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Notice time 30s
1x Raised finder stalk to clear the tube rings and dewshield
hard-wearing finish for regular commercial use
After extensive research and development
Up to 100m indoor and 200m outdoor transmission power minimizes the crowds waiting in line
Svbony SV193 2-Inch 0.8x Focal Reducer / Flattener for 80 ED Refractor. svbony sv305m Notice time 30sDesigned 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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