{"product_id":"tele-vue-delos-14mm-72-degree-eyepiece","title":"Tele Vue Delos 14mm 72° Eyepiece - 1.25\"","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eFocal Length: 14mm\u003c\/li\u003e\n\u003cli\u003eApparent Field of View: 72°\u003c\/li\u003e\n\u003cli\u003eBarrel Size: 1.25\"\u003c\/li\u003e\n\u003cli\u003eEye Relief: 20mm\u003c\/li\u003e\n\u003cli\u003eField Stop Diameter: 17.4mm\u003c\/li\u003e\n\u003cli\u003eDioptrx-Ready: Yes\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\u003ePlanetary Contrast Meets Immersive Views: The Delos 14mm Eyepiece\u003c\/h2\u003e\n\u003cp\u003eThe Tele Vue Delos 14mm 72° Eyepiece is a high-performance 1.25\" eyepiece that delivers the sharpness, contrast, and color fidelity of a planetary eyepiece across an immersive, medium-power field of view. It is engineered for observers who refuse to compromise on optical purity but desire a more expansive window on the universe than traditional designs allow. This eyepiece excels at revealing fine detail on solar system objects while providing enough field to frame globular clusters and smaller nebulae against a dark, uniform background.\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\u003eAdvanced Optical Design for High-Fidelity Views\u003c\/h3\u003e\n\u003cp\u003eAt the heart of the Delos is a sophisticated optical system designed to create a flat, high-contrast, and distortion-free image. Every glass surface is fully multi-coated to maximize light transmission and minimize scatter, resulting in views that are exceptionally bright with a neutral color balance. The internal baffling and blackened lens edges further enhance contrast by eliminating internal reflections that can wash out faint details.\u003c\/p\u003e\n\u003cp\u003eFor you, this means that bright objects like Jupiter and Saturn snap into focus with sharp, well-defined edges, free of distracting internal glare or false color. Faint planetary cloud belts and subtle lunar rilles are rendered with clarity, while the true colors of stars are preserved, making it an excellent choice for resolving tight 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\u003eThe 72° Apparent Field of View Sweet Spot\u003c\/h3\u003e\n\u003cp\u003eThe Delos's 72° apparent field of view (AFOV) provides a tangible sense of immersion without introducing the edge-of-field aberrations often found in more extreme wide-field designs. This field is wide enough to feel expansive, allowing you to comfortably track objects in a non-driven telescope without them drifting out of view too quickly. The optical correction ensures stars remain sharp points across the entire field, even in faster f\/ratio telescopes.\u003c\/p\u003e\n\u003cp\u003eOn a target like the Hercules Globular Cluster (M13), the 14mm Delos in a 10-inch f\/10 Schmidt-Cassegrain provides 179x magnification. This is enough power to resolve the dense core into a spray of individual stars, while the 72° field is wide enough to frame the entire cluster with surrounding dark sky, giving it a distinct three-dimensional appearance.\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\u003eConsistent 20mm Eye Relief for Viewing Comfort\u003c\/h3\u003e\n\u003cp\u003eEvery eyepiece in the Delos line features a constant 20mm of eye relief, a generous distance that allows most observers, including those who wear glasses for astigmatism, to see the entire field of view without strain. This consistent specification across the series means you can switch between different Delos focal lengths without needing to readjust your viewing position. The long eye relief reduces eye fatigue during extended observing sessions, letting you concentrate on the object, not on finding a comfortable head position.\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\u003ePrecision Adjustable and Locking Eyeguard\u003c\/h3\u003e\n\u003cp\u003eTo make perfect use of the long eye relief, the Delos incorporates a sliding, locking eyeguard mechanism. This allows you to set the ideal distance between your eye and the top lens and lock it in place, preventing accidental shifts during use. By customizing the eyeguard height, you can effectively block stray light and maintain the correct eye placement needed to see the full 72° field without experiencing blackouts or kidney-beaning effects.\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\u003eReady for Dioptrx Astigmatism Correction\u003c\/h3\u003e\n\u003cp\u003eA key feature for many observers is the Delos's compatibility with Tele Vue's Dioptrx system. The top of the eyepiece is threaded to accept these astigmatism correctors directly, allowing you to observe without your eyeglasses while still achieving perfectly sharp star images. This creates a more direct and unencumbered connection to the eyepiece, eliminating the reflections and field reduction that can occur when looking through both your glasses and the eyepiece optics.\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\u003eDurable 1.25\" Barrel with Filter Threads\u003c\/h3\u003e\n\u003cp\u003eThe Delos 14mm uses a standard 1.25\" chrome barrel for broad compatibility with any telescope accepting this format. The barrel features a safety undercut to help prevent the eyepiece from accidentally slipping out of the focuser or diagonal. It is also threaded to accept standard 1.25\" filters, allowing you to easily add a moon filter, light pollution filter, or planetary color filter to enhance your views without needing separate adapters.\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\u003eChoosing Your Mid-Power Eyepiece: Delos vs. Nagler and Panoptic\u003c\/h3\u003e\n\u003cp\u003eThe Delos series occupies a specific niche in the Tele Vue lineup, trading the extreme field of a Nagler for superior contrast and eye relief.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003evs. Nagler Type 6 13mm:\u003c\/strong\u003e The Nagler offers a wider 82° apparent field, creating a more dramatic \"spacewalk\" effect. However, the Delos 14mm provides significantly more eye relief (20mm vs. 12mm) and is often perceived as having higher contrast, making it a better choice for planetary detail and for observers who require eyeglasses.