyepiece-1-25","title":"Explore Scientific Oculaire 82° 11mm - 1.25\"","description":"\u003c!-- more --\u003eL'oculaire étanche à l'argon de la série 11 mm 82 ° est une distance focale populaire dans la classe de grossissement de puissance moyenne supérieure offrant à la fois un champ apparent super large et un dégagement oculaire généreux. Il est parfait pour toute application où plus de puissance est souhaitée, y compris l'observation des amas d'étoiles globulaires, des nébuleuses planétaires, la structure des nuages ​​lumineux près du noyau des comètes, les observations initiales des planètes et (avec la filtration sûre appropriée sur votre télescope), les observations d'actifs régions du soleil. À utiliser avec les prolongateurs de focale Explore Scientific pour un grossissement de 2X, 3X ou 5X tout en maintenant le champ apparent natif de l'oculaire et le dégagement oculaire.","brand":"Explore Scientific","offers":[{"title":"Default Title","offer_id":44967199441181,"sku":"ES-EPWP8211-01","price":209.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Explore-Scientific-82-deg-11mm-Waterproof-Eyepiece-EPWP8211-01-1__63911.1594240342.1280.1280.jpg?v=1684338815"},{"product_id":"explore-scientific-82-14mm-waterproof-eyepiece-1-25","title":"Explore Scientific Oculaire 82° 14mm - 1.25\"","description":"\u003c!-- more --\u003eL'oculaire étanche à l'argon purgé de la série 14 mm 82 ° est une distance focale populaire dans la classe de grossissement de puissance moyenne supérieure offrant à la fois un champ apparent super large et un dégagement oculaire généreux. Il est parfait pour toute application où plus de puissance est souhaitée, y compris l'observation des amas d'étoiles globulaires, des nébuleuses planétaires, la structure des nuages ​​lumineux près du noyau des comètes, les observations initiales des planètes et (avec la filtration sûre appropriée sur votre télescope), les observations d'actifs régions du soleil. À utiliser avec les prolongateurs de focale Explore Scientific pour un grossissement de 2X, 3X ou 5X tout en maintenant le champ apparent natif de l'oculaire et le dégagement oculaire.","brand":"Explore Scientific","offers":[{"title":"Default Title","offer_id":44967199473949,"sku":"ES-EPWP8214-01","price":209.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Explore-Scientific-82-deg-14mm-Waterproof-Eyepiece-EPWP8214-01-1__26427.1594240343.1280.1280.jpg?v=1684338818"},{"product_id":"explore-scientific-62-40mm-waterproof-eyepiece-2","title":"Explore Scientific Oculaire 62° 40mm - 2\"","description":"\u003c!-- more --\u003e Explorez les oculaires étanches scientifiques - Confort, qualité, valeur. Les oculaires de la série Explore Scientific 62° sont d'excellents oculaires multi-éléments à champ plat qui peuvent transformer votre expérience d'astronomie visuelle. Avec un champ de vision apparent de 62 degrés et une conception quasi parfocale, ces oculaires offrent une valeur incroyable dans un très bel oculaire.","brand":"Explore Scientific","offers":[{"title":"Default Title","offer_id":44967199539485,"sku":"ES-EPWP6240LE-01","price":363.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Explore-Scientific-62-deg-40mm-Waterproof-Eyepiece-EPWP6240LE-01-1__41903.1594240344.1280.1280.jpg?v=1684338821"},{"product_id":"explore-scientific-82-4-5mm-ler-waterproof-eyepiece-1-25","title":"Explore Scientific Oculaire 82° 4.5mm LER - 1.25\"","description":"\u003c!-- more --\u003eAvec son dégagement oculaire particulièrement long de 15,9 mm, l'oculaire LER de 4,5 mm de la série 82° d'oculaires étanches purgés à l'argon d'Explore Scientific met l'accent sur une expérience visuelle confortable pour tous les observateurs. Un long dégagement oculaire est particulièrement important pour les porteurs de lunettes car il leur permet de profiter de tout le champ de vision.","brand":"Explore Scientific","offers":[{"title":"Default Title","offer_id":44967199572253,"sku":"ES-EPWP8245LE-01","price":209.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Explore-Scientific-4-5mm-82-deg-Series-LER-Waterproof-Eyepiece-EPWP8245LE-01-EPWP8245LE-01-1__18786.1594240345.1280.1280.jpg?v=1684338826"},{"product_id":"explore-scientific-82-6-5mm-ler-waterproof-eyepiece-1-25","title":"Explore Scientific Oculaire 82° 6.5mm LER - 1.25\"","description":"\u003c!-- more --\u003e Avec son dégagement oculaire impressionnant de 16,8 mm, l'oculaire LER de 6,5 mm de la série 82° d'oculaires étanches purgés à l'argon d'Explore Scientific met l'accent sur une expérience visuelle confortable pour tous les observateurs. Pour les porteurs de lunettes, un relief long est un must car il leur permet de profiter de tout le champ de vision.","brand":"Explore Scientific","offers":[{"title":"Default Title","offer_id":44967199670557,"sku":"ES-EPWP8265LE-01","price":209.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Explore-Scientific-6-5mm-82-deg-Series-LER-Waterproof-Eyepiece-EPWP8265LE-01-EPWP8265LE-01-1__47841.1594240345.1280.1280.jpg?v=1684338829"},{"product_id":"explore-scientific-82-8-5mm-ler-waterproof-eyepiece-1-25","title":"Explore Scientific Oculaire 82° 8.5mm LER - 1.25\"","description":"\u003c!-- more --\u003e Avec son long dégagement oculaire de 15 mm, l'oculaire LER de 8,5 mm de la série 82° d'oculaires étanches purgés à l'argon d'Explore Scientific met l'accent sur une expérience visuelle confortable pour tous les observateurs. Pour les porteurs de lunettes, un relief long est un must car il leur permet de profiter de tout le champ de vision.","brand":"Explore Scientific","offers":[{"title":"Default Title","offer_id":44967199703325,"sku":"ES-EPWP8285LE-01","price":209.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Explore-Scientific-8-5mm-82-deg-Series-LER-Waterproof-Eyepiece-EPWP8285LE-01-EPWP8285LE-01-1__73330.1594240345.1280.1280.jpg?v=1684338832"},{"product_id":"explore-scientific-82-18mm-waterproof-eyepiece-2","title":"Explore Scientific Oculaire 82° 18mm - 2\"","description":"\u003c!-- more --\u003eL'oculaire étanche à l'argon purgé de la série 18 mm 82 ° est une distance focale populaire dans la classe de grossissement de puissance moyenne supérieure offrant à la fois un champ apparent super large et un dégagement oculaire généreux. Il est parfait pour toute application où plus de puissance est souhaitée, y compris l'observation des amas d'étoiles globulaires, des nébuleuses planétaires, la structure des nuages ​​lumineux près du noyau des comètes, les observations initiales des planètes et (avec la filtration sûre appropriée sur votre télescope), les observations d'actifs régions du soleil. À utiliser avec les prolongateurs de focale Explore Scientific pour un grossissement de 2X, 3X ou 5X tout en maintenant le champ apparent natif de l'oculaire et le dégagement oculaire.","brand":"Explore Scientific","offers":[{"title":"Default Title","offer_id":44967199736093,"sku":"ES-EPWP8218-01","price":265.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Explore-Scientific-82-deg-18mm-Waterproof-Eyepiece-EPWP8218-01-1__78414.1594240346.1280.1280.jpg?v=1684338835"},{"product_id":"explore-scientific-82-24mm-waterproof-eyepiece-2","title":"Explore Scientific Oculaire 82° 24mm - 2\"","description":"\u003c!-- more --\u003eL'oculaire étanche à l'argon purgé de la série 24 mm 82 ° est une distance focale populaire dans la classe de grossissement de puissance moyenne supérieure offrant à la fois un champ apparent super large et un dégagement oculaire généreux. Il est parfait pour toute application où plus de puissance est souhaitée, y compris l'observation des amas d'étoiles globulaires, des nébuleuses planétaires, la structure des nuages ​​lumineux près du noyau des comètes, les observations initiales des planètes et (avec la filtration sûre appropriée sur votre télescope), les observations d'actifs régions du soleil. À utiliser avec les prolongateurs de focale Explore Scientific pour un grossissement de 2X, 3X ou 5X tout en maintenant le champ apparent natif de l'oculaire et le dégagement oculaire.","brand":"Explore Scientific","offers":[{"title":"Default Title","offer_id":44967199801629,"sku":"ES-EPWP8224-01","price":349.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Explore-Scientific-82-deg-24mm-Waterproof-Eyepiece-EPWP8224-01-1__66199.1594240346.1280.1280.jpg?v=1684338838"},{"product_id":"explore-scientific-82-30mm-waterproof-eyepiece-2","title":"Explore Scientific Oculaire 82° 30mm - 2\"","description":"\u003c!-- more --\u003e \u003cem\u003e\"Je viens d'acheter mon premier télescope ES après avoir possédé quelques oculaires ES fantastiques. J'ai les oculaires de 6,7 mm et 30 mm à 82 ° et ce sont mes choix préférés pour un champ large et une puissance élevée. Ils sont parfaitement adaptés à mon nouveau réfracteur ED127 mm.\u003c\/em\u003e -Greg McKay","brand":"Explore Scientific","offers":[{"title":"Default Title","offer_id":44967199834397,"sku":"ES-EPWP8230-01","price":419.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Explore-Scientific-82-deg-30mm-Waterproof-Eyepiece-EPWP8230-01-1__86975.1594240346.1280.1280.jpg?v=1684338841"},{"product_id":"explore-scientific-100-5-5mm-waterproof-eyepiece-2","title":"Explore Scientific Oculaire 100° 5.5mm - 2\"","description":"\u003c!-- more --\u003eDécouvrez les oculaires ultra-larges - Confort, qualité, valeur. Les oculaires de la série Explore Scientific 100° sont des oculaires de classe hyper large qui peuvent transformer votre expérience d'astronomie visuelle. Vous serez peut-être surpris par l'incroyable étendue de ciel noir d'encre que vous voyez la première fois que vous portez votre œil sur un oculaire de la série 100°, et après un certain temps, vous oublierez peut-être même que vous avez un oculaire entre vous et l'univers ! Avec un champ de vision apparent proche du maximum pour la conception d'oculaires hyper larges, les objets sont non seulement plus faciles à localiser, mais pour les télescopes non pilotés, l'objet restera dans le champ de vision pendant très longtemps avant tout réglage. besoin d'être fait.","brand":"Explore Scientific","offers":[{"title":"Default Title","offer_id":44967199867165,"sku":"ES-EPWP10055-01","price":419.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Explore-Scientific-100-deg-5-5mm-Waterproof-Eyepiece-EPWP10055-01-1__51525.1594240347.1280.1280.jpg?v=1684338724"},{"product_id":"explore-scientific-100-14mm-waterproof-eyepiece-2","title":"Explore Scientific Oculaire 100° 14mm - 2\"","description":"\u003c!-- more --\u003eDécouvrez les oculaires ultra-larges - Confort, qualité, valeur. Les oculaires de la série Explore Scientific 100° sont des oculaires de classe hyper large qui peuvent transformer votre expérience d'astronomie visuelle. Vous serez peut-être surpris par l'incroyable étendue de ciel noir d'encre que vous voyez la première fois que vous portez votre œil sur un oculaire de la série 100°, et après un certain temps, vous oublierez peut-être même que vous avez un oculaire entre vous et l'univers ! Avec un champ de vision apparent proche du maximum pour la conception d'oculaires hyper larges, les objets sont non seulement plus faciles à localiser, mais pour les télescopes non pilotés, l'objet restera dans le champ de vision pendant très longtemps avant tout réglage. besoin d'être fait.","brand":"Explore Scientific","offers":[{"title":"Default Title","offer_id":44967199899933,"sku":"ES-EPWP10014-01","price":489.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Explore-Scientific-100-deg-14mm-Waterproof-Eyepiece-EPWP10014-01-1__29146.1594240347.1280.1280.jpg?v=1684338728"},{"product_id":"explore-scientific-100-20mm-waterproof-eyepiece-2","title":"Explore Scientific Oculaire 100° 20mm - 2\"","description":"\u003c!-- more --\u003eDécouvrez les oculaires ultra-larges - Confort, qualité, valeur. Les oculaires de la série Explore Scientific 100° sont des oculaires de classe hyper large qui peuvent transformer votre expérience d'astronomie visuelle. Vous serez peut-être surpris par l'incroyable étendue de ciel noir d'encre que vous voyez la première fois que vous portez votre œil sur un oculaire de la série 100°, et après un certain temps, vous oublierez peut-être même que vous avez un oculaire entre vous et l'univers ! Avec un champ de vision apparent proche du maximum pour la conception d'oculaires hyper larges, les objets sont non seulement plus faciles à localiser, mais pour les télescopes non pilotés, l'objet restera dans le champ de vision pendant très longtemps avant tout réglage. besoin d'être fait.","brand":"Explore Scientific","offers":[{"title":"Default Title","offer_id":44967199932701,"sku":"ES-EPWP10020-01","price":699.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Explore-Scientific-100-deg-20mm-Waterproof-Eyepiece-EPWP10020-00-1__73534.1594240348.1280.1280.jpg?v=1684338732"},{"product_id":"explore-scientific-100-9mm-waterproof-eyepiece-2","title":"Explore Scientific Oculaire 100° 9mm - 2\"","description":"\u003c!-- more --\u003eDécouvrez les oculaires ultra-larges - Confort, qualité, valeur. Les oculaires de la série Explore Scientific 100° sont des oculaires de classe hyper large qui peuvent transformer votre expérience d'astronomie visuelle. Vous serez peut-être surpris par l'incroyable étendue de ciel noir d'encre que vous voyez la première fois que vous portez votre œil sur un oculaire de la série 100°, et après un certain temps, vous oublierez peut-être même que vous avez un oculaire entre vous et l'univers ! Avec un champ de vision apparent proche du maximum pour la conception d'oculaires hyper larges, les objets sont non seulement plus faciles à localiser, mais pour les télescopes non pilotés, l'objet restera dans le champ de vision pendant très longtemps avant tout réglage. besoin d'être fait.","brand":"Explore Scientific","offers":[{"title":"Default Title","offer_id":44967199965469,"sku":"ES-EPWP1009-01","price":419.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Explore-Scientific-100-deg-9mm-Waterproof-Eyepiece-EPWP1009-01-1__86753.1594240348.1280.1280.jpg?v=1684338735"},{"product_id":"explore-scientific-100-25mm-waterproof-eyepiece-2","title":"Explore Scientific Oculaire 100° 25mm - 2\"","description":"\u003c!-- more --\u003eDécouvrez les oculaires ultra-larges - Confort, qualité, valeur. Les oculaires de la série Explore Scientific 100° sont des oculaires de classe hyper large qui peuvent transformer votre expérience d'astronomie visuelle. Vous serez peut-être surpris par l'incroyable étendue de ciel noir d'encre que vous voyez la première fois que vous portez votre œil sur un oculaire de la série 100°, et après un certain temps, vous oublierez peut-être même que vous avez un oculaire entre vous et l'univers ! Avec un champ de vision apparent proche du maximum pour la conception d'oculaires hyper larges, les objets sont non seulement plus faciles à localiser, mais pour les télescopes non pilotés, l'objet restera dans le champ de vision pendant très longtemps avant tout réglage. besoin d'être fait.","brand":"Explore Scientific","offers":[{"title":"Default Title","offer_id":44967200031005,"sku":"ES-EPWP10025-01","price":1259.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Explore-Scientific-100-deg-25mm-Waterproof-Eyepiece-EPWP10025-01-1__75459.1594240348.1280.1280.jpg?v=1684338739"},{"product_id":"explore-scientific-100-30mm-waterproof-eyepiece-3","title":"Explore Scientific Oculaire 100° 30mm - 3\"","description":"\u003c!