{"product_id":"qhyccd-12-5mm-m42-nikon-f-lens-adapter","title":"QHYCCD M42\/M54 Threads-Canon EF\/Nikon F DSLR Lens Adapter","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eConnects Canon EF and Nikon F mount DSLR lenses to astronomy cameras\u003c\/li\u003e\n\u003cli\u003eFeatures both M42 (T-thread) and M54 female threads for camera-side connection\u003c\/li\u003e\n\u003cli\u003eProvides 12.5mm of optical path length for Nikon F-mount lenses\u003c\/li\u003e\n\u003cli\u003eEnables wide-field astrophotography with high-quality camera optics\u003c\/li\u003e\n\u003cli\u003eAll-metal construction for a secure, flex-free connection\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\u003eM42\/M54 Threads-Canon EF\/Nikon F DSLR Lens Adapter\u003c\/h2\u003e\n      \u003cp\u003eThis M42\/M54 Threads-Canon EF\/Nikon F DSLR Lens Adapter lets you attach high-quality photographic lenses directly to your dedicated astronomy camera. It provides the standard 12.5mm back focus required for Nikon F-mount lenses to reach infinity focus and offers both M42 and M54 camera-side threads for broad compatibility with popular imaging systems.\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\u003eUse Canon EF \u0026amp; Nikon F Lenses with Your M42\/M54 Astro Camera\u003c\/h3\u003e\n      \u003cp\u003eUnlock the potential of your fast, wide-field DSLR lenses for astrophotography. This adapter allows you to bypass the telescope entirely, turning your sensitive astronomy camera and a telephoto lens into a powerful instrument for capturing large targets like the Andromeda Galaxy (M31) or the Rho Ophiuchi cloud complex.\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eWide-Field Imaging:\u003c\/strong\u003e Use lenses from 50mm to 300mm to frame enormous nebulae that are too large for most telescopes.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eFast Optics:\u003c\/strong\u003e Take advantage of the fast focal ratios (f\/2.8, f\/4) of photographic lenses to gather significant signal in shorter exposures.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eDual-Thread System:\u003c\/strong\u003e The adapter's female M42x0.75 (T-thread) and M54x0.75 threads ensure it can connect to a wide range of cameras and filter wheels without needing additional parts.\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\u003ePrecision Spacing: The 12.5mm Standard for Nikon F-Mount Lenses\u003c\/h3\u003e\n      \u003cp\u003eAchieving a sharp, focused image across the entire frame depends on precise spacing between the lens and the sensor. This adapter is specifically machined to provide 12.5mm of optical path length, which is the exact distance required to bring a Nikon F-mount lens to infinity focus when connected to a camera with a standard T-thread (M42) interface.\u003c\/p\u003e\n      \u003cp\u003eWhile the adapter also physically mounts Canon EF lenses, the spacing is optimized for the Nikon F standard. Canon EF systems require a different back focus distance, which may necessitate additional spacers for optimal performance depending on your camera's sensor depth.\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 purpose of the M42\/M54 DSLR Lens Adapter?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThis adapter's primary function is to connect a \u003cstrong\u003eCanon EF\u003c\/strong\u003e or \u003cstrong\u003eNikon F\u003c\/strong\u003e mount photographic lens to a dedicated astronomy camera that uses \u003cstrong\u003eM42 (T-thread)\u003c\/strong\u003e or \u003cstrong\u003eM54\u003c\/strong\u003e threads. This allows you to use high-quality, fast camera lenses for wide-field astrophotography.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWhich camera threads are compatible with this adapter?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThe adapter features female \u003cstrong\u003eM42x0.75\u003c\/strong\u003e (the standard T-thread) and \u003cstrong\u003eM54x0.75\u003c\/strong\u003e threads on the camera side. This dual-thread design provides flexibility for connecting to a wide variety of astronomy cameras, filter wheels, and other accessories.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the 12.5mm spacing on this adapter work for Nikon F lenses?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eNikon F-mount lenses require a specific distance from their mounting flange to the camera sensor to achieve infinity focus. This adapter provides exactly \u003cstrong\u003e12.5mm\u003c\/strong\u003e of spacing, which is the standard required to adapt these lenses to the common M42 T-thread system, ensuring sharp stars across the field.\u003c\/p\u003e\n  \u003c\/div\u003e\n    \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use this M42\/M54 DSLR Lens Adapter to image the North American Nebula (NGC 7000)?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eYes, absolutely. The North American Nebula is a very large target, making it a perfect subject for this type of setup. Using this adapter with an astronomy camera and a telephoto lens (e.g., 135mm or 200mm) will allow you to frame the entire nebula complex beautifully.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWill this adapter work correctly with my Canon EF 50mm f\/1.8 lens?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThe adapter will physically mount a Canon EF lens like the 50mm f\/1.8. However, its 12.5mm thickness is optimized for the Nikon F-mount back focus standard. Canon EF lenses have a different back focus requirement, so you may need to add or remove spacers in your imaging train to achieve perfect focus, depending on your specific camera.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eDo I need other accessories to use this M42\/M54 DSLR Lens Adapter?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eBesides the adapter, your lens, and your camera, you will need a method to mount the setup. Since you are not using a telescope, you'll typically mount the camera\/lens combination directly to your equatorial mount using a dovetail bar and a tripod ring for the lens or a clamp for the camera body.\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\u003eLens Mount Compatibility\u003c\/td\u003e\n\u003ctd\u003eCanon EF \/ Nikon F\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eCamera Thread Compatibility\u003c\/td\u003e\n\u003ctd\u003eM42x0.75 (T-Thread) \/ M54x0.75\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eOptical Path Length (for Nikon F)\u003c\/td\u003e\n\u003ctd\u003e12.5mm\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\u003cul class=\"DAV-grid\"\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003eThis product is covered by the manufacturer's warranty. Please contact us for details regarding claims and support.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"QHYCCD","offers":[{"title":"Default Title","offer_id":52942983201053,"sku":"QHY-020098","price":35.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/QHYCCD-M42-M54-Threads-Canon-EF-Nikon-F-DSLR-Lens-Adapter-1_a607f7f4-a231-4a0c-b20a-f01d513e86a9.jpg?v=1789614784","url":"https:\/\/davidastro.com\/fr-us\/products\/qhyccd-12-5mm-m42-nikon-f-lens-adapter","provider":"David Astro","version":"1.0","type":"link"}