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Features:
- 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 camera at the same time
Package Includes:
- SVBONY SV193 0.8x Photo Reducer / Flattener
- 2PCS Rubber Dust Cover