-- more --\u003eDécouvrez les oculaires ultra-larges - Confort, qualité, valeur. Les oculaires de la série Explore Scientific 100° sont des oculaires de classe hyper large qui peuvent transformer votre expérience d'astronomie visuelle. Vous serez peut-être surpris par l'incroyable étendue de ciel noir d'encre que vous voyez la première fois que vous portez votre œil sur un oculaire de la série 100°, et après un certain temps, vous oublierez peut-être même que vous avez un oculaire entre vous et l'univers ! Avec un champ de vision apparent proche du maximum pour la conception d'oculaires hyper larges, les objets sont non seulement plus faciles à localiser, mais pour les télescopes non pilotés, l'objet restera dans le champ de vision pendant très longtemps avant tout réglage. besoin d'être fait.","brand":"Explore Scientific","offers":[{"title":"Default Title","offer_id":44967200063773,"sku":"ES-EPWP10030-01","price":1763.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Explore-Scientific-100-deg-3-inch-30mm-Waterproof-Eyepiece-EPWP10030-01-1__58126.1594240349.1280.1280.jpg?v=1684338742"},{"product_id":"explore-scientific-120-9mm-waterproof-eyepiece-2","title":"Explore Scientific Oculaire 120° 9mm -2\"","description":"\u003c!-- more --\u003eL'oculaire de la série Explore Scientific 9 mm 120° est vraiment dans une classe à part. Le champ de vision apparent de 120° ne ressemble à rien de ce que vous avez connu auparavant. Normalement, lorsque nous regardons à travers des oculaires à champ hyper large, nous voyons une immense bande de ciel nocturne à faible grossissement. Avec le 9 mm 120°, cependant, vous voyez encore plus de biens immobiliers universels, mais vous voyez également l'attraction principale, qu'il s'agisse d'une nébuleuse, d'une galaxie ou d'un amas d'étoiles, de près et personnel. À notre avis, c'est le meilleur des deux mondes.","brand":"Explore Scientific","offers":[{"title":"Default Title","offer_id":44967200096541,"sku":"ES-EPWP12009-01","price":1259.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Explore-Scientific-120-deg-9mm-Waterproof-Eyepiece-EPWP12009-01-1__69377.1594240349.1280.1280.jpg?v=1684338745"},{"product_id":"explore-scientific-52-3mm-waterproof-eyepiece-1-25","title":"Explore Scientific Oculaire 52° 3mm - 1.25\"","description":"\u003c!-- more --\u003e Une nouvelle distance focale rejoint la gamme Explore Scientific d'oculaires étanches purgés au gaz inerte avec l'oculaire de la série 3 mm 52°. Compagnon logique du \"grab-and-go\" ED80mm f\/6 Air-Spaced Triplet, cet oculaire produit 160X qui fonctionnera très bien avec de bonnes conditions de vision. Sur l'ED152 à f\/8, 405X est atteint sans l'utilisation d'un prolongateur focal ou d'un Barlow pour les nuits de vision presque parfaite, avec un dégagement oculaire très confortable de 15 mm.","brand":"Explore Scientific","offers":[{"title":"Default Title","offer_id":44967200129309,"sku":"ES-EPWP5203-01","price":97.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Explore-Scientific-3mm-52-deg-Series-Waterproof-Eyepiece-EPWP5203-01-1__92046.1594240349.1280.1280.jpg?v=1684338750"},{"product_id":"explore-scientific-52-10mm-waterproof-eyepiece-1-25","title":"Explore Scientific Oculaire 52° 10mm - 1.25\"","description":"\u003c!-- more --\u003eLes oculaires à ou près de la plage de 10 mm sont souvent considérés comme une distance focale obligatoire dans votre collection, car cette plage de distance focale est le point de départ des oculaires de puissance moyenne pour la plupart des télescopes pour les astronomes amateurs. Les objets du ciel profond plus faibles qui n'ont pas la luminosité inhérente à observer à des puissances plus élevées sont souvent parfaits pour un 10 mm. Explorez les oculaires étanches scientifiques - Confort, qualité, valeur. Les oculaires Explore Scientific 52° Series„¢ sont d'excellents oculaires multi-éléments à champ plat qui peuvent transformer votre expérience d'astronomie visuelle. Avec un champ de vision apparent de 52 degrés, ces oculaires offrent une valeur incroyable dans un très bel oculaire. Attendez-vous à une qualité et une valeur exceptionnelles par rapport à un Plossl à prix comparable.","brand":"Explore Scientific","offers":[{"title":"Default Title","offer_id":44967200162077,"sku":"ES-EPWP5210-01","price":97.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Explore-Scientific-10mm-52-deg-Series-Waterproof-Eyepiece-EPWP5210-01-1__02175.1594240350.1280.1280.jpg?v=1684338755"},{"product_id":"explore-scientific-52-15mm-waterproof-eyepiece-1-25","title":"Explore Scientific Oculaire 52° 15mm - 1.25\"","description":"\u003c!-- more --\u003eSolidement dans la plage de grossissement moyen pour la plupart des télescopes amateurs, le 15 mm est un véritable bourreau de travail pour les observateurs visuels. Si vous aimez l'observation du ciel profond, les oculaires de cette plage de focales offrent non seulement des augmentations saines du grossissement, mais l'amélioration du contraste en donnant un fond de ciel plus sombre peut faire toute la différence dans l'apparence des galaxies et des nébuleuses sous le ciel de banlieue.","brand":"Explore Scientific","offers":[{"title":"Default Title","offer_id":44967200227613,"sku":"ES-EPWP5215-01","price":97.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Explore-Scientific-52-deg-15mm-Waterproof-Eyepiece-EPWP5215-01-1__87791.1594240350.1280.1280.jpg?v=1684338760"},{"product_id":"explore-scientific-52-20mm-waterproof-eyepiece-1-25","title":"Explore Scientific Oculaire 52° 20mm - 1.25\"","description":"\u003c!-- more --\u003e Souvent considéré comme la distance focale moyenne parfaite pour la plupart des télescopes amateurs, le 20 mm de l'ED127 à f7,5 produit un champ de vision réel de 1 degré. Parfait pour le marathon Messier ou pour parcourir le catalogue Herschel. La série 20 mm 52° est également un bon choix pour la plupart des têtes binoculaires avec sa taille et sa plage de grossissement relativement petites.","brand":"Explore Scientific","offers":[{"title":"Default Title","offer_id":44967200293149,"sku":"ES-EPWP5220-01","price":97.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Explore-Scientific-20mm-52-deg-Series-Waterproof-Eyepiece-EPWP5220-01-1__67213.1594240351.1280.1280.jpg?v=1684338766"},{"product_id":"explore-scientific-52-25mm-waterproof-eyepiece-1-25","title":"Explore Scientific Oculaire 52° 25mm - 1.25\"","description":"\u003c!-- more --\u003eLongtemps considéré comme l'oculaire \"standard\" souvent fourni avec les télescopes vendus par divers fournisseurs, la catégorie de focale de 25 mm est peut-être l'oculaire le plus utilisé au monde. Comme le 20 mm, ces oculaires sont parfaits pour les appareils binoculaires, et le 25 mm est probablement la plus longue distance focale des oculaires de moyenne puissance avant d'entrer dans des distances focales plus longues.","brand":"Explore Scientific","offers":[{"title":"Default Title","offer_id":44967200325917,"sku":"ES-EPWP5225-01","price":111.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Explore-Scientific-25mm-52-deg-Series-Waterproof-Eyepiece-EPWP5225-01-1__63744.1594240352.1280.1280.jpg?v=1684338771"},{"product_id":"explore-scientific-52-30mm-waterproof-eyepiece-1-25","title":"Explore Scientific Oculaire 52° 30mm - 1.25\"","description":"\u003c!-- more --\u003e Apprécié des observateurs du ciel profond, un oculaire de 30 mm de distance focale produit une grande pupille de sortie qui inonde votre œil dilaté de lumière, ce qui est nécessaire pour voir les galaxies et les nébuleuses faibles. Les oculaires à faible puissance sont très importants pour les observateurs pour diverses raisons : leur large champ de vision réel facilite la localisation et le pointage des objets. ; De nombreux objets du ciel profond sont grands et sont mieux vus aux grossissements les plus bas que votre combinaison télescope\/oculaire peut atteindre. Lorsque les conditions de vision sont médiocres, les objets auront souvent l'air nets à faible puissance.","brand":"Explore Scientific","offers":[{"title":"Default Title","offer_id":44967200358685,"sku":"ES-EPWP5230-01","price":139.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Explore-Scientific-30mm-52-deg-Series-Waterproof-Eyepiece-EPWP5230-01-1__12318.1594240352.1280.1280.jpg?v=1684338847"},{"product_id":"explore-scientific-52-40mm-waterproof-eyepiece-2","title":"Explore Scientific Oculaire 52° 40mm - 2\"","description":"\u003c!-- more --\u003eLa plus longue distance focale de la série 52° avec le dégagement oculaire le plus long, le 40 mm est également le seul oculaire OD de 2,0 pouces de cette série. Explore Scientific a maintenant trois oculaires de 40 mm dans sa collection, les deux autres sont la série 40 mm 62° et la série 40 mm 68°. A cette distance focale, cet oculaire est généralement réservé aux observateurs du ciel profond qui se mettent au défi d'observer près de la plus faible limite observable de leurs télescopes. L'énorme champ de vision réel est parfait pour les objets du ciel profond comme la galaxie d'Andromède, la nébuleuse de la Rosette, ainsi que les grands amas d'étoiles et les comètes.","brand":"Explore Scientific","offers":[{"title":"Default Title","offer_id":44967200424221,"sku":"ES-EPWP5240-01","price":209.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Explore-Scientific-40mm-52-deg-Series-Waterproof-Eyepiece-EPWP5240-01-1__01847.1594240353.1280.1280.jpg?v=1684338853"},{"product_id":"explore-scientific-52-4-5mm-waterproof-eyepiece-1-25","title":"Explore Scientific Oculaire 52° 4.5mm - 1.25\"","description":"\u003c!-- more --\u003eLes oculaires de grande puissance (par exemple 3 mm à 10 mm) sont utilisés non seulement pour les observations évidentes de planètes et d'étoiles doubles, mais peuvent également être utilisés pour des objets brillants et compacts du ciel profond. Non seulement l'échelle d'un objet comme une nébuleuse planétaire ou un amas globulaire sera impressionnante car il remplit le FOV de l'oculaire, mais le ciel de fond sera très sombre car l'effet de contraste augmente avec le grossissement supplémentaire, à condition que les conditions de vision atmosphérique soient suffisamment favorables pour révéler une image nette. Le 4,5 mm est un choix populaire pour une grande variété de télescopes, produisant certaines des vues de grossissement les plus élevées que la plupart des astronomes observeront.","brand":"Explore Scientific","offers":[{"title":"Default Title","offer_id":44967200456989,"sku":"ES-EPWP5245-01","price":97.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Explore-Scientific-4-5mm-52-deg-Series-Waterproof-Eyepiece-EPWP5245-01-1__17085.1594240354.1280.1280.jpg?v=1684338858"},{"product_id":"explore-scientific-52-6-5mm-waterproof-eyepiece-1-25","title":"Explore Scientific Oculaire 52° 6.5mm - 1.25\"","description":"\u003c!-- more --\u003eLes oculaires haute puissance de milieu de gamme comme le 6,5 mm sont essentiels lors de la transition entre les grossissements pour observer un objet jusqu'à ce qu'il soit mieux vu. Il y a plusieurs aspects qui doivent être réunis lors de l'observation à des puissances élevées : des conditions de vision atmosphérique bonnes à parfaites ; des optiques de télescope qui sont collimatées ; un télescope acclimaté à la température ambiante ; la luminosité et la taille de l'objet observé ne sont que quelques aspects à prendre en compte. Les défis d'observation sont élevés, mais les récompenses de l'observation à haute puissance avec des vues d'une netteté remarquable sont inoubliables.","brand":"Explore Scientific","offers":[{"title":"Default Title","offer_id":44967200489757,"sku":"ES-EPWP5265-01","price":97.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Explore-Scientific-52-deg-6-5mm-Waterproof-Eyepiece-EPWP5265-01-1__17455.1594240354.1280.1280.jpg?v=1684338863"},{"product_id":"explore-scientific-68-20mm-waterproof-eyepiece-1-25","title":"Explore Scientific Oculaire 68° 20mm - 1.25\"","description":"\u003c!-- more --\u003eUtilisant une conception informatique avancée, des combinaisons de verres optiques à faible dispersion et à indice de réfraction élevé et des revêtements de dépôt multicouches durables, les oculaires à champ extrêmement large étanches à l'argon de la série Explore Scientific 62 ° sont optimisés pour produire un contraste élevé, une haute résolution et des caractéristiques de champ plat supérieures . L'effet visuel de ces oculaires avec leur long dégagement oculaire et leur champ apparent de 68° est une véritable expérience d'immersion totale. Les oculaires de la série 62 ° sont parfocaux (ce qui signifie qu'ils se concentrent à peu près au même point quelle que soit la distance focale que vous sélectionnez) et sont livrés avec un œilleton en caoutchouc de silicone souple amovible et pliable pour le confort de l'observateur, et comme le savent les astronomes expérimentés, le confort des yeux est critique lorsque vous essayez d'observer aux limites visuelles du télescope.","brand":"Explore Scientific","offers":[{"title":"Default Title","offer_id":44967200522525,"sku":"ES-EPWP6820-01","price":153.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Explore-Scientific-68-deg-20mm-Waterproof-Eyepiece-EPWP6820-01-1__68888.1594240354.1280.1280.jpg?v=1684338866"},{"product_id":"explore-scientific-68-24mm-waterproof-eyepiece-1-25","title":"Explore Scientific Oculaire 68° 24mm - 1.25\"","description":"\u003c!-- more --\u003eUtilisant une conception informatique avancée, des combinaisons de verres optiques à faible dispersion et à indice de réfraction élevé et des revêtements de dépôt multicouches durables, les oculaires à champ extrêmement large étanches à l'argon de la série Explore Scientific 68 ° sont optimisés pour produire un contraste élevé, une haute résolution et des caractéristiques de champ plat supérieures . L'effet visuel de ces oculaires avec leur long dégagement oculaire et leur champ apparent de 68° est une véritable expérience d'immersion totale. Les oculaires de la série 68 ° sont parfocaux (ce qui signifie qu'ils se concentrent à peu près au même point quelle que soit la distance focale que vous sélectionnez) et sont livrés avec un œilleton en caoutchouc de silicone souple amovible et pliable pour le confort de l'observateur, et comme le savent les astronomes expérimentés, le confort des yeux est critique lorsque vous essayez d'observer aux limites visuelles du télescope.","brand":"Explore Scientific","offers":[{"title":"Default Title","offer_id":44967200555293,"sku":"ES-EPWP6824-01","price":153.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Explore-Scientific-68-deg-24mm-Waterproof-Eyepiece-EPWP6824-01-1__76659.1647796027.1280.1280.jpg?v=1684338869"},{"product_id":"explore-scientific-68-28mm-waterproof-eyepiece-2","title":"Explore Scientific Oculaire 68° 28mm - 2\"","description":"\u003c!-- more --\u003eUtilisant une conception informatique avancée, des combinaisons de verres optiques à faible dispersion et à indice de réfraction élevé et des revêtements de dépôt multicouches durables, les oculaires à champ extrêmement large étanches à l'argon de la série Explore Scientific 62 ° sont optimisés pour produire un contraste élevé, une haute résolution et des caractéristiques de champ plat supérieures . L'effet visuel de ces oculaires avec leur long dégagement oculaire et leur champ apparent de 68° est une véritable expérience d'immersion totale. Les oculaires de la série 62 ° sont parfocaux (ce qui signifie qu'ils se concentrent à peu près au même point quelle que soit la distance focale que vous sélectionnez) et sont livrés avec un œilleton en caoutchouc de silicone souple amovible et pliable pour le confort de l'observateur, et comme le savent les astronomes expérimentés, le confort des yeux est critique lorsque vous essayez d'observer aux limites visuelles du télescope.","brand":"Explore Scientific","offers":[{"title":"Default Title","offer_id":44967200588061,"sku":"ES-EPWP6828-01","price":237.