{"product_id":"baader-planetarium-2-inch-deluxe-eyepiece-clamp-for-sc-telescopes-with-2-inch-filter-thread","title":"Baader Planetarium 2\" Deluxe Eyepiece Clamp for SC-telescopes – with 2\" filter thread","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eAdapts Schmidt-Cassegrain telescopes to use 2-inch accessories\u003c\/li\u003e\n\u003cli\u003eInternal 2-inch filter thread for optical tube protection\u003c\/li\u003e\n\u003cli\u003eSecurely holds heavy diagonals and eyepieces\u003c\/li\u003e\n\u003cli\u003eMinimizes dust intrusion during eyepiece changes\u003c\/li\u003e\n\u003cli\u003eOptimized for Baader Planetarium 2-inch filters\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\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\u003e2\" Deluxe Eyepiece Clamp for SC-telescopes – with 2\" filter thread\u003c\/h2\u003e\n      \u003cp\u003eThe Baader 2\" Deluxe Eyepiece Clamp securely adapts your Schmidt-Cassegrain telescope to accept robust 2\" diagonals, eyepieces, and imaging accessories. Its defining feature is an integrated 2\" filter thread, allowing you to install a protective filter that permanently seals the optical tube from dust and debris.\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 Secure Upgrade to 2-Inch Accessories for SC Telescopes\u003c\/h3\u003e\n      \u003cp\u003eUpgrading your SCT's stock 1.25\" visual back to this 2-inch clamp unlocks the ability to use wide-field 2-inch eyepieces and heavy accessory loads with confidence. The robust clamping mechanism provides a more secure, non-marring grip than simple thumbscrews, ensuring your diagonal and camera train remain perfectly aligned and stable throughout the night.\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\u003eIntegrated 2-Inch Filter Thread for Permanent Optical Protection\u003c\/h3\u003e\n      \u003cp\u003eThe primary innovation of this adapter is the internal thread that accepts a standard 2-inch filter. By threading in a UV\/IR cut or light pollution filter, you create a barrier that prevents dust from entering the main optical tube—a common issue with SCTs. This significantly reduces the need for hazardous internal cleaning of your mirror and corrector plate.\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eDust-Free Operation:\u003c\/strong\u003e Change eyepieces or cameras without exposing your telescope's interior optics to the open air.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eFilter Compatibility:\u003c\/strong\u003e While it accepts most 2-inch filters, the clamp is specifically designed for the dimensions of Baader 2\" filters. Filters from other manufacturers with larger outer housings may not fit correctly.\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\u003eBaader Deluxe Clamp vs. Standard Visual Backs: Why the 2-Inch Filter Thread Matters\u003c\/h3\u003e\n      \u003cp\u003eWhile a basic visual back is a simple adapter, the Baader 2\" Deluxe Eyepiece Clamp is an integral part of your optical protection system. Standard adapters offer no defense against dust, which inevitably settles on your primary mirror and degrades contrast.\u003c\/p\u003e\n      \u003cp\u003eThe ability to seal the tube with a high-quality filter justifies the investment by preserving your telescope's optical cleanliness and saving you from future maintenance. For any SCT owner, especially those operating in dusty environments or performing high-resolution imaging, this added protection is a critical advantage.\u003c\/p\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 Baader 2\" Deluxe Eyepiece Clamp?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eIts primary advantage is the \u003cstrong\u003eintegrated 2-inch filter thread\u003c\/strong\u003e. This allows you to install a filter, such as a UV\/IR cut filter, directly into the visual back, effectively sealing your SCT's optical tube from dust and moisture while you change eyepieces or accessories.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWhich filters work with the Baader 2\" Deluxe Eyepiece Clamp?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThe clamp is designed to work with standard 2-inch mounted filters. However, it is optimized for the physical dimensions of \u003cstrong\u003eBaader Planetarium 2-inch filters\u003c\/strong\u003e. Some filters from other brands that have oversized outer housings may be too large to thread in properly.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eHow does this clamp help when imaging Jupiter with a Celestron 11\" SCT?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eWhen imaging planets at high magnification, any dust particles on your sensor or in the optical path (like on the primary mirror) can appear as distracting \"dust donuts.\" By installing a 2\" UV\/IR Cut filter into the Baader clamp, you seal the tube, preventing new dust from entering and settling on the optics during your imaging session. This results in cleaner data with fewer artifacts to process out later.\u003c\/p\u003e\n  \u003c\/div\u003e\n    \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWill this adapter allow me to use 2\" eyepieces on my Schmidt-Cassegrain telescope?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eYes. This is its core function as an adapter. It threads onto the standard rear cell of most Schmidt-Cassegrain telescopes (like those from Celestron and Meade) and provides a 2-inch opening with a secure clamping mechanism to hold 2-inch star diagonals, eyepieces, and other accessories.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eI live in a dusty area. Will this clamp protect my Meade LX200's optics?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eAbsolutely. For telescope owners in dusty or windy locations, this is an essential upgrade. By threading a clear or UV\/IR filter into the Baader 2\" Deluxe Eyepiece Clamp, you create a semi-permanent seal on your Meade LX200's rear port, drastically reducing the amount of dust that can accumulate on the primary mirror and corrector plate over time.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWhy is it so important to keep dust out of an SCT?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eUnlike refractors, SCTs have an open path from the rear cell directly to the primary mirror and internal surface of the corrector plate. Dust that enters can be very difficult and risky to clean. A significant accumulation of dust can scatter light, reducing image contrast and overall optical clarity. Sealing the tube is the best preventative measure.\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\u003eNet weight (kg)\u003c\/td\u003e\n\u003ctd\u003e0.17\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eScrew Type\u003c\/td\u003e\n\u003ctd\u003e2x M4 clamping screws\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Brands\u003c\/td\u003e\n\u003ctd\u003eUNC, Baader Planetarium, Celestron\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClamping System\u003c\/td\u003e\n\u003ctd\u003eScrew clamps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInner Diameter \/ Clear Aperture (mm)\u003c\/td\u003e\n\u003ctd\u003e47\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOuter Diameter\u003c\/td\u003e\n\u003ctd\u003e67\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType of Adapter\u003c\/td\u003e\n\u003ctd\u003eEyepiece Clamp, Filter holder\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical length (mm)\u003c\/td\u003e\n\u003ctd\u003e53\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eT-2 Part #\u003c\/td\u003e\n\u003ctd\u003e17A + 17B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInner Connection (eyepiece\/-camera-sided)\u003c\/td\u003e\n\u003ctd\u003eø 2\" (50.8mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOuter Connection (eyepiece\/-camera-sided)\u003c\/td\u003e\n\u003ctd\u003eS65\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInner Connection (lens sided)\u003c\/td\u003e\n\u003ctd\u003eM48, 2\"\/SCT Thread (50.8mm), M58\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOuter Connection (lens sided)\u003c\/td\u003e\n\u003ctd\u003eS65\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  \u003c\/ul\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003ca href=\"https:\/\/davidastro.com\/pages\/baader-planetarium-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eBaader Planetarium Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Baader Planetarium","offers":[{"title":"Default Title","offer_id":52913178018077,"sku":"BAA-2958144","price":102.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/BaaderPlanetarium-2-Deluxe-Eyepiece-Clamp-for-SC-telescopes-with-2-filter-thread-1_cfb39c5b-47e9-4138-b970-0b2b5b91f232.jpg?v=1789087302","url":"https:\/\/davidastro.com\/en-us\/products\/baader-planetarium-2-inch-deluxe-eyepiece-clamp-for-sc-telescopes-with-2-inch-filter-thread","provider":"David Astro","version":"1.0","type":"link"}