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Up to 100m indoor and 200m outdoor transmission power minimizes the crowds waiting in line
hard-wearing finish for regular commercial use
ensuring pagers can be recharged before power runs out
the elderly
Notice time 30s
Svbony SV193 2-Inch 0.8x Focal Reducer / Flattener for 80 ED Refractor. svbony sv305m Up to 100m indoor andDesigned 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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