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Explore-Scientific-68-deg-28mm-Waterproof-Eyepiece-EPWP6828-01-1__36888.1594240355.1280.1280.jpg?v=1684338872"},{"product_id":"explore-scientific-68-34mm-waterproof-eyepiece-2","title":"Explore Scientific Oculaire 68° 34mm - 2\"","description":"\u003c!-- more --\u003eUtilisant une conception informatique avancée, des combinaisons de verres optiques à faible dispersion et à indice de réfraction élevé et des revêtements de dépôt multicouches durables, les oculaires à champ extrêmement large étanches à l'argon de la série Explore Scientific 62 ° sont optimisés pour produire un contraste élevé, une haute résolution et des caractéristiques de champ plat supérieures . L'effet visuel de ces oculaires avec leur long dégagement oculaire et leur champ apparent de 68° est une véritable expérience d'immersion totale. Les oculaires de la série 62 ° sont parfocaux (ce qui signifie qu'ils se concentrent à peu près au même point quelle que soit la distance focale que vous sélectionnez) et sont livrés avec un œilleton en caoutchouc de silicone souple amovible et pliable pour le confort de l'observateur, et comme le savent les astronomes expérimentés, le confort des yeux est critique lorsque vous essayez d'observer aux limites visuelles du télescope.","brand":"Explore Scientific","offers":[{"title":"Default Title","offer_id":44967200620829,"sku":"ES-EPWP6834-01","price":307.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Explore-Scientific-68-deg-34mm-Waterproof-Eyepiece-EPWP6834-01-1__90379.1594240355.1280.1280.jpg?v=1684338875"},{"product_id":"explore-scientific-68-40mm-waterproof-eyepiece-2","title":"Explore Scientific Oculaire 68° 40mm - 2\"","description":"\u003c!-- more --\u003eUtilisant une conception informatique avancée, des combinaisons de verres optiques à faible dispersion et à indice de réfraction élevé et des revêtements de dépôt multicouches durables, les oculaires à champ extrêmement large étanches à l'argon de la série Explore Scientific 62 ° sont optimisés pour produire un contraste élevé, une haute résolution et des caractéristiques de champ plat supérieures . L'effet visuel de ces oculaires avec leur long dégagement oculaire et leur champ apparent de 68° est une véritable expérience d'immersion totale. Les oculaires de la série 62 ° sont parfocaux (ce qui signifie qu'ils se concentrent à peu près au même point quelle que soit la distance focale que vous sélectionnez) et sont livrés avec un œilleton en caoutchouc de silicone souple amovible et pliable pour le confort de l'observateur, et comme le savent les astronomes expérimentés, le confort des yeux est critique lorsque vous essayez d'observer aux limites visuelles du télescope.","brand":"Explore Scientific","offers":[{"title":"Default Title","offer_id":44967200653597,"sku":"ES-EPWP6840-01","price":433.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Explore-Scientific-68-deg-40mm-Waterproof-Eyepiece-EPWP6840-01-1__53001.1594240356.1280.1280.jpg?v=1684338878"},{"product_id":"explore-scientific-92-12mm-long-eye-relief-waterproof-eyepiece-2","title":"Explore Scientific Oculaire 92° 12mm LER - 2\"","description":"\u003c!-- more --\u003eDécouvrez les oculaires ultra-larges - Confort, qualité, valeur. Les oculaires de la série Explore Scientific 92° sont des oculaires de classe hyper large qui peuvent transformer votre expérience d'astronomie visuelle. Vous serez peut-être surpris par l'incroyable étendue de ciel noir d'encre que vous voyez la première fois que vous portez votre œil sur un oculaire de la série 92°, et après un certain temps, vous oublierez peut-être même que vous avez un oculaire entre vous et l'univers ! Avec un champ de vision apparent proche du maximum pour la conception d'oculaires hyper larges, les objets sont non seulement plus faciles à localiser, mais pour les télescopes non pilotés, l'objet restera dans le champ de vision pendant très longtemps avant tout réglage. besoin d'être fait.","brand":"Explore Scientific","offers":[{"title":"Default Title","offer_id":44967202259229,"sku":"ES-EPWP9212-01","price":433.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Explore-Scientific-92-deg-12mm-Long-Eye-Relief-Waterproof-Eyepiece-EPWP9212-01-1__04558.1594240356.1280.1280.jpg?v=1684338774"},{"product_id":"explore-scientific-92-17mm-long-eye-relief-waterproof-eyepiece-2","title":"Explore Scientific Oculaire 92° 17mm LER - 2\"","description":"\u003c!-- more --\u003eDécouvrez les oculaires ultra-larges - Confort, qualité, valeur. Les oculaires de la série Explore Scientific 92° sont des oculaires de classe hyper large qui peuvent transformer votre expérience d'astronomie visuelle. Vous serez peut-être surpris par l'incroyable étendue de ciel noir d'encre que vous voyez la première fois que vous portez votre œil sur un oculaire de la série 92°, et après un certain temps, vous oublierez peut-être même que vous avez un oculaire entre vous et l'univers ! Avec un champ de vision apparent proche du maximum pour la conception d'oculaires hyper larges, les objets sont non seulement plus faciles à localiser, mais pour les télescopes non pilotés, l'objet restera dans le champ de vision pendant très longtemps avant tout réglage. besoin d'être fait.","brand":"Explore Scientific","offers":[{"title":"Default Title","offer_id":44967202291997,"sku":"ES-EPWP9217-01","price":517.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Explore-Scientific-92-deg-17mm-Long-Eye-Relief-Waterproof-Eyepiece-EPWP9217-01-1__97519.1594240356.1280.1280.jpg?v=1684338778"},{"product_id":"explore-scientific-68-16mm-waterproof-eyepiece-1-25","title":"Oculaire étanche Explore Scientific 68° 16 mm - 1,25\"","description":"\u003c!-- more --\u003e \u003cp\u003eUtilisant une conception informatique avancée, des combinaisons de verres optiques à faible dispersion et à indice de réfraction élevé et des revêtements de dépôt multicouches durables, les oculaires à champ extrêmement large étanches à l'argon de la série Explore Scientific 68 ° sont optimisés pour produire un contraste élevé, une haute résolution et des caractéristiques de champ plat supérieures . L'effet visuel de ces oculaires avec leur long dégagement oculaire et leur champ apparent de 68° est une véritable expérience d'immersion totale. Les oculaires de la série 68 ° sont parfocaux (ce qui signifie qu'ils se concentrent à peu près au même point quelle que soit la distance focale que vous sélectionnez) et sont livrés avec un œilleton en caoutchouc de silicone souple amovible et pliable pour le confort de l'observateur, et comme le savent les astronomes expérimentés, le confort des yeux est critique lorsque vous essayez d'observer aux limites visuelles du télescope.\u003c\/p\u003e\n\u003cp\u003e Protection contre l'extérieur - En rendant le corps de l'oculaire purgé à l'argon, les éléments internes de l'oculaire étanche resteront aussi intacts que le jour où ils ont été assemblés.\u003c\/p\u003e \u003cp\u003eLes atomes d'argon sont plus gros que ceux de l'azote et sont donc moins susceptibles de fuir ou de se propager à travers les joints pendant la durée de vie de l'oculaire. Le rayon atomique de l'argon est plus grand que celui de l'azote de 0,13 angström et a un volume atomique plus grand de 11,2 centimètres cubes\/molécule. L'argon a également une inertie supérieure à l'azote (c'est-à-dire qu'il forme peu ou pas de composés chimiques avec d'autres éléments) qui empêche les réactions indésirables avec les composants de l'oculaire et prolonge ainsi la longévité des composants internes, et empêche également les réactions chimiques avec d'autres contaminants élémentaires qui peuvent être introduits par un joint affaibli. Et, enfin, parce que l'argon est moins conducteur de chaleur que l'azote, l'argon se refroidit plus lentement, atténuant ainsi les effets des changements rapides de température de l'optique.\u003c\/p\u003e \u003cp\u003eL'environnement scellé et sec est imperméable à la buée interne et aux contaminants tels que les champignons qui se développent entre les lentilles. Notre oculaire étanche est plus facile à nettoyer et il n'y a aucun risque que la solution de nettoyage migre du haut de l'objectif et s'infiltre autour des bords pour être emprisonnée entre les éléments. Pour assurer une étanchéité parfaite, nous testons chaque oculaire dans un mètre d'eau pendant 30 minutes.\u003c\/p\u003e","brand":"Explore Scientific","offers":[{"title":"Default Title","offer_id":44968076476701,"sku":"ES-EPWP6816-01","price":153.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Explore-Scientific-68-16mm__95451.1681244116.1280.1280.jpg?v=1684348756"},{"product_id":"explore-scientific-epwp7240ed-01","title":"Explore Scientific 72° ED 40mm Waterproof Eyepiece","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e40mm Focal Length\u003c\/li\u003e\n\u003cli\u003e72° Apparent Field of View\u003c\/li\u003e\n\u003cli\u003e2-Inch Barrel Diameter\u003c\/li\u003e\n\u003cli\u003eExtra-Low Dispersion (ED) Glass\u003c\/li\u003e\n\u003cli\u003eWaterproof and Gas-Purged Construction\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eExplore Scientific 72° ED 40mm Waterproof Eyepiece\u003c\/h2\u003e\n\u003cp\u003eThe Explore Scientific 72° ED 40mm Waterproof Eyepiece combines a massive 40mm focal length with an immersive 72° apparent field in a 2-inch barrel to deliver the widest possible true field of view in its series. This 40mm, 72° design is engineered to frame the largest deep-sky objects, leveraging its 2-inch format for expansive, low-magnification sweeps of the night sky.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eThe 72° Apparent Field: Framing the Largest Celestial Objects\u003c\/h3\u003e\n\u003cp\u003eWith a 40mm focal length and a 72° apparent field, this eyepiece is built for one purpose: maximizing your true field of view. It provides an immersive, \"spacewalk\" perspective that allows you to take in entire star fields and vast deep-sky objects like the Andromeda Galaxy (M31) or the North American Nebula (NGC 7000) in a single, well-framed view. For owners of long focal-length telescopes like Schmidt-Cassegrains or Maksutovs, this eyepiece serves as the ultimate finder and low-power scanning tool.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003e40mm of ED Glass: High-Contrast, Color-Pure Views\u003c\/h3\u003e\n\u003cp\u003eAt the low magnifications produced by a 40mm eyepiece, controlling chromatic aberration is critical for a clean image. This eyepiece uses Extra-Low Dispersion (ED) glass to minimize color fringing, ensuring bright stars resolve to sharp points without distracting purple or blue halos. This superior color correction results in a higher-contrast view with a dark sky background, making faint nebulosity and galactic structure easier to detect.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eWaterproof 2-Inch Design for All-Weather Observing\u003c\/h3\u003e\n\u003cp\u003eBuilt for real-world observing conditions, the eyepiece is fully waterproof and gas-purged. This construction prevents internal fogging during nights with heavy dew and protects the internal lens surfaces from dust and fungus over the long term. The robust 2-inch barrel provides a secure connection to your focuser, essential for supporting an eyepiece of this class.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eExplore Scientific 72° 40mm vs. TeleVue Panoptic 41mm: Field and Correction\u003c\/h3\u003e\n\u003cp\u003eWhen choosing a low-power, 2-inch eyepiece, a key comparison is with the TeleVue Panoptic 41mm. While both eyepieces aim to maximize the true field of view, they take different design approaches.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTeleVue Panoptic 41mm Advantage:\u003c\/strong\u003e The Panoptic uses a 46mm field stop, the maximum physically possible in a 2-inch barrel. This gives it the largest possible true field of view, even though its apparent field is a narrower 68°. It is renowned for its exceptional edge-of-field correction, even in fast telescopes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExplore Scientific 72° 40mm Advantage:\u003c\/strong\u003e This eyepiece delivers a wider, more immersive 72° apparent field of view. For observers who prioritize the \"spacewalk\" feeling over the absolute maximum true field, the wider apparent field can provide a more engaging visual experience. The use of ED glass is also a specific design choice aimed at maximizing contrast and color purity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the primary use for the Explore Scientific 72° ED 40mm eyepiece?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThis eyepiece is designed for \u003cstrong\u003elow-magnification, wide-field observing\u003c\/strong\u003e. Its main purpose is to act as a \"finder\" eyepiece for locating objects and for viewing very large celestial targets like the entire Veil Nebula complex, the Andromeda Galaxy (M31), or sweeping through the Milky Way's star clouds.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow will the 72° ED 40mm eyepiece perform in my 8-inch f\/10 SCT?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eIt's an excellent match. In a typical 8\" f\/10 SCT with a 2000mm focal length, this eyepiece provides 50x magnification and a 4mm exit pupil, which is ideal for comfortable, bright views of deep-sky objects. It will deliver the widest possible true field of view your telescope can achieve, turning it into a capable instrument for scanning rich star fields.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the 72° ED 40mm eyepiece a good choice for my f\/4.5 Dobsonian?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eIt can be, but there is a trade-off. In a fast f\/4.5 telescope, this 40mm eyepiece produces a very large 8.9mm exit pupil. Since the human eye can typically only dilate to about 7mm, some of the telescope's light-gathering capability will be lost. You may also see the shadow of your telescope's secondary mirror in the center of the view. It is generally better suited for telescopes of f\/6 or slower.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat does \"waterproof\" mean for an eyepiece like the 72° ED 40mm?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eA waterproof eyepiece is sealed with O-rings and purged with an inert gas (like argon or nitrogen). This has two key benefits:\n\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIt prevents moisture from getting inside the eyepiece on dewy nights, stopping internal fogging.\u003c\/li\u003e\n\u003cli\u003eIt keeps dust, pollen, and fungus from contaminating the internal lens elements, ensuring a lifetime of clear views.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhy would I choose the 72° ED 40mm eyepiece over a 32mm Plössl?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eWhile a 32mm Plössl is an excellent 1.25-inch eyepiece that also provides a wide true field, the \u003cstrong\u003eExplore Scientific 72° ED 40mm\u003c\/strong\u003e operates in a different class. It uses a 2-inch barrel to provide an even wider true field of view, lower magnification, and a more immersive 72° apparent field compared to the Plössl's ~50°. The ED glass also provides superior color correction.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use filters with the Explore Scientific 72° ED 40mm eyepiece?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. The 2-inch barrel is threaded to accept standard 2-inch (48mm) astronomy filters. This eyepiece is an excellent candidate for use with nebula filters like an O-III or UHC filter when observing targets like the Orion Nebula (M42) or the Lagoon Nebula (M8), as the low magnification and bright image help offset the dimming effect of the filter.