{"product_id":"ioptron-p-fa30-ca","title":"iOptron iAFS3 3'' Camera Adapter","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e3-inch Barrel Diameter\u003c\/li\u003e\n\u003cli\u003eProvides Secure Connection for Imaging Cameras\u003c\/li\u003e\n\u003cli\u003eMinimizes Flexure in the Optical Train\u003c\/li\u003e\n\u003cli\u003eDesigned for Large Format Focusers\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\u003eiOptron iAFS3 3'' Camera Adapter\u003c\/h2\u003e\n      \u003cp\u003eThe iOptron iAFS3 3'' Camera Adapter creates a rigid, large-format connection point between your telescope's 3-inch focuser and your imaging camera, essential for eliminating flexure with heavy payloads.\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 3\" Connection for Your Imaging Train\u003c\/h3\u003e\n      \u003cp\u003eFor imagers using full-frame sensors or heavy camera packages, a standard 2-inch connection can introduce tilt and flexure, resulting in distorted stars at the edge of the field. The iAFS3 3'' Camera Adapter addresses this by providing a larger, more robust interface that locks your camera securely to the optical axis. This ensures your entire imaging train—from focuser to sensor—remains perfectly aligned throughout an exposure.\u003c\/p\u003e\n      \u003cp\u003eThe larger 3-inch barrel also helps prevent vignetting on large sensors, ensuring the field is fully illuminated. While this adapter requires a compatible 3-inch focuser or rotator, it is a critical component for building a stable, wide-field imaging system capable of producing professional-quality results.\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 primary purpose of the iOptron iAFS3 3'' Camera Adapter?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThe primary purpose of the \u003cstrong\u003eiOptron iAFS3 3'' Camera Adapter\u003c\/strong\u003e is to provide a secure, large-diameter connection between a telescope's 3-inch focuser and an astrophotography camera. This minimizes mechanical flexure and ensures optimal alignment for imaging.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWhy would I choose a 3'' adapter like the iAFS3 over a smaller 2'' adapter?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eA 3-inch adapter like the iAFS3 offers significantly more rigidity than a 2-inch equivalent, which is crucial when using heavy cameras or filter wheels. The larger diameter also provides a wider, unvignetted light path for illuminating large, full-frame imaging sensors.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWhat kind of imaging setup benefits most from the iAFS3 3'' Camera Adapter?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eSetups using \u003cstrong\u003elarge-format CMOS or CCD cameras\u003c\/strong\u003e (such as full-frame or larger) benefit most from the iAFS3. It is ideal for wide-field refractors or astrographs where maintaining a flat, fully illuminated field is critical for capturing large deep-sky objects like the North America Nebula (NGC 7000).\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the iAFS3 3'' Camera Adapter help prevent image defects?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eBy creating a solid, non-flexing connection, the iAFS3 helps prevent common image defects like \u003cstrong\u003estar elongation\u003c\/strong\u003e or \u003cstrong\u003efield tilt\u003c\/strong\u003e. These issues are often caused by the weight of the camera package pulling on a smaller, less secure adapter during a long exposure.\u003c\/p\u003e\n  \u003c\/div\u003e\n    \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eIs the iAFS3 3'' Camera Adapter compatible with any telescope?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eNo, the iAFS3 is specifically designed for telescopes equipped with a \u003cstrong\u003e3-inch focuser\u003c\/strong\u003e or accessory port. It will not fit standard 1.25-inch or 2-inch focusers without additional, specialized adapters which may re-introduce flexure.\u003c\/p\u003e\n  \u003c\/div\u003e\n    \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWhen imaging large targets like the Andromeda Galaxy (M31) with a fast refractor, how does the iAFS3 help?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eFor a large target like the Andromeda Galaxy (M31), you would typically use a full-frame sensor to capture its full extent. The iAFS3 3'' Camera Adapter ensures that the large sensor is fully illuminated by the telescope's optics without vignetting, preserving brightness and detail across the entire frame.\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\u003ca href=\"https:\/\/davidastro.com\/pages\/ioptron-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eiOptron 2-Year Limited Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"iOptron","offers":[{"title":"Default Title","offer_id":52917289877789,"sku":"IOP-P-FA30-CA","price":39.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/iOptron-iAFS3-3-Camera-Adapter-1_ec4dccc7-9829-4a69-9576-766d09b117c6.jpg?v=1789141990","url":"https:\/\/davidastro.com\/fr-us\/products\/ioptron-p-fa30-ca","provider":"David Astro","version":"1.0","type":"link"}