{"product_id":"tele-vue-panoptic-35mm-68-eyepiece","title":"Tele Vue Panoptic 35mm 68° Eyepiece - 2\"","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e35mm Focal Length\u003c\/li\u003e\n\u003cli\u003e68° Apparent Field of View\u003c\/li\u003e\n\u003cli\u003e2\" Diameter Barrel\u003c\/li\u003e\n\u003cli\u003e24mm Eye Relief\u003c\/li\u003e\n\u003cli\u003e38.7mm Field Stop\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\u003eTele Vue Panoptic 35mm 68° Eyepiece - 2\"\u003c\/h2\u003e\n      \u003cp\u003eThe Tele Vue Panoptic 35mm is a high-contrast wide-field optic designed to provide a large true field of view while maintaining a manageable exit pupil in faster telescope systems. Utilizing a six-element configuration, it offers a 68° apparent field that remains sharp to the edge even in f\/5 Newtonians. It is a preferred choice for observers seeking a primary low-power eyepiece that balances immersive framing with the ability to darken sky backgrounds more effectively than 40mm+ alternatives.\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\u003e38.7mm Field Stop and Framing Deep-Sky Targets\u003c\/h3\u003e\n      \u003cp\u003eWith a 38.7mm physical field stop, the 35mm Panoptic captures expansive celestial structures such as the Andromeda Galaxy (M31) or the Double Cluster in Perseus (NGC 869\/884). In a 1200mm focal length telescope, it yields 34x magnification and a 1.9° true field, providing sufficient context to view the Hercules Cluster (M13) alongside its surrounding star field. The optical design prioritizes a flat field, minimizing the pincushion distortion often found in wide-angle eyepieces of this focal length.\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eAstigmatism Control:\u003c\/strong\u003e The internal lens geometry is optimized to maintain point-like star images across the 68° field in f\/4.5 to f\/6 systems.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003e24mm Eye Relief:\u003c\/strong\u003e This generous distance allows the full apparent field to be visible for those wearing eyeglasses, reducing the need to remove corrective lenses during observation.\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\u003eHandling and Ergonomics\u003c\/h3\u003e\n      \u003cp\u003eThe 35mm Panoptic features a scalloped rubber grip ring that ensures secure handling, especially when wearing gloves in cold environments. It includes an adjustable, fold-down rubber eyeguard that helps block peripheral light and provides a stable reference point for eye placement. The 1.6-lb housing is robust yet lighter than ultra-wide alternatives, making it easier to balance on a variety of telescope mounts without frequent adjustment of counterweights.\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\u003eOperational Comparison and System Choice\u003c\/h3\u003e\n      \u003cp\u003eSelecting the 35mm Panoptic involves weighing exit pupil size and magnification against the mechanical limits of the 2-inch format.\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003evs. Tele Vue 41mm Panoptic:\u003c\/strong\u003e The 35mm provides 17% higher magnification, which results in a darker sky background and a 7.7mm exit pupil in f\/4.5 systems—closer to the human eye's maximum dilation than the 9.1mm of the 41mm.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003evs. Tele Vue 27mm Panoptic:\u003c\/strong\u003e While the 27mm is more compact, the 35mm offers a 27% larger field stop, capturing significantly more true field for large-scale nebula scanning.\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWill the Tele Vue Panoptic 35mm show a secondary mirror shadow in my Newtonian?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eIn very fast systems (f\/4 or below), the 7.7mm exit pupil may exceed your eye's dilation, potentially making the secondary mirror shadow visible as a dark spot. This is most common during daytime use or when observing bright targets like the Moon in fast telescopes.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use the Tele Vue Panoptic 35mm with a Tele Vue Paracorr?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eYes, the 35mm Panoptic is fully compatible with the Tele Vue Paracorr Type 2, which corrects coma in fast Newtonians (f\/3 to f\/5). This combination provides sharp star images from the center to the very edge of the 68° apparent field.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eIs the Tele Vue Panoptic 35mm compatible with Dioptrx?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eYes, the 35mm Panoptic is designed to accept Dioptrx astigmatism correctors on the top of the eyepiece, allowing you to observe without eyeglasses while still correcting for your specific eyesight astigmatism.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the Tele Vue Panoptic 35mm perform on an 8-inch SCT?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eOn an 8\" f\/10 Schmidt-Cassegrain, it produces 57x magnification and a 3.5mm exit pupil, providing a 1.1° true field. This is an ideal low-power setting that maintains high contrast against the sky background while framing objects like the Pleiades (M45).\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWhy is the field stop smaller than the 41mm Panoptic?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThe 38.7mm field stop is a result of the 35mm focal length and 68° apparent field design; the 41mm Panoptic utilizes the maximum 46mm limit of the 2-inch barrel to achieve an even wider true field at lower magnification.\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\u003eModel #\u003c\/td\u003e\n\u003ctd\u003eEPO-35.0\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eFocal Length\u003c\/td\u003e\n\u003ctd\u003e35 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eBarrel Size\u003c\/td\u003e\n\u003ctd\u003e2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eApparent Field of View\u003c\/td\u003e\n\u003ctd\u003e68°\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eEye Relief\u003c\/td\u003e\n\u003ctd\u003e24 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eField Stop Diameter\u003c\/td\u003e\n\u003ctd\u003e38.7 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e25.6 oz (1.6 lb)\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      \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Tele-Vue-Panoptic-35mm-Eyepiece-1.jpg?v=1776305675\" alt=\"Tele Vue Panoptic 35mm Eyepiece\" class=\"DAV-img-box\"\u003e\n      \u003cdiv\u003e\n        \u003cp class=\"DAV-item-title\"\u003e35mm Panoptic 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      \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/TeleVue-2inch-Dustcap.jpg\" alt=\"Tele Vue 2-inch Dust Cap\" class=\"DAV-img-box\"\u003e\n      \u003cdiv\u003e\n        \u003cp class=\"DAV-item-title\"\u003eDust Caps\u003c\/p\u003e\n        \u003cp class=\"DAV-item-subtitle\"\u003e× 2\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\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Tele-Vue-35mm-Panoptic-Eyepiece-Manual.pdf?v=1776305956\" 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\n\u003cli\u003e\n\u003ca href=\"https:\/\/davidastro.com\/pages\/televue-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eTeleVue 5-Year Limited Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"TeleVue","offers":[{"title":"Default Title","offer_id":51175027081501,"sku":"TV-EPN-35.0","price":485.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Tele-Vue-Panoptic-35mm-Eyepiece-1.jpg?v=1776305675","url":"https:\/\/davidastro.com\/en-eu\/products\/tele-vue-panoptic-35mm-68-eyepiece","provider":"David Astro","version":"1.0","type":"link"}