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Length\u003c\/td\u003e\n\u003ctd\u003e40mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApparent Field of View\u003c\/td\u003e\n\u003ctd\u003e72°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBarrel Size\u003c\/td\u003e\n\u003ctd\u003e2-inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLens Elements\u003c\/td\u003e\n\u003ctd\u003eExtra-Low Dispersion (ED) Glass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConstruction\u003c\/td\u003e\n\u003ctd\u003eWaterproof, Gas-Purged\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/davidastro.com\/pages\/explore-scientific-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eExplore Scientific Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Explore Scientific","offers":[{"title":"Default Title","offer_id":52909340000541,"sku":"ES-EPWP7240ED-01","price":630.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/ExploreScientific-72-ED-Series-40mm-Waterproof-Eyepiece-1_6b083fee-1c99-4b34-8c00-8c8eb5180814.jpg?v=1789061321"},{"product_id":"explore-scientific-epwp7230ed-01","title":"Explore Scientific 72° ED Series 30mm Waterproof Eyepiece","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e30mm Focal Length\u003c\/li\u003e\n\u003cli\u003e72° Apparent Field of View\u003c\/li\u003e\n\u003cli\u003e2-inch Barrel Diameter\u003c\/li\u003e\n\u003cli\u003eExtra-Low Dispersion (ED) Glass\u003c\/li\u003e\n\u003cli\u003eWaterproof and Gas-Purged Construction\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eExplore Scientific 72° ED Series 30mm Waterproof Eyepiece\u003c\/h2\u003e\n\u003cp\u003eThe Explore Scientific 72° ED 30mm eyepiece leverages a 2-inch barrel to deliver an expansive 72° apparent field of view at a low-power 30mm focal length. This combination is engineered to produce the widest possible true field for sweeping large star fields and framing entire deep-sky objects that are too large for higher-magnification eyepieces.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eA 72° Field Corrected with ED Glass\u003c\/h3\u003e\n\u003cp\u003eThe eyepiece's 72° apparent field creates a significant immersive effect, removing the sense of looking through a narrow tube. To maintain sharpness across this wide view, the optical design incorporates Extra-Low Dispersion (ED) glass. This high-grade material minimizes chromatic aberration, ensuring stars remain tight points of light and bright objects like Jupiter or the lunar limb are free of distracting color fringing, even at the edge of the field.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eThe 30mm Low-Power, Waterproof Design\u003c\/h3\u003e\n\u003cp\u003eWith its 30mm focal length, this eyepiece provides very low magnification, making it ideal for locating objects and observing large-scale structures like the North American Nebula (NGC 7000) or the full extent of the Andromeda Galaxy (M31). The fully waterproof and gas-purged body prevents internal fogging and protects the coatings from dew, ensuring reliability during long nights in humid conditions. The design also incorporates long eye relief for comfortable viewing, even with eyeglasses.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eExplore Scientific 72° 30mm vs. a Standard 32mm Plössl\u003c\/h3\u003e\n\u003cp\u003eWhile a standard 32mm Plössl is a reliable low-power eyepiece, its view is constrained by a narrower 50-52° apparent field. The Explore Scientific 72° ED 30mm offers a distinct advantage for wide-field observing.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eField of View:\u003c\/strong\u003e The 72° field of the Explore Scientific eyepiece provides a significantly larger and more immersive window into the sky compared to the Plössl's restricted view at a similar magnification.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptical Correction:\u003c\/strong\u003e The inclusion of ED glass gives the 72° eyepiece an edge in controlling chromatic aberration, resulting in higher contrast and sharper stars across the field.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuild:\u003c\/strong\u003e A standard Plössl is rarely waterproof. The sealed, gas-purged construction of the 72° ED 30mm makes it a far more robust choice for observers who frequently deal with dew.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the Explore Scientific 72° 30mm eyepiece perform in an f\/10 SCT on the Andromeda Galaxy (M31)?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThis eyepiece is an excellent match for an f\/10 SCT. It will provide low magnification that allows you to frame the entire core and spiral arms of the Andromeda Galaxy (M31) in a single field of view, something impossible with standard, higher-power eyepieces. The ED glass ensures the dense star field remains sharp across the entire 72° view.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the 72° ED 30mm eyepiece a good choice for my fast f\/4.5 Dobsonian?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eIt can be, but there is a trade-off. In an f\/4.5 telescope, this 30mm eyepiece produces a very large 6.7mm exit pupil. While this delivers a bright image, it may be larger than your eye's pupil, causing some light loss and potentially revealing the shadow of the telescope's secondary mirror. However, for sweeping the Milky Way from a dark site, the bright, wide field can be spectacular.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat does \"ED Glass\" do for the view in the 72° 30mm eyepiece?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003e\u003cstrong\u003eExtra-Low Dispersion (ED) glass\u003c\/strong\u003e is a premium optical glass that corrects for chromatic aberration, also known as \"false color.\" This means it focuses all colors of light to the same point, resulting in sharper, higher-contrast images. You'll notice this as tighter stars and a lack of purple or green fringing around bright objects like planets and bright stars.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWill I need filters with the Explore Scientific 72° 30mm eyepiece?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe 2-inch barrel is threaded to accept standard 2\" astronomy filters. Because this eyepiece produces a low magnification and bright image, it pairs exceptionally well with nebula filters like a UHC or O-III. These filters will darken the sky background and dramatically increase the contrast on large emission nebulae like the Veil Nebula or the Lagoon Nebula (M8).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the waterproof feature of the 72° ED 30mm eyepiece benefit my observing sessions?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe waterproof, gas-purged construction prevents moisture from getting inside the eyepiece on dewy nights. This stops internal lens fogging, which can ruin a view and is difficult to clean. It also protects the delicate internal coatings from moisture damage and fungus, ensuring a longer lifespan for the eyepiece.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the main advantage of the 72° field over a standard Plössl?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe primary advantage is immersion. A 72° apparent field of view is wide enough to fill your eye's perception, creating a \"spacewalk\" effect where the eyepiece body seems to disappear. This makes observing large open clusters like the Pleiades (M45) or scanning the Milky Way a much more engaging experience than the more constrained view of a typical 50° Plössl.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\" style=\"text-align:center;\"\u003eNo specifications available.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n  \u003cdiv\u003e\n    \u003cp class=\"DAV-item-title\"\u003eNo contents available.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/davidastro.com\/pages\/explore-scientific-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eExplore Scientific Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Explore Scientific","offers":[{"title":"Default Title","offer_id":52909341802781,"sku":"ES-EPWP7230ED-01","price":560.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/ExploreScientific-72-ED-Series-30mm-Waterproof-Eyepiece-1_f8c58428-3140-4bb6-82d0-d477f514d167.jpg?v=1789061334"},{"product_id":"explore-scientific-epwp7225ed-01","title":"Explore Scientific 72° ED Series 25mm Waterproof Eyepiece","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e25mm Focal Length\u003c\/li\u003e\n\u003cli\u003e72° Apparent Field of View\u003c\/li\u003e\n\u003cli\u003e2-Inch Barrel Diameter\u003c\/li\u003e\n\u003cli\u003eExtra-Low Dispersion (ED) Glass\u003c\/li\u003e\n\u003cli\u003eWaterproof and Gas-Purged Construction\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section-center\"\u003e\n      \u003ch2\u003e72° ED Series 25mm Waterproof Eyepiece\u003c\/h2\u003e\n      \u003cp\u003eThe Explore Scientific 72° ED Series 25mm Waterproof Eyepiece uses a 2-inch barrel to deliver expansive, low-power views of the night sky. Its 72° apparent field of view is designed to fully contain large deep-sky objects, while the 25mm focal length produces bright images perfect for sweeping through rich star fields like the Milky Way.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003eThe 72° Field: Low-Power, Immersive Views\u003c\/h3\u003e\n      \u003cp\u003eWith a 25mm focal length, this eyepiece provides low magnification, which brightens the image and widens the true field of view in your telescope. The 72° apparent field creates an immersive \"spacewalk\" effect, making it easier to frame large targets like the Andromeda Galaxy (M31) or the North American Nebula (NGC 7000) in their entirety.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n    \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003eED Glass Optics in a 2-Inch Barrel\u003c\/h3\u003e\n      \u003cp\u003eThis eyepiece incorporates Extra-Low Dispersion (ED) glass to minimize chromatic aberration, or false color fringing, which is especially critical in a wide-field design. This results in sharper star points, higher contrast, and more natural color rendition across the entire 72° field. The 2-inch barrel format allows for a larger internal field stop than a 1.25-inch eyepiece, preventing vignetting and ensuring the view is bright to the edge.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n        \u003ch3\u003eWaterproof Construction and Comfortable Eye Relief\u003c\/h3\u003e\n        \u003cp\u003eThe eyepiece body is argon-purged and sealed, making it fully waterproof. This prevents internal fogging during nights with heavy dew and protects the internal lens coatings from moisture and fungus over the long term. Generous eye relief allows for comfortable viewing sessions without needing to press your eye right up against the lens, a significant benefit for all observers.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n  \n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003eExplore Scientific 72° 25mm vs. a Standard 25mm Plössl\u003c\/h3\u003e\n      \u003cp\u003eCompared to a traditional 25mm Plössl eyepiece, the Explore Scientific 72° ED offers two primary advantages.\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eWider Apparent Field:\u003c\/strong\u003e A standard Plössl typically has a 50-52° apparent field. The 72° field of this eyepiece shows a significantly larger area of sky at the same magnification, making it easier to find and frame objects.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eSuperior Color Correction:\u003c\/strong\u003e The ED glass in the Explore Scientific design provides a noticeable reduction in chromatic aberration. On bright targets like Jupiter or the lunar limb, the view through the 72° ED eyepiece will show minimal to no color fringing, while a standard Plössl may exhibit a slight purplish or yellowish halo.\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the main advantage of the Explore Scientific 72° 25mm eyepiece's 2-inch barrel?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThe \u003cstrong\u003e2-inch barrel\u003c\/strong\u003e allows for a larger physical field stop inside the eyepiece. This is essential for achieving a wide 72° apparent field of view at a long 25mm focal length without causing the edges of the view to dim or be cut off (vignetting).\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the ED glass in the 72° 25mm eyepiece improve views?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003e\u003cstrong\u003eExtra-Low Dispersion (ED) glass\u003c\/strong\u003e corrects for chromatic aberration. This means it focuses all colors of light to the same point, resulting in sharper stars, higher contrast, and the elimination of distracting purple or yellow color fringing around bright objects like planets and bright stars.\u003c\/p\u003e\n  \u003c\/div\u003e\n    \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eIs the Explore Scientific 72° 25mm eyepiece good for observers who wear glasses?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eYes. The eyepiece is designed with generous eye relief, which means you can hold your eye at a comfortable distance from the lens and still see the entire 72° field of view. This makes it much more comfortable for eyeglass wearers.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWhy is a waterproof eyepiece like the 72° ED 25mm useful?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eBeing \u003cstrong\u003ewaterproof and argon-purged\u003c\/strong\u003e prevents internal fogging on dewy nights, which can ruin an observing session. It also protects the internal multicoatings from moisture, dust, and fungus, ensuring the eyepiece lasts for many years.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eHow would the 72° ED 25mm eyepiece perform on the Pleiades (M45) in an 8-inch Dobsonian?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eIt would be an excellent choice. An 8-inch f\/6 Dobsonian has a focal length of about 1200mm, so a 25mm eyepiece yields 48x magnification. This low power combined with the wide 72° field would beautifully frame the entire Pleiades star cluster, showing the main stars as sharp points against a dark background with hints of the surrounding nebulosity.\u003c\/p\u003e\n  \u003c\/div\u003e\n    \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eIs the Explore Scientific 72° 25mm a good \"finder\" eyepiece for an f\/10 Schmidt-Cassegrain Telescope?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eAbsolutely. In a typical 8-inch f\/10 SCT with a 2032mm focal length, the 25mm eyepiece provides 81x magnification and the widest possible true field of view. This makes it invaluable for locating faint galaxies and nebulae before switching to higher-power eyepieces for detailed observation.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n  \u003ctable class=\"DAV-specifications\"\u003e\n    \u003ctbody\u003e\n      \n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n  \u003cul class=\"DAV-grid\"\u003e\n    \n  \u003c\/ul\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003ca href=\"https:\/\/davidastro.com\/pages\/explore-scientific-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eExplore Scientific Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Explore Scientific","offers":[{"title":"Default Title","offer_id":52909342949661,"sku":"ES-EPWP7225ED-01","price":490.