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003evs. Panoptic 15mm:\u003c\/strong\u003e The Panoptic offers a 68° field and is a smaller, lighter eyepiece. The Delos provides a slightly larger and more corrected field of view with longer eye relief, making it a step up in viewing comfort and edge performance for a modest increase in size and weight. The choice here is often between maximum portability (Panoptic) and a more immersive, comfortable experience (Delos).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe genuine trade-off for the Delos's performance is its size and weight compared to simpler designs like Plössls or the Panoptic series. It requires a robust focuser and may necessitate rebalancing the telescope when swapping with much lighter eyepieces. For many, this is a minor inconvenience for the level of optical quality and viewing comfort it provides.\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\"\u003eIs the Delos 14mm good for planetary viewing?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, it excels at it. The Delos line is known for high-contrast, sharp optics with neutral color, making it ideal for discerning fine details on Jupiter's cloud bands, Saturn's rings, and features on Mars.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the Delos 14mm compare to a Nagler 13mm?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Delos 14mm offers superior viewing comfort with 20mm of eye relief versus the Nagler's 12mm. While the Nagler has a wider 82° field, the Delos is often preferred by planetary observers for its perceived higher contrast and by anyone who wears glasses.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWill I need to use a Paracorr with the Delos 14mm in my Dobsonian?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eIn fast Dobsonians (f\/4.5 or lower), a coma corrector like the Tele Vue Paracorr is recommended with any eyepiece to ensure sharp stars across the entire field. The Delos is well-corrected, but it cannot fix the coma inherent in the telescope's mirror.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use the Delos 14mm if I wear glasses?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eAbsolutely. The long 20mm of eye relief is specifically designed to allow eyeglass wearers to see the full 72° field of view. If your glasses correct for astigmatism, you can also use Tele Vue's Dioptrx accessory instead of your glasses.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat's the purpose of the locking eyeguard?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe locking eyeguard allows you to set the perfect distance for your eye from the top lens and keep it there. This prevents \"blackouts\" or \"kidney-beaning\" and ensures you are always positioned to see the entire field comfortably, especially when sharing the view with others.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the Delos 14mm too heavy for a small telescope?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eAt 12.8 oz (363 g), it is a substantial eyepiece. While it will work well in most telescopes, you may need to rebalance smaller refractors or Dobsonians when switching from very lightweight eyepieces. A quality focuser is recommended.\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\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eTV-EDL-14.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Length\u003c\/td\u003e\n\u003ctd\u003e14mm\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\u003eApparent Field of View (AFOV)\u003c\/td\u003e\n\u003ctd\u003e72°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEye Relief\u003c\/td\u003e\n\u003ctd\u003e20mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eField Stop Diameter\u003c\/td\u003e\n\u003ctd\u003e17.4mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoatings\u003c\/td\u003e\n\u003ctd\u003eFully Multi-Coated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e12.8 oz \/ 363 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeight\u003c\/td\u003e\n\u003ctd\u003e4.3\" \/ 109mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Threads\u003c\/td\u003e\n\u003ctd\u003e1.25\" Standard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eParacorr Compatible\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDioptrx Compatible\u003c\/td\u003e\n\u003ctd\u003eYes\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\"\u003eTele Vue Delos 14mm Eyepiece\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eTop Dust Cap\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eBottom Dust Cap\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\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Tele_Vue_Delos_14mm_Eyepiece_Manual.pdf\" target=\"_blank\"\u003e\u003csvg class=\"DAV-img-box\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath d=\"M0 64C0 28.7 28.7 0 64 0L224 0l0 128c0 17.7 14.3 32 32 32l128 0 0 144-208 0c-35.3 0-64 28.7-64 64l0 144-48 0c-35.3 0-64-28.7-64-64L0 64zm384 64l-128 0L256 0 384 128zM176 352l32 0c30.9 0 56 25.1 56 56s-25.1 56-56 56l-16 0 0 32c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-48 0-80c0-8.8 7.2-16 16-16zm32 80c13.3 0 24-10.7 24-24s-10.7-24-24-24l-16 0 0 48 16 0zm96-80l32 0c26.5 0 48 21.5 48 48l0 64c0 26.5-21.5 48-48 48l-32 0c-8.8 0-16-7.2-16-16l0-128c0-8.8 7.2-16 16-16zm32 128c8.8 0 16-7.2 16-16l0-64c0-8.8-7.2-16-16-16l-16 0 0 96 16 0zm80-112c0-8.8 7.2-16 16-16l48 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 32 32 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 48c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-64 0-64z\" fill=\"#0047a7\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload Manual\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/davidastro.com\/pages\/tele-vue-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eTele Vue 5-Year Limited Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"TeleVue","offers":[{"title":"Default Title","offer_id":51223878697245,"sku":"TV-EDL-14.0","price":438.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Tele_Vue_Delos_14mm_Eyepiece_1.jpg?v=1777515020","url":"https:\/\/davidastro.com\/fr-int\/products\/tele-vue-delos-14mm-72-degree-eyepiece","provider":"David Astro","version":"1.0","type":"link"}