SVBONY M54x0.75 0.8x focal reducer and field flattener for refractor telescopes.
When combined with SVBNOY 70f6 ED, the focal ratio is shortened from f/6 to f/4.8. After the focus is reduced, the starry sky can be captured wider, the star points are finer, and the signal-to-noise ratio is better under the same exposure.
With advanced refractor, it can take dazzling celestial photos without worrying about the distortion of the star points on the edge of the photo.
Multi-coated optics housed in a high polish, and hard anodize finished aluminum body to help reduce weight.
The front end is a M54x0.75 socket to connect to the main lens, and the back end is M48x0.75 threaded to connect to the camera bayonet (Support Full Frame Camera) for SV503 70 f/6 ED Refractor OTA Feature s:
SVBONY M54x0.75 0.8x focal reducer and field flattener for refractor telescopes. When combined with SVBNOY 70f6 ED, the focal ratio is shortened from f/6 to f/4.8. After the focus is reduced, the starry sky can be captured wider, the star points are finer, and the signal-to-noise ratio is better under the same exposure. With advanced refractor, it can take dazzling celestial photos without worrying about the distortion of the star points on the edge of the photo. Multi-coated optics housed in a high polish, and hard anodize finished aluminum body to help reduce weight. The front end is a M54x0.75 socket to connect to the main lens, and the back end is M48x0.75 threaded to connect to the camera bayonet (Support Full Frame Camera) The default back-intercept is 55mm. Using the 360 ° field rotator at the end of the focusing tube ( sold separately ) , you can meet your composition requirements without turning the main lens, and it can also meet the use of filter wheel/OAG/astronomical cam era at the same time Package Includes: SVBONY SV193 0.8x Photo Reducer / Flattener 2PCS Rubber Dust Cover for SV503 80 f/7 ED Refractor OTA Feature s: SVBONY 2" 0.8x focal reducer and field flattener for refractor telescopes Optimized for use on the SVBNOY 80mm f/7 ED refractor and similar telescopes The 0.8 times defocusing system shortens the exposure. It can meet the needs of astrophotographers who need sufficient exposure in a short time. With advanced refractor, it can take dazzling celestial photos without worrying about the distortion of the star points on the edge of the photo. Multi-coated optics housed in a high polish, and hard anodize finished aluminum body to help reduce weight. Includes standard 2" filter thread to add light pollution filter you need. The front end is a standard 2-inch socket to connect to the main lens, and the back end is M48x0.75 threaded to connect to the camera bayonet (Support Full Frame Camera) The default back-intercept is 55mm. Using the 360° field rotator at the end of the focusing tube(sold separately ), you can meet your composition requirements without turning the main lens, and it can also meet the use of filter wheel/OAG/astronomical camera at the same time Package Includes: SVBONY SV193 0.8x Photo Reducer / Flattener 2PCS Rubber Dust Cover for SV503 102 f/7 ED Refractor OTA Feature s: SVBONY 2" 0.8x focal reducer and field flattener for refractor telescopes, which can meet the illumination needs of full-frame shooting. When combined with SVBNOY 102ED, the focal ratio is shortened from f/7 to f/5.6. After the focus is reduced, the starry sky can be captured wider, the star points are finer, and the signal-to-noise ratio is better under the same exposure. With advanced refractor, it can take dazzling celestial photos without worrying about the distortion of the star points on the edge of the photo. Multi-coated optics housed in a high polish, and hard anodize finished aluminum body to help reduce weight. Includes standard 2" filter thread to add light pollution filter you need. The front end is a standard 2-inch socket to connect to the main lens, and the back end is M48x0.75 threaded to connect to the camera bayonet (Support Full Frame Camera) The default back-intercept is 55mm. Using the 360 ° field rotator at the end of the focusing tube ( sold separately ) , you can meet your composition requirements without turning the main lens, and it can also meet the use of filter wheel/OAG/astronomical cam era at the same time Package Includes: SVBONY SV193 0.8x Photo Reducer / Flattener 2PCS Rubber Dust Cover about svbony
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