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/ExploreScientific-72-ED-Series-25mm-Waterproof-Eyepiece-1_f7cbfb08-bde2-4fe2-a509-5356ee8c0fb2.jpg?v=1789061348"},{"product_id":"explore-scientific-epwp7265ed-01","title":"Explore Scientific 72° ED Series 6.5mm Waterproof Eyepiece","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e6.5mm Focal Length for High Magnification\u003c\/li\u003e\n\u003cli\u003e72° Apparent Field of View\u003c\/li\u003e\n\u003cli\u003e1.25\" Barrel Diameter\u003c\/li\u003e\n\u003cli\u003eExtra-Low Dispersion (ED) Glass Element\u003c\/li\u003e\n\u003cli\u003eWaterproof and Fogproof Construction\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eExplore Scientific 72° ED Series 6.5mm Waterproof Eyepiece\u003c\/h2\u003e\n\u003cp\u003eThe Explore Scientific 72° ED 6.5mm eyepiece delivers high-power views of the Moon and planets through a standard 1.25\" barrel. Its 72° apparent field of view creates an immersive, wide-screen perspective, framing celestial targets with more surrounding sky than conventional designs.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eHigh-Magnification Planetary Viewing: A 6.5mm Focal Length with ED Correction\u003c\/h3\u003e\n\u003cp\u003eThe 6.5mm focal length is engineered for detailed observation, pushing the magnification of your telescope to resolve fine features on planets, lunar craterlets, and tight double stars. An Extra-Low Dispersion (ED) glass element corrects for chromatic aberration, minimizing the false color fringing that can soften planetary limbs and bright stars. This results in sharper, higher-contrast images with accurate color, making it easier to distinguish subtle cloud bands on Jupiter or the Cassini Division in Saturn's rings. However, like all high-power eyepieces, the best results from the 6.5mm focal length depend on stable atmospheric seeing conditions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eThe 72° Apparent Field Advantage\u003c\/h3\u003e\n\u003cp\u003eCompared to the restrictive 50-52° field of a standard Plössl eyepiece, the 72° apparent field of view offers a noticeably more expansive window on the sky. This wider perspective creates a \"spacewalk\" sensation, reducing the feeling of looking down a narrow tube. For observers with non-tracking mounts like Dobsonians, this wider true field means your target stays in view longer before needing to be repositioned, allowing for more sustained and relaxed observation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eField-Ready Ergonomics in a 1.25\" Waterproof Body\u003c\/h3\u003e\n\u003cp\u003eThis eyepiece is fully waterproofed and internally purged, preventing moisture, dust, or fungus from contaminating the internal optics. This robust construction ensures reliability during dewy nights and makes the eyepiece easy to clean without fear of introducing fluid behind the lenses. The design also incorporates generous eye relief, providing comfortable views for extended periods and allowing eyeglass wearers to see the entire 72° field without having to press their eye to the lens.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow will the Explore Scientific 72° ED 6.5mm eyepiece perform on Jupiter with an 8\" SCT?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eIn an 8\" f\/10 Schmidt-Cassegrain Telescope, the 6.5mm eyepiece will yield approximately 313x magnification. This is an ideal power for resolving fine details like Jupiter's Great Red Spot, smaller cloud belts, and festoons, provided the atmospheric seeing is steady. The ED glass will be crucial at this magnification for minimizing chromatic aberration and maximizing contrast.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the 6.5mm focal length on this 72° eyepiece good for splitting double stars like Albireo?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, the 6.5mm focal length is excellent for splitting close double stars. While a wide pair like Albireo (Beta Cygni) is easily split at lower powers, this eyepiece will provide the high magnification needed to resolve much tighter pairs. The sharp, high-contrast view from the ED optics will help define the separation between close stellar components.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the main benefit of ED glass in the 72° 6.5mm eyepiece?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe primary benefit of \u003cstrong\u003eExtra-Low Dispersion (ED) glass\u003c\/strong\u003e is the significant reduction of chromatic aberration, or false color. At high magnifications, bright objects like planets and stars can show distracting purple or blue halos in non-ED eyepieces. The ED element in this eyepiece focuses all colors of light to the same point, resulting in a sharper, higher-contrast image with true-to-life colors.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use the Explore Scientific 72° ED 6.5mm eyepiece while wearing glasses?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. This eyepiece is designed with generous eye relief, which means you can hold your eye at a comfortable distance from the lens and still see the entire 72° field of view. This makes it an excellent choice for observers who need to wear glasses to correct for astigmatism.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the 72° field of view on this eyepiece compare to a standard Plössl?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eA standard Plössl eyepiece typically has an apparent field of view around 50-52°. The 72° field of this Explore Scientific eyepiece provides a significantly wider, more immersive viewing experience. In a non-tracking telescope, an object will take about 40% longer to drift across the field of view compared to a 50° Plössl at the same magnification.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat does \"waterproof\" mean for the 72° ED 6.5mm eyepiece?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe waterproof designation means the eyepiece has a sealed optical housing that is purged of internal air and filled with an inert gas like nitrogen or argon. This has two key benefits:\n\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIt prevents internal fogging when moving from a warm environment to cold night air.\u003c\/li\u003e\n\u003cli\u003eIt protects the internal lens surfaces from dew, rain, and dust, ensuring longevity and making it safe to clean the exterior lenses with cleaning solutions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Length\u003c\/td\u003e\n\u003ctd\u003e6.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApparent Field of View\u003c\/td\u003e\n\u003ctd\u003e72°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBarrel Size\u003c\/td\u003e\n\u003ctd\u003e1.25\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Design\u003c\/td\u003e\n\u003ctd\u003eContains Extra-Low Dispersion (ED) Glass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConstruction\u003c\/td\u003e\n\u003ctd\u003eWaterproof, Gas-Purged\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e72° ED Series 6.5mm Waterproof Eyepiece\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/davidastro.com\/pages\/explore-scientific-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eExplore Scientific Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Explore Scientific","offers":[{"title":"Default Title","offer_id":52909344522525,"sku":"ES-EPWP7265ED-01","price":420.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/ExploreScientific-72-ED-Series-6-5mm-Waterproof-Eyepiece-1_a0ff30a9-8a4a-492e-957b-947cac444ee3.jpg?v=1789061357"},{"product_id":"explore-scientific-epwp7285ed-01","title":"Explore Scientific 72° ED 8.5mm Waterproof Eyepiece","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e8.5mm Focal Length\u003c\/li\u003e\n\u003cli\u003e72° Apparent Field of View\u003c\/li\u003e\n\u003cli\u003eExtra-Low Dispersion (ED) Glass\u003c\/li\u003e\n\u003cli\u003e1.25\" Barrel Diameter\u003c\/li\u003e\n\u003cli\u003eWaterproof and Gas-Purged\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eExplore Scientific 72° ED 8.5mm Waterproof Eyepiece\u003c\/h2\u003e\n\u003cp\u003eThe Explore Scientific 72° ED Series 8.5mm Waterproof Eyepiece delivers a wide 72° apparent field of view in a versatile 8.5mm focal length perfect for high-contrast planetary and deep-sky observation. Its 1.25-inch barrel design incorporates Extra-Low Dispersion (ED) glass to virtually eliminate chromatic aberration, ensuring sharp, color-pure views from the center to the edge of the field.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eAn 8.5mm Focal Length with ED Glass Correction\u003c\/h3\u003e\n\u003cp\u003eThe 8.5mm focal length provides significant magnification for resolving fine details on planetary surfaces, splitting tight double stars, and examining the cores of compact deep-sky objects. The inclusion of ED glass is critical at these magnifications, as it corrects for chromatic aberration—the color fringing seen around high-contrast targets like the limb of Jupiter or bright stars. This results in a cleaner, higher-contrast image where subtle details are not washed out by false color.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eThe 72° Apparent Field of View Advantage\u003c\/h3\u003e\n\u003cp\u003eWith a 72° apparent field of view, this eyepiece offers an immersive, wide-window experience that makes observing more comfortable and engaging than standard 50° designs. For users with non-tracking mounts like Dobsonians, the wider field means celestial objects stay in view longer before needing adjustment. This generous field is ideal for framing smaller open clusters and planetary nebulae within their stellar context, providing a more satisfying and complete view.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eWaterproof Design for Field Reliability\u003c\/h3\u003e\n\u003cp\u003eDesigned for real-world observing conditions, the eyepiece is fully waterproof and argon-purged. This sealed construction prevents internal fogging during nights with heavy dew and protects the internal optics from dust and moisture. This not only ensures reliable views regardless of the weather but also makes the eyepiece much easier to clean without risk of moisture seeping into the housing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eExplore Scientific 72° ED 8.5mm vs. a Tele Vue 8mm Plössl\u003c\/h3\u003e\n\u003cp\u003eWhen choosing a premium high-magnification eyepiece, a benchmark like the Tele Vue 8mm Plössl is known for its exceptional sharpness and contrast in a compact form factor. However, the Explore Scientific 72° ED 8.5mm eyepiece presents a different set of advantages for the observer.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWider Apparent Field:\u003c\/strong\u003e The most significant difference is the 72° field of the Explore Scientific eyepiece compared to the 50° field of the Plössl. This provides a much more expansive and immersive viewing experience.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eED Glass Element:\u003c\/strong\u003e The ED glass in the 72° Series specifically targets and minimizes chromatic aberration, offering superior color correction on bright objects.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSealed Construction:\u003c\/strong\u003e The waterproof and argon-purged body of the Explore Scientific eyepiece offers greater durability and resistance to dew, a feature not present in the standard Plössl design.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat objects are best for the Explore Scientific 72° ED 8.5mm eyepiece?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe 8.5mm focal length is excellent for high-magnification views of bright objects. It excels at resolving cloud bands on \u003cstrong\u003eJupiter\u003c\/strong\u003e, the Cassini Division in \u003cstrong\u003eSaturn's rings\u003c\/strong\u003e, and fine crater details on the \u003cstrong\u003eMoon\u003c\/strong\u003e. It's also ideal for smaller, bright deep-sky objects like the Ring Nebula (M57) and globular clusters like the Hercules Cluster (M13).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the 72° field of view on the ED 8.5mm eyepiece help with a Dobsonian telescope?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eFor non-tracking telescopes like a \u003cstrong\u003eDobsonian\u003c\/strong\u003e, a wider field of view is a major asset. The 72° field allows an object to drift across the eyepiece for a longer period before you need to nudge the telescope, making for more relaxed and continuous observation, especially at high power.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWill the Explore Scientific 72° ED 8.5mm eyepiece work for observers who wear glasses?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, this eyepiece is designed with \u003cstrong\u003elong eye relief\u003c\/strong\u003e. This allows eyeglass wearers to see the entire 72° field of view comfortably without having to press their glasses against the lens, which is often a problem with short eye relief eyepieces.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the benefit of ED glass in the 8.5mm eyepiece when viewing Jupiter?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eWhen viewing a bright planet like \u003cstrong\u003eJupiter\u003c\/strong\u003e, lesser eyepieces can show a purple or blue fringe of false color around the planet's edge. The \u003cstrong\u003eExtra-Low Dispersion (ED) glass\u003c\/strong\u003e in the Explore Scientific 72° ED 8.5mm corrects this, resulting in a sharp, high-contrast view with true-to-life colors, making it easier to see subtle details in the cloud bands.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhy is a waterproof eyepiece like the Explore Scientific 72° ED 8.5mm useful?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eA waterproof, gas-purged design prevents dew from forming on internal lens surfaces, a common problem during long nights in humid climates. It also keeps dust and fungus out of the optical path, ensuring the eyepiece performs like new for years and can be cleaned without fear of introducing moisture inside.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the 8.5mm focal length on the Explore Scientific 72° ED eyepiece compare to a 25mm eyepiece?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eAn 8.5mm eyepiece provides much higher magnification than a 25mm eyepiece. In a telescope with a 1000mm focal length, the 8.5mm would yield approximately 118x magnification, while a 25mm would provide 40x. The 8.5mm is for detailed, close-up views, whereas the 25mm is for wide-field scanning and finding objects.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Length\u003c\/td\u003e\n\u003ctd\u003e8.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApparent Field of View\u003c\/td\u003e\n\u003ctd\u003e72°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBarrel Size\u003c\/td\u003e\n\u003ctd\u003e1.25\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Design\u003c\/td\u003e\n\u003ctd\u003eContains Extra-Low Dispersion (ED) Glass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConstruction\u003c\/td\u003e\n\u003ctd\u003eWaterproof, Argon-Purged\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEye Relief\u003c\/td\u003e\n\u003ctd\u003eLong (Eyeglass Friendly)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e72° ED Series 8.5mm Waterproof Eyepiece\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/davidastro.com\/pages\/explore-scientific-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eExplore Scientific Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Explore Scientific","offers":[{"title":"Default Title","offer_id":52909345571101,"sku":"ES-EPWP7285ED-01","price":420.