Field Flattener 0.8x Focal Reducer For SV550 122mm APO Refractor Telescope, Corrects Field Curvature And Unlocks A Wider Field Of View For Prime Focus Astrophotography, A Must Have Accessory For Astronomy Buffs

Field Flattener 0.8x Focal Reducer for SV550 122mm APO
✔️ Single unit, 0.8x focal reducer, 63x1 threading, black

Designed for prime focus astrophotography with the SV550 122mm f/7 APO refractor, this field flattener and focal reducer helps you capture sharp, edge-to-edge images across DSLR and CCD sensors. It's a handy accessory for astronomy enthusiasts looking to widen their field of view and speed up exposures.

✅ 0.8x reducer field flattener for SV550 122mm f/7 APO refractor
✅ Converts 854 mm focal length (f/7) to 683.2 mm (f/5.6) for faster, wider imaging (33.6 in to 26.9 in)
✅ Corrects field curvature for edge-to-edge sharpness on DSLR/CCD sensors
✅ Metric 63x1 thread screws into focuser for secure, stable connection

💡 What is a field flattener and why add a 0.8x reducer to an SV550 telescope for astrophotography? In short, this combo gives you edge-to-edge sharpness with a wider field of view: - Edge-to-edge sharpness on DSLR/CCD sensors - Faster exposures from f/7 to around f/5.6 - Corrects field curvature for clean corners