{"product_id":"tele-vue-canon-wide-t-adapter-w-bayonet-for-2-4-inch","title":"Tele Vue Canon Wide T Adapter w-Bayonet for 2.4\"","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eConnections: Canon EOS Bayonet (Camera Side) \/ Tele Vue 2.4\" Thread (Telescope Side)\u003c\/li\u003e\n\u003cli\u003eClear Aperture: 25% larger than standard T-rings\u003c\/li\u003e\n\u003cli\u003eApplication: Prime focus astrophotography\u003c\/li\u003e\n\u003cli\u003eCompatibility: Tele Vue \"is\" refractors and Imaging System accessories\u003c\/li\u003e\n\u003cli\u003eModel: CWT-2070\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\u003eManuals\/Downloads\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\u003eEliminate Vignetting for Full-Frame Canon Astrophotography\u003c\/h2\u003e\n\u003cp\u003eThe Tele Vue Canon Wide T Adapter with Bayonet for 2.4\" (CWT-2070) is an essential component for any astrophotographer using a Canon EOS camera with a Tele Vue Imaging System telescope. It replaces the restrictive, standard T-ring with a direct, wide-aperture connection engineered to illuminate full-frame and APS-C sensors without compromise. This adapter ensures your camera captures the entire, unvignetted light cone delivered by your telescope's 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\u003eA Wider Path for Unobstructed Light\u003c\/h3\u003e\n\u003cp\u003eA standard T-ring, with its 42mm T-thread opening, acts as a bottleneck, constricting the light path from your telescope's focuser to the camera sensor. This effect, known as vignetting, darkens the corners of your images and discards valuable signal. The Tele Vue Canon Wide T Adapter solves this by providing a 25% larger clear aperture, taking full advantage of the wide Canon bayonet mount to deliver even illumination from edge to edge.\u003c\/p\u003e\n\u003cp\u003eFor imagers using full-frame DSLRs or mirrorless bodies, this is not a minor improvement. It is the difference between a fully usable frame and one that requires aggressive cropping and flat-field correction. With this adapter, the faint outer details of galaxies and nebulae are preserved across the entire field of view, just as the telescope's optics intended.\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\u003eEngineered for the Tele Vue Imaging System\u003c\/h3\u003e\n\u003cp\u003eThis adapter is designed to integrate flawlessly into the Tele Vue ecosystem. The telescope side features the robust 2.4-inch thread common to all Tele Vue \"is\" refractors (like the NP-101is and NP-127is) and their family of Imaging System accessories. This threaded connection provides a rigid, flexure-free attachment point that is critical for long-exposure astrophotography.\u003c\/p\u003e\n\u003cp\u003eBy maintaining a secure, threaded train, you eliminate the potential for tilt and misalignment that can occur with slip-fit or compression-ring adapters. The result is a consistently sharp field with round stars, ensuring your optical system performs at its diffraction-limited best. The adapter connects directly to accessories like the Large Field Corrector (LCL-1069) or the 0.8x Reducer (NPR-2073) to achieve the correct back focus.\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\u003eNative Canon EOS Bayonet Connection\u003c\/h3\u003e\n\u003cp\u003eThe camera side of the adapter is a precisely machined Canon EF bayonet mount. This allows your camera body to click and lock into place with the same security as a native Canon lens. No separate, generic T-ring is required, reducing complexity and potential sources of mechanical play in your imaging train.\u003c\/p\u003e\n\u003cp\u003eThis native connection is a significant upgrade over two-part T-ring and T-adapter combinations. The solid, one-piece design ensures your camera sensor remains perfectly orthogonal to the optical axis, a fundamental requirement for achieving sharp focus across the entire sensor. It is compatible with all Canon EOS DSLR cameras and mirrorless models when using a standard EF-to-RF mount adapter.\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\u003eMaximized Contrast Through Stray Light Control\u003c\/h3\u003e\n\u003cp\u003eLike all Tele Vue components, the interior of the Canon Wide T Adapter is engineered for maximum contrast. The internal surfaces are blackened and feature anti-reflection micro-baffles. This design traps stray light before it can reach the sensor and reduce the subtle contrast in faint deep-sky objects.\u003c\/p\u003e\n\u003cp\u003eThis attention to detail ensures that the high-contrast performance of your Tele Vue refractor is not degraded by internal reflections within the adapter. The background of your images will remain dark and neutral, allowing the faintest structures in your target to be captured with clarity.