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/ExploreScientific-72-ED-Series-8-5mm-Waterproof-Eyepiece-1_0b22e52f-8524-4dc9-89f6-13e89c5c20ec.jpg?v=1789061366"},{"product_id":"explore-scientific-epwp72115ed-01","title":"Explore Scientific 72° ED Series 11.5mm Waterproof Eyepiece","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e11.5mm Focal Length\u003c\/li\u003e\n\u003cli\u003e72° Apparent Field of View\u003c\/li\u003e\n\u003cli\u003eExtra-Low Dispersion (ED) Glass\u003c\/li\u003e\n\u003cli\u003e1.25\" Barrel Diameter\u003c\/li\u003e\n\u003cli\u003eWaterproof Construction\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eExplore Scientific 72° ED Series 11.5mm Waterproof Eyepiece\u003c\/h2\u003e\n\u003cp\u003eThe Explore Scientific 72° ED Series 11.5mm Waterproof Eyepiece delivers a wide 72° apparent field of view in a standard 1.25-inch barrel. Its 11.5mm focal length provides a versatile mid-range magnification, making it an excellent single eyepiece for capturing detailed views of the Moon, planets, and brighter deep-sky objects without needing to swap between multiple eyepieces during a session.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003e72° Field and ED Glass: Immersive Views with Minimal False Color\u003c\/h3\u003e\n\u003cp\u003eThe 72° apparent field of view creates an immersive, \"spacewalk\" perspective that makes objects feel closer and more detailed. This wide window allows celestial targets to drift through the field for longer before your mount needs adjustment, enabling more relaxed and continuous observation. By incorporating Extra-Low Dispersion (ED) glass, this eyepiece virtually eliminates chromatic aberration, resulting in sharp, high-contrast images with true color fidelity, especially noticeable on bright targets like Jupiter's cloud bands or the lunar terminator.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003e11.5mm Focal Length: A Versatile Workhorse for Any Target\u003c\/h3\u003e\n\u003cp\u003eThe 11.5mm focal length strikes a critical balance between magnification, field of view, and image brightness, making it a dependable workhorse for any telescope. It provides enough power to resolve details in planetary cloud belts and lunar craters while remaining wide enough for framing many open clusters and smaller nebulae. The waterproof construction and comfortable eye relief ensure it performs reliably in dewy conditions and supports long, comfortable viewing sessions, even for observers who wear glasses.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eES 72° 11.5mm vs. a 52° Plössl: The Value of a Wider Field\u003c\/h3\u003e\n\u003cp\u003eCompared to a standard Plössl eyepiece with a typical 52° field, the Explore Scientific 72° ED Series 11.5mm offers a significantly more expansive view. This isn't just about aesthetics; the wider field provides better context around your target and makes object location easier.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard 11mm Plössl:\u003c\/strong\u003e Delivers a narrower, more \"looking through a tube\" experience. Bright objects like the Moon can feel constrained, and star clusters may not fit entirely in the view.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExplore Scientific 72° 11.5mm:\u003c\/strong\u003e The wider field frames the same object with more surrounding dark sky, making the target stand out. The ED glass further enhances the view by correcting for the false color fringing that can soften images in simpler optical designs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat makes the Explore Scientific 72° 11.5mm eyepiece a good all-around choice?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eIts \u003cstrong\u003e11.5mm focal length\u003c\/strong\u003e provides a useful medium magnification that is effective on a wide variety of objects, from planets to deep-sky targets. Combined with the immersive \u003cstrong\u003e72° apparent field of view\u003c\/strong\u003e and high-contrast optics from the ED glass, it serves as an excellent single \"grab-and-go\" eyepiece for many different telescopes.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the ED glass in the 72° 11.5mm eyepiece improve views of Jupiter?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eJupiter is a very bright, high-contrast target that often shows purple or blue color fringing (chromatic aberration) in standard eyepieces. The \u003cstrong\u003eExtra-Low Dispersion (ED) glass\u003c\/strong\u003e in the Explore Scientific 72° 11.5mm eyepiece corrects this optical error, resulting in a sharper image with truer colors. You will see cleaner distinctions between the cloud bands and a more defined edge on the planet's limb.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the eye relief on the 72° 11.5mm eyepiece suitable for eyeglass wearers?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, the eyepiece is designed with comfortable eye relief that allows most users to see the full 72° field of view while wearing their glasses. This prevents the need to constantly remove and replace your glasses, making for a more convenient and comfortable observing session.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat does 'waterproof' mean for the Explore Scientific 72° eyepiece?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe waterproof design means the eyepiece is internally sealed and purged (typically with argon or nitrogen gas) to prevent moisture, dust, or fungus from getting inside the optical housing. This makes it highly resistant to dew and internal fogging during cold, humid nights, ensuring clear views and protecting the longevity of the internal lens coatings.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow will the 72° 11.5mm eyepiece perform in an 8-inch f\/10 SCT on the Orion Nebula (M42)?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eIn an 8-inch f\/10 Schmidt-Cassegrain Telescope, the 11.5mm focal length will yield approximately 177x magnification. This is an excellent power for examining the core of the Orion Nebula (M42), easily resolving the four main stars of the Trapezium cluster (Theta-1 Orionis). The 72° field of view will beautifully frame the brightest nebulosity and surrounding starfield, offering a detailed and immersive perspective.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhy choose a 72° field of view over a standard 52° Plössl?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eA 72° field of view provides a much more immersive \"spacewalk\" feeling than the 52° field of a standard Plössl. It allows you to see more of the sky around your target, which is useful for star-hopping and for appreciating large objects like open clusters in their entirety. Objects also take longer to drift out of the field, allowing for more relaxed viewing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Length\u003c\/td\u003e\n\u003ctd\u003e11.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApparent Field of View\u003c\/td\u003e\n\u003ctd\u003e72°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBarrel Size\u003c\/td\u003e\n\u003ctd\u003e1.25\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLens Elements\u003c\/td\u003e\n\u003ctd\u003eExtra-Low Dispersion (ED) Glass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConstruction\u003c\/td\u003e\n\u003ctd\u003eWaterproof\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/davidastro.com\/pages\/explore-scientific-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eExplore Scientific Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Explore Scientific","offers":[{"title":"Default Title","offer_id":52909346750749,"sku":"ES-EPWP72115ED-01","price":420.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/ExploreScientific-72-ED-Series-11-5mm-Waterproof-Eyepiece-1_4e82d640-4cfe-4090-a66a-b7c77ebfa4cb.jpg?v=1789061374"},{"product_id":"explore-scientific-epwp7215ed-01","title":"Explore Scientific 72° ED Series 15mm Waterproof Eyepiece","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e15mm Focal Length\u003c\/li\u003e\n\u003cli\u003e72° Apparent Field of View\u003c\/li\u003e\n\u003cli\u003e1.25\" Diameter Barrel\u003c\/li\u003e\n\u003cli\u003eExtra-Low Dispersion (ED) Glass\u003c\/li\u003e\n\u003cli\u003eWaterproof Construction\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section-center\"\u003e\n      \u003ch2\u003eExplore Scientific 72° ED Series 15mm Waterproof Eyepiece\u003c\/h2\u003e\n      \u003cp\u003eThe Explore Scientific 72° ED Series 15mm Waterproof Eyepiece delivers an expansive 72-degree apparent field of view through a standard 1.25-inch barrel. This 15mm focal length provides a versatile mid-range magnification perfect for framing large star clusters and nebulae, offering an immersive perspective that simpler designs cannot match.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003eA 72° Field of View: Immersive, Wide-Sky Viewing\u003c\/h3\u003e\n      \u003cp\u003eThe 72° apparent field of view creates a \"spacewalk\" experience, allowing you to see more of the sky at once without moving the telescope. This makes it far easier to locate faint objects and to appreciate the full scale of large targets like the Pleiades (M45) or the North American Nebula (NGC 7000), which can be contained within a single, dramatic frame.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n    \n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003eHigh-Contrast ED Optics in a 1.25-inch Barrel\u003c\/h3\u003e\n      \u003cp\u003eThis eyepiece uses Extra-low Dispersion (ED) glass to minimize chromatic aberration, the false color fringing visible on high-contrast targets like the lunar limb, Jupiter, or bright stars. The result is a cleaner, higher-contrast image with pinpoint stars and more natural color rendition. Its waterproof construction also protects the internal optics from dew and moisture, ensuring reliability during long nights in the field.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003e72° ED 15mm vs. a 15mm Plössl: The AFOV Difference\u003c\/h3\u003e\n      \u003cp\u003eWhile a standard 15mm Plössl is a reliable, lightweight eyepiece, its field of view is typically limited to around 52°. The Explore Scientific 72° ED eyepiece offers a significantly wider window on the sky.\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eImmersive Experience:\u003c\/strong\u003e The 72° field feels less like looking through a tube and more like a direct view of the cosmos, reducing the need to constantly nudge the telescope to follow an object.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eOptical Correction:\u003c\/strong\u003e The ED glass in the 72° eyepiece provides superior color correction compared to the standard achromatic glass used in most Plössls, delivering sharper, higher-contrast views of bright objects.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eTrade-Offs:\u003c\/strong\u003e A Plössl is often lighter and more compact. The 72° ED eyepiece uses more complex optics to achieve its wide, corrected field, which is reflected in its physical design.\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the Explore Scientific 72° 15mm eyepiece perform on the Andromeda Galaxy (M31) in an 8-inch Dobsonian?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eIn a typical 8-inch f\/6 Dobsonian, the 15mm focal length yields around 81x magnification. The 72° field of view is wide enough to frame the bright core and a significant portion of the surrounding dust lanes of the Andromeda Galaxy (M31), making it an excellent choice for observing large galaxies and nebulae.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eIs the 15mm focal length of this 72° eyepiece a good choice for viewing Jupiter's moons in a 102mm refractor?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eYes, the 15mm focal length provides a useful medium power for planetary viewing. The ED glass is particularly beneficial here, as it reduces chromatic aberration on Jupiter's bright disk, leading to a sharper view of its cloud bands and the pinpoint Galilean moons without distracting color fringing.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the main benefit of the ED glass in the Explore Scientific 72° 15mm eyepiece?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThe primary benefit of \u003cstrong\u003eExtra-low Dispersion (ED) glass\u003c\/strong\u003e is its ability to significantly reduce chromatic aberration. This results in sharper, higher-contrast images with truer color fidelity, especially noticeable when observing bright objects like planets, the Moon, and bright double stars like Albireo (Beta Cygni).\u003c\/p\u003e\n  \u003c\/div\u003e\n    \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eIs the Explore Scientific 72° 15mm eyepiece suitable for observers who wear glasses?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThis eyepiece is designed with generous eye relief, which makes it more comfortable for extended observing sessions. While the specific eye relief distance is not published, this design consideration generally makes it easier for eyeglass wearers to see a large portion of the field of view.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWhat does 'waterproof' mean for the 72° ED 15mm eyepiece?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThe waterproof construction means the eyepiece is internally sealed and purged, typically with an inert gas like argon or nitrogen. This prevents internal fogging and protects the lens coatings from moisture, fungus, and dust, ensuring long-term optical integrity even in dewy or humid conditions.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the 72° apparent field of view on this 15mm eyepiece change the observing experience?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eA 72° apparent field of view provides a much more immersive experience than standard eyepieces (which are often around 50°). It feels more like looking out of a spaceship porthole than through a narrow tube, making it easier to scan large areas of the Milky Way and appreciate the context of deep-sky objects within their surrounding star fields.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n  \u003ctable class=\"DAV-specifications\"\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n\u003ctd\u003eFocal Length\u003c\/td\u003e\n\u003ctd\u003e15mm\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eApparent Field of View\u003c\/td\u003e\n\u003ctd\u003e72°\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eBarrel Size\u003c\/td\u003e\n\u003ctd\u003e1.25\"\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eLens Elements\u003c\/td\u003e\n\u003ctd\u003eExtra-Low Dispersion (ED) Glass\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eConstruction\u003c\/td\u003e\n\u003ctd\u003eWaterproof\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n  \u003cul class=\"DAV-grid\"\u003e\n    \u003cli class=\"DAV-grid-item\"\u003e\n      \u003cdiv\u003e\n        \u003cp class=\"DAV-item-title\"\u003e72° ED Series 15mm Waterproof Eyepiece\u003c\/p\u003e\n        \u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003ca href=\"https:\/\/davidastro.com\/pages\/explore-scientific-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eExplore Scientific Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Explore Scientific","offers":[{"title":"Default Title","offer_id":52909349175581,"sku":"ES-EPWP7215ED-01","price":420.