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1x Raised finder stalk to clear the tube rings and dewshield
10-year guarantee thanks to our outstanding coating technique
enhancing your imaging possibilities
After extensive research and development
Svbony SV193 2-Inch 0.8x Focal Reducer / Flattener for 80 ED Refractor. svbony sv305m 1x Raised finder stalk toDesigned for fixed field astrophotography with the SV503 refractor. While the SV193 will also thread into many other f 6f 7 refractors using 2" focusers, performance cannot be guaranteed on all optical systems. The 0. 8 reducer provides a wider field, finer star points and an improved signal to noise ratio under the same exposure time. In addition to reducing the focal length for faster imaging, the integrated field flattener corrects the natural
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