\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 Camera Adapter\u003c\/h3\u003e\n\u003cp\u003eTele Vue offers several adapters for their Imaging System, and choosing the right one depends on your camera and goals.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCanon Wide T Adapter (CWT-2070)\u003c\/strong\u003e: The ideal choice for any Canon EOS user with a Tele Vue \"is\" scope or 2.4\" accessory. It provides the largest possible aperture to prevent vignetting, especially on full-frame sensors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard T-Ring Adapter (TRG-1072)\u003c\/strong\u003e: A more universal option that accepts any brand-specific 42mm T-ring. However, it will introduce some degree of vignetting on sensors larger than APS-C format due to the smaller T-thread diameter. It is a workable solution but not optimal for full-frame cameras.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNikon F Wide T Adapter (NWT-2073)\u003c\/strong\u003e: This is the direct equivalent of the CWT-2070, but designed for the Nikon F-mount. It provides the same anti-vignetting benefits for Nikon DSLR and Z-series (with FTZ adapter) users.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor Canon imagers seeking to extract the maximum performance from their Tele Vue optics, the CWT-2070 is the definitive connection.\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\"\u003eWill this adapter reduce vignetting on my full-frame Canon camera?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. This is its primary design purpose. The Tele Vue Canon Wide T Adapter provides a 25% larger clear aperture than a standard T-ring, significantly reducing or eliminating vignetting on full-frame and APS-C sensors when used with Tele Vue's 2.4\" Imaging System.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs this adapter compatible with my non-Tele Vue telescope?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThis adapter is specifically designed with a 2.4\" thread for Tele Vue \"is\" telescopes and accessories. To use it with a standard 2\" focuser, you would need the Tele Vue Imaging System Nosepiece for 2\" Focuser (RAD-1074), which converts the 2.4\" thread to a 2\" barrel.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDo I need a separate T-ring with this adapter?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo. The CWT-2070 has an integrated Canon EOS bayonet mount, so it attaches directly to your camera body without the need for a separate T-ring.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does this compare to the Tele Vue TRG-1072 Standard T-Ring Adapter?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe CWT-2070 (this product) has a much wider internal opening to prevent vignetting with large camera sensors. The TRG-1072 uses the standard, more restrictive 42mm T-thread and is better suited for smaller sensors or situations where vignetting is less of a concern.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWill this work with my Canon EOS R mirrorless camera?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, it will work perfectly when you use the standard Canon EF-EOS R Mount Adapter that comes with your camera. The bayonet connection on the Wide T Adapter is for the Canon EF mount.\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\u003eModel Number\u003c\/td\u003e\n\u003ctd\u003eCWT-2070\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCamera Connection\u003c\/td\u003e\n\u003ctd\u003eCanon EOS EF Bayonet Mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTelescope Connection\u003c\/td\u003e\n\u003ctd\u003eTele Vue 2.4\" Female Thread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003ePrime Focus Astrophotography\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVignetting Performance\u003c\/td\u003e\n\u003ctd\u003eMinimized for full-frame sensors\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\u003cimg class=\"DAV-img-box\" alt='Tele Vue Canon Wide T Adapter w\/Bayonet for 2.4\"' src=\"\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eTele Vue Canon Wide T Adapter w\/Bayonet for 2.4\"\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:\/\/www.televue.com\/engine\/TV3b_page.asp?id=53\u0026amp;Tab=_acc#CWT\" 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 Instructions\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":51223883743517,"sku":"TV-CWT-2070","price":69.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Tele_Vue_Canon_Wide_T_Adapter_1.jpg?v=1777515020","url":"https:\/\/davidastro.com\/en-int\/products\/tele-vue-canon-wide-t-adapter-w-bayonet-for-2-4-inch","provider":"David Astro","version":"1.0","type":"link"}