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/ExploreScientific-72-ED-Series-15mm-Waterproof-Eyepiece-1_8c3215b7-9615-415a-a836-cf1ef2c4c946.jpg?v=1789061389"},{"product_id":"explore-scientific-epwp7220ed-01","title":"Explore Scientific 72° ED Series 20mm Waterproof Eyepiece","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e20mm Focal Length\u003c\/li\u003e\n\u003cli\u003e72° Apparent Field of View\u003c\/li\u003e\n\u003cli\u003e1.25\" Barrel Diameter\u003c\/li\u003e\n\u003cli\u003eWaterproof \u0026amp; Gas-Purged Construction\u003c\/li\u003e\n\u003cli\u003eExtra-Low Dispersion (ED) Glass\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section-center\"\u003e\n      \u003ch2\u003eExplore Scientific 72° ED Series 20mm Waterproof Eyepiece\u003c\/h2\u003e\n      \u003cp\u003eThe Explore Scientific 72° ED Series 20mm Waterproof Eyepiece combines an immersive 72° apparent field of view with color-faithful Extra-Low Dispersion (ED) glass in a versatile 1.25\" barrel. This 20mm focal length serves as an ideal low-to-mid power scanning eyepiece, delivering bright, expansive views of large celestial objects and rich star fields.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003eThe 72° ED Glass Advantage: Chromatic Aberration Control\u003c\/h3\u003e\n      \u003cp\u003eThis eyepiece's optical design centers on Extra-Low Dispersion (ED) glass to minimize chromatic aberration—the false color fringing seen on bright objects like stars and planetary limbs. By correcting for this distortion, the 20mm ED eyepiece produces sharper, higher-contrast images with more natural color rendition across its entire 72° apparent field.\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eHigh-Contrast Views:\u003c\/strong\u003e Suppressing false color results in a darker sky background and makes faint details in nebulae and galaxies easier to discern.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eEdge-to-Edge Sharpness:\u003c\/strong\u003e The ED element helps maintain tight, point-like stars even at the edge of the wide 72° field, creating a more cohesive and immersive viewing experience.\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n    \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003eAll-Weather Scanning: A Waterproof 20mm Eyepiece\u003c\/h3\u003e\n      \u003cp\u003eEngineered for reliability in the field, the 72° ED 20mm eyepiece is fully waterproof and gas-purged. This prevents internal fogging during nights with heavy dew and protects the internal lens coatings from moisture and fungus, ensuring long-term durability.\u003c\/p\u003e\n        \u003cp\u003eThis robust construction, combined with a comfortable eye relief, makes it a workhorse eyepiece for extended observing sessions. Its primary role as a 20mm low-power eyepiece makes it perfect for locating objects and scanning the Milky Way, where changing temperatures and dew are common challenges.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n        \u003ch3\u003e72° ED vs. 50° Plössl: A Wider Context for Deep Sky Objects\u003c\/h3\u003e\n        \u003cp\u003eA standard 20mm Plössl eyepiece typically offers a 50-52° apparent field of view. While effective, this narrower field can feel restrictive when viewing large-scale structures. The Explore Scientific 72° ED 20mm eyepiece provides a dramatically larger window on the sky.\u003c\/p\u003e\n        \u003cul\u003e\n            \u003cli\u003e\n\u003cstrong\u003eFraming Large Targets:\u003c\/strong\u003e The 72° field allows you to frame entire objects like the Pleiades (M45) or the Andromeda Galaxy (M31) within a single view, which is often impossible with a standard Plössl at the same magnification.\u003c\/li\u003e\n            \u003cli\u003e\n\u003cstrong\u003eImmersive Experience:\u003c\/strong\u003e The wider field of view enhances the sense of \"space-walking,\" making deep-sky observing more engaging by revealing the surrounding star fields that give context to the main object.\u003c\/li\u003e\n        \u003c\/ul\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the main advantage of the Explore Scientific 72° ED 20mm eyepiece?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eIts primary advantage is the combination of a \u003cstrong\u003ewide 72° apparent field of view\u003c\/strong\u003e with \u003cstrong\u003eExtra-Low Dispersion (ED) glass\u003c\/strong\u003e. This pairing delivers an immersive, expansive view that is also sharp and free of distracting false color (chromatic aberration), making it ideal for high-contrast deep-sky observing.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the ED glass in the 20mm eyepiece improve the view?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003e\u003cstrong\u003eED glass\u003c\/strong\u003e significantly reduces chromatic aberration, which is the color fringing (often purple or blue) seen around bright stars and the edge of the Moon. By correcting this, the eyepiece produces truer colors, higher contrast, and sharper images from the center to the edge of the field.\u003c\/p\u003e\n  \u003c\/div\u003e\n    \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eIs the Explore Scientific 20mm ED eyepiece good for planetary viewing?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eWhile the ED glass provides excellent color correction, a 20mm focal length typically provides low-to-medium power, which is not ideal for detailed planetary observation. It is primarily designed for sweeping star fields and viewing large deep-sky objects. For high-magnification planetary views, you would need to pair this eyepiece with a high-quality Barlow lens.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eHow will the 72° field of the 20mm eyepiece help when observing large open clusters like the Pleiades (M45)?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThe expansive 72° field of view allows you to see the entire Pleiades star cluster (M45) at once, including its surrounding nebulosity, in most telescopes. A standard eyepiece with a narrower field would require you to pan around to see the full extent of the cluster, losing the impressive context of the object as a whole.\u003c\/p\u003e\n  \u003c\/div\u003e\n    \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWith an 8-inch f\/10 SCT, what can I expect from the Explore Scientific 20mm ED eyepiece?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eIn a typical 8\" f\/10 Schmidt-Cassegrain Telescope (2000mm focal length), the 20mm eyepiece will provide \u003cstrong\u003e100x magnification\u003c\/strong\u003e. This is an excellent medium-power magnification for this type of telescope, perfect for framing globular clusters like M13, resolving details in larger nebulae like the Orion Nebula (M42), and exploring the star clouds of the Milky Way.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWhat does 'waterproof' mean for the Explore Scientific 72° ED 20mm eyepiece?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThe waterproof and gas-purged construction means the eyepiece is sealed against the elements. This prevents moisture, dew, and dust from getting inside the eyepiece, which prevents internal fogging and protects the lens coatings from damage over time. It ensures reliable performance even in damp observing conditions.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n  \u003ctable class=\"DAV-specifications\"\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n\u003ctd\u003eFocal Length\u003c\/td\u003e\n\u003ctd\u003e20mm\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eApparent Field of View\u003c\/td\u003e\n\u003ctd\u003e72°\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eBarrel Diameter\u003c\/td\u003e\n\u003ctd\u003e1.25\"\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eLens Construction\u003c\/td\u003e\n\u003ctd\u003eExtra-Low Dispersion (ED) Glass\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eWaterproof\u003c\/td\u003e\n\u003ctd\u003eYes, Gas-Purged\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n  \u003cul class=\"DAV-grid\"\u003e\n    \u003cli class=\"DAV-grid-item\"\u003e\n      \u003cdiv\u003e\n        \u003cp class=\"DAV-item-title\"\u003e72° ED Series 20mm Waterproof Eyepiece\u003c\/p\u003e\n        \u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003ca href=\"https:\/\/davidastro.com\/pages\/explore-scientific-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eExplore Scientific Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Explore Scientific","offers":[{"title":"Default Title","offer_id":52909353173277,"sku":"ES-EPWP7220ED-01","price":420.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/ExploreScientific-72-ED-Series-20mm-Waterproof-Eyepiece-1_8291e35d-79c6-401e-b2b0-fa8488abcd14.jpg?v=1789061404"},{"product_id":"explore-scientific-epwp9225ed-01","title":"Explore Scientific 92° ED Series 25mm Waterproof Eyepiece","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e92° Apparent Field of View\u003c\/li\u003e\n\u003cli\u003e25mm Focal Length\u003c\/li\u003e\n\u003cli\u003e2\" Barrel Diameter\u003c\/li\u003e\n\u003cli\u003eExtra-Low Dispersion (ED) Glass\u003c\/li\u003e\n\u003cli\u003eWaterproof and Fog-Proof Construction\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003e92° ED Series 25mm Waterproof Eyepiece\u003c\/h2\u003e\n\u003cp\u003eThe Explore Scientific 92° ED Series 25mm Waterproof Eyepiece delivers an ultra-wide, low-magnification viewing experience in a 2-inch barrel format. Its 25mm focal length is designed for sweeping through vast star fields, while the immense 92° apparent field of view creates a genuine \"spacewalk\" immersion that narrower designs cannot replicate.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eA 92° Panoramic Window on the Cosmos\u003c\/h3\u003e\n\u003cp\u003eThe 92° apparent field of view fundamentally changes how you observe. Instead of looking through a narrow portal, the view fills your perception, allowing large deep-sky objects to be seen in their entirety. You can frame the full expanse of the Andromeda Galaxy (M31) or trace the intricate dust lanes of the North American Nebula (NGC 7000) without panning your telescope.\u003c\/p\u003e\n\u003cp\u003eThis eyepiece is engineered to serve as a wide-field finder and a primary observing instrument. The low power provided by the 25mm focal length makes it easy to locate targets and appreciate the grand scale of the Milky Way's star clouds.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eED Glass for High-Contrast, Color-Free Views\u003c\/h3\u003e\n\u003cp\u003eThis eyepiece uses Extra-Low Dispersion (ED) glass to significantly reduce chromatic aberration—the false color fringing seen around bright stars and planetary limbs. By correcting for this distortion, star points remain sharp and white across the field, and subtle color differences in nebulae become more apparent.\u003c\/p\u003e\n\u003cp\u003eThe primary benefit is a dramatic increase in contrast. With chromatic aberration suppressed, the sky background appears darker and the separation between faint objects and the surrounding space is much more distinct, improving the visibility of faint galactic arms and nebulous filaments.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eWaterproof Construction for All-Night Observing\u003c\/h3\u003e\n\u003cp\u003eBuilt to withstand challenging field conditions, this eyepiece is fully waterproof. The internal optical chambers are sealed and purged, preventing internal fogging when moving from a warm house to a cool observing site. This also protects the internal lens surfaces from dust and moisture, ensuring long-term optical integrity.\u003c\/p\u003e\n\u003cp\u003eThe design incorporates long eye relief, providing comfortable viewing for extended periods. This is a critical feature for observers who wear eyeglasses, allowing them to see the entire 92° field without having to press their eye against the lens.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003e92° vs. 70° Field: The Immersive Difference\u003c\/h3\u003e\n\u003cp\u003eWhile a 70° eyepiece offers a wide view, a 92° field delivers a qualitatively different experience. The key distinction is the role of the field stop—the black edge of the viewing circle.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e70° Field:\u003c\/strong\u003e You are aware of the field stop. The view feels like a generous window, but it is still clearly a window.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e92° Field:\u003c\/strong\u003e The field stop recedes into your peripheral vision, often disappearing entirely. This creates the sensation of being suspended in space rather than looking through an instrument, which is the ultimate goal of an ultra-wide eyepiece. The trade-off for this immersion is the requirement for a 2\" focuser, which is not standard on all telescopes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat makes the Explore Scientific 92° 25mm eyepiece ideal for large deep sky objects?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe combination of a long \u003cstrong\u003e25mm focal length\u003c\/strong\u003e (for low magnification) and an enormous \u003cstrong\u003e92° apparent field of view\u003c\/strong\u003e allows you to fit exceptionally large objects like the Andromeda Galaxy (M31) or the Veil Nebula complex into a single frame. This contextual view is impossible to achieve with standard eyepieces at the same magnification.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow will the 92° 25mm eyepiece perform in an 8\" f\/10 SCT on the Orion Nebula (M42)?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eIn a typical 8\" f\/10 SCT with a 2032mm focal length, this 25mm eyepiece will yield approximately 81x magnification. The true field of view will be over 1.1°, wide enough to frame not just the core Trapezium stars but also the entire \"wingspan\" of the Orion Nebula (M42) and its neighbor, De Mairan's Nebula (M43), with dark sky around them. The ED glass will ensure the hot, bright stars of the Trapezium are rendered as sharp points without distracting purple halos.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the main benefit of ED glass in the Explore Scientific 92° 25mm eyepiece?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003e\u003cstrong\u003eExtra-Low Dispersion (ED) glass\u003c\/strong\u003e corrects for chromatic aberration. In practical terms, this means you get higher contrast and sharper views. Bright stars will not show false color fringes (like purple halos), and the background sky will appear darker, making it easier to see faint details in galaxies and nebulae.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the Explore Scientific 92° 25mm eyepiece a good choice for planetary viewing?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo, this eyepiece is not designed for high-magnification planetary viewing. Its long 25mm focal length provides low power, which is ideal for deep-sky objects. For observing fine details on Jupiter or the rings of Saturn, a short focal length eyepiece (e.g., 5mm to 9mm) would be a much better choice.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the long eye relief of this eyepiece suitable for observers who wear glasses?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. The long eye relief is a key feature designed for comfort, especially for eyeglass wearers. It allows you to position your eye at a sufficient distance to see the entire vast 92° field of view without removing your glasses, which is critical if you need them to correct for astigmatism.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat does the \"waterproof\" feature mean for the 92° 25mm eyepiece?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eBeing waterproof means the eyepiece is internally sealed and purged with an inert gas. This has two major benefits for an observer:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrevents Internal Fogging:\u003c\/strong\u003e It won't fog up on the inside during nights with heavy dew.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKeeps Dust Out:\u003c\/strong\u003e The seals prevent dust, pollen, and other contaminants from getting inside the eyepiece and settling on the lens surfaces, ensuring a clean view for years.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/davidastro.com\/pages\/explore-scientific-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eExplore Scientific Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Explore Scientific","offers":[{"title":"Default Title","offer_id":52909354582301,"sku":"ES-EPWP9225ED-01","price":700.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/ExploreScientific-92-ED-Series-25mm-Waterproof-Eyepiece-1_a286425f-d806-4d32-98c2-c9651fb00c61.jpg?v=1789061413"},{"product_id":"explore-scientific-epwp9209ed-01","title":"Explore Scientific 92° ED Series 9mm Waterproof Eyepiece","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e9mm Focal Length\u003c\/li\u003e\n\u003cli\u003e92° Apparent Field of View\u003c\/li\u003e\n\u003cli\u003e2-inch Barrel Diameter\u003c\/li\u003e\n\u003cli\u003eExtra-Low Dispersion (ED) Glass\u003c\/li\u003e\n\u003cli\u003eWaterproof and Gas-Purged Construction\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eExplore Scientific 92° ED Series 9mm Waterproof Eyepiece\u003c\/h2\u003e\n\u003cp\u003eThe Explore Scientific 92° ED Series 9mm Waterproof Eyepiece delivers an ultra-wide 92° apparent field of view in a 9mm focal length, optimized for high-magnification planetary and deep-sky observation. This 2-inch barrel eyepiece is engineered to create a fully immersive, \"spacewalk\" experience, keeping targets in the view longer at high power and reducing the need for constant scope adjustments.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eA 92° Spacewalk: High-Power Views in a 9mm Eyepiece\u003c\/h3\u003e\n\u003cp\u003eThe 92° apparent field of view transforms high-power observing from looking through a keyhole into a panoramic experience. At the high magnification provided by the 9mm focal length, this expansive view allows you to frame not just Jupiter, but its Galilean moons in a single, dramatic vista. For smaller deep-sky objects like the Ring Nebula (M57) or the Hercules Cluster (M13), the wide field provides context, making the object feel suspended in a vast, dark sky.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eED Glass in a 2-Inch Barrel: Maximizing Contrast and Color Fidelity\u003c\/h3\u003e\n\u003cp\u003eThis eyepiece uses Extra-Low Dispersion (ED) glass to virtually eliminate chromatic aberration, or false color fringing. This correction is critical at high magnifications, ensuring fine details on bright objects like the lunar terminator or Saturn's rings resolve with maximum sharpness and contrast. The result is a color-pure image, preserving the subtle hues of Jupiter's cloud bands and the true colors of double stars.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eHigh-Power Comfort: The 9mm ED's All-Weather Design\u003c\/h3\u003e\n\u003cp\u003eEngineered for demanding field use, this 9mm eyepiece is fully waterproof and gas-purged. This process prevents internal optics from fogging during nights with heavy dew, protecting your investment and ensuring your views remain clear. The design also incorporates long eye relief, providing comfortable viewing during extended sessions and reducing eye strain when studying faint planetary details.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eES 92° 9mm vs. TV 9mm Nagler: A 92° Field vs. an 82° Benchmark\u003c\/h3\u003e\n\u003cp\u003eThe Tele Vue 9mm Nagler is a long-standing benchmark for high-power, wide-field viewing, known for its sharp optics and compact form factor. The Explore Scientific 92° 9mm eyepiece, however, presents a compelling alternative with distinct advantages.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWider Apparent Field:\u003c\/strong\u003e The primary difference is the Explore Scientific's 92° field compared to the Nagler's 82°. This extra 10 degrees creates a noticeably more immersive view.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAll-Weather Construction:\u003c\/strong\u003e The waterproof and gas-purged design of the Explore Scientific eyepiece is a significant practical advantage for observers in humid climates, a feature not standard on the Nagler.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrade-Offs:\u003c\/strong\u003e To achieve its ultra-wide field, the 92° eyepiece is physically larger than a Nagler. Both eyepieces represent a significant step up from standard Plössl or Kellner designs in both view quality and physical size.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the Explore Scientific 92° 9mm eyepiece perform on Jupiter with an 8\" SCT?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eIn a typical 8\" f\/10 SCT (2032mm focal length), the 9mm eyepiece yields 226x magnification. This is an ideal power for resolving fine details like the Cassini Division in Saturn's rings and intricate cloud bands on Jupiter. The 92° field of view will comfortably frame the planet and all four Galilean moons simultaneously.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the 9mm focal length of this Explore Scientific eyepiece suitable for viewing the Ring Nebula (M57) in a 10\" Dobsonian?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, it's an excellent choice. A 10\" f\/4.7 Dobsonian (1200mm focal length) would achieve 133x with this 9mm eyepiece. This magnification is high enough to show the central star within M57 on a good night, while the 92° field provides a dark, expansive backdrop that makes the nebula stand out.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the main benefit of the 92° field of view on the Explore Scientific 9mm eyepiece?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe primary benefit is the immersive, \"spacewalk\" feeling it creates, which makes observing more engaging. Practically, it keeps objects within the field of view for a longer time, especially on non-driven mounts like Dobsonians, reducing the need to constantly nudge the telescope at high power.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat does the \"ED\" in the Explore Scientific 92° 9mm eyepiece mean for visual observing?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003e\u003cstrong\u003eED\u003c\/strong\u003e stands for \u003cstrong\u003eExtra-Low Dispersion\u003c\/strong\u003e glass. For the observer, this means the eyepiece corrects for chromatic aberration (false color). Views of high-contrast targets like the Moon, planets, and bright stars will be sharper, with higher contrast and no distracting purple or yellow color fringing around the edges.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the Explore Scientific 92° 9mm eyepiece comfortable for observers who wear glasses?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThis eyepiece is designed with long eye relief, which allows you to hold your eye at a comfortable distance from the lens and still see the entire 92° field of view. This makes it significantly more comfortable for eyeglass wearers than eyepieces with short eye relief.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhy is a waterproof eyepiece like the Explore Scientific 92° 9mm useful?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eWaterproofing is achieved by sealing the eyepiece and purging the air inside with an inert gas like argon or nitrogen. This prevents moisture, dew, and dust from getting inside the eyepiece barrel. It ensures the internal lens surfaces stay clean and prevents internal fogging on cold or humid nights.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/davidastro.com\/pages\/explore-scientific-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eExplore Scientific Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Explore Scientific","offers":[{"title":"Default Title","offer_id":52909355761949,"sku":"ES-EPWP9209ED-01","price":630.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/ExploreScientific-92-ED-Series-9mm-Waterproof-Eyepiece-1_c518bb4d-de4b-42b7-809a-2bc8526ffb07.jpg?v=1789061423"},{"product_id":"explore-scientific-epwp9214ed-01","title":"Explore Scientific 92° ED Series 14mm Waterproof Eyepiece","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e14mm Focal Length\u003c\/li\u003e\n\u003cli\u003e92° Apparent Field of View\u003c\/li\u003e\n\u003cli\u003e2-inch Barrel Diameter\u003c\/li\u003e\n\u003cli\u003eExtra-Low Dispersion (ED) Glass Element\u003c\/li\u003e\n\u003cli\u003eWaterproof, Gas-Purged Construction\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eExplore Scientific 92° ED Series 14mm Waterproof Eyepiece\u003c\/h2\u003e\n\u003cp\u003eThe Explore Scientific 92° ED Series 14mm Waterproof Eyepiece delivers an exceptionally immersive, ultra-wide viewing experience in a 2-inch barrel format. Its 92° apparent field of view provides a \"spacewalk\" perspective, allowing you to see large swaths of the sky and frame extensive deep-sky objects without panning your telescope.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eThe 92° Apparent Field: A Spacewalk-Like View\u003c\/h3\u003e\n\u003cp\u003eWith a 92° apparent field, this eyepiece renders an image that can fill your entire field of vision, creating the sensation of looking through a spaceship porthole rather than an eyepiece. This ultra-wide perspective is ideal for observing large nebulae like the North American Nebula (NGC 7000) or scanning the dense star fields of the Milky Way, as it keeps the object comfortably framed with a dark sky border.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003e14mm Focal Length with ED Glass: High-Contrast Views\u003c\/h3\u003e\n\u003cp\u003eThe 14mm focal length provides moderate magnification, making it a versatile workhorse for a wide range of celestial targets. An integrated Extra-Low Dispersion (ED) glass element significantly reduces chromatic aberration, or color fringing, which is especially noticeable on bright objects like Jupiter and the lunar limb. This results in sharper, higher-contrast images with more accurate color rendition across the field.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eWaterproof, Purged Body in a 2-Inch Format\u003c\/h3\u003e\n\u003cp\u003eDesigned for durability in the field, the eyepiece is fully waterproofed and purged with an inert gas. This prevents internal fogging during nights with high humidity or rapid temperature drops and protects the internal lens surfaces from dust and fungus. The robust 2-inch barrel provides a secure connection to the focuser and is necessary to accommodate the large lens elements required for the ultra-wide 92° field.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eExplore Scientific 14mm 92° vs. Tele Vue 13mm Nagler: Field of View and Features\u003c\/h3\u003e\n\u003cp\u003eWhen choosing an ultra-wide eyepiece, a common comparison is with the Tele Vue Nagler series. The 13mm Nagler is a benchmark for edge-of-field sharpness and correction in a compact format.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eApparent Field of View:\u003c\/strong\u003e The Tele Vue 13mm Nagler offers an 82° apparent field. The Explore Scientific eyepiece provides a noticeably larger 92° field, increasing the sense of immersion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeatherproofing:\u003c\/strong\u003e The Explore Scientific 92° series is gas-purged and waterproof, a significant advantage for observers in humid climates or those concerned with long-term durability. The Nagler series is not sealed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEye Relief:\u003c\/strong\u003e Both eyepieces have similar eye relief, though the longer eye relief of the Explore Scientific design may be more comfortable for some observers during extended sessions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBarrel Size:\u003c\/strong\u003e The Explore Scientific 14mm uses a 2-inch barrel exclusively, while the 13mm Nagler is a dual-format 1.25\"\/2\" design, offering more flexibility for different focusers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat kind of objects is the Explore Scientific 14mm 92° eyepiece best for?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThis eyepiece excels at observing large deep-sky objects where a wide, immersive field is beneficial. It's ideal for open star clusters like the Pleiades (M45), large emission nebulae like the Orion Nebula (M42), and for scanning the star clouds of Sagittarius in the Milky Way.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow will the 14mm 92° eyepiece perform in my 8-inch f\/10 SCT?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eIn a typical 8\" f\/10 Schmidt-Cassegrain with a 2032mm focal length, the 14mm eyepiece will provide 145x magnification. This is an excellent medium-high power for resolving detail in globular clusters like the Hercules Cluster (M13) and viewing planetary nebulae, all while enjoying the expansive 92° field.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the Explore Scientific 14mm 92° eyepiece good for fast telescopes like an f\/4.5 Dobsonian?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eUltra-wide eyepieces can be demanding on fast optical systems. While the Explore Scientific 92° series is well-corrected, you may notice some astigmatism or coma at the very edges of the field in telescopes faster than f\/5. Using a coma corrector with a fast Newtonian is highly recommended to get the best performance across the full 92° field.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat does \"waterproof and purged\" mean for the 14mm 92° eyepiece?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe eyepiece barrel is sealed with O-rings and filled with an inert gas (like argon or nitrogen). This has two main benefits:\n\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIt prevents moisture from getting inside the eyepiece on dewy nights, stopping internal fogging.\u003c\/li\u003e\n\u003cli\u003eIt keeps dust, pollen, and fungus from contaminating the internal lens surfaces over the life of the eyepiece.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhy does this eyepiece only come in a 2-inch barrel?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eTo achieve a 92° apparent field of view at a 14mm focal length, the lenses must be very large. A standard 1.25-inch barrel is physically too small to accommodate the required lens diameter without severe vignetting (cutting off the light path), so a 2-inch barrel is necessary.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDoes the long eye relief on the Explore Scientific 14mm 92° help with eyeglasses?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, the long eye relief is designed to provide a more comfortable viewing experience, especially for observers who wear glasses to correct for astigmatism. You should be able to see a significant portion of the wide field of view with your glasses on, though seeing the absolute edge may still require careful eye placement.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/davidastro.com\/pages\/explore-scientific-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eExplore Scientific Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Explore Scientific","offers":[{"title":"Default Title","offer_id":52909357826333,"sku":"ES-EPWP9214ED-01","price":630.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/ExploreScientific-92-ED-Series-14mm-Waterproof-Eyepiece-1_8aca00c4-046a-459a-a59a-7371285e1a80.jpg?v=1789061431"}],"url":"https:\/\/davidastro.com\/fr\/collections\/explore-scientific-eyepieces.oembed","provider":"David Astro","version":"1.0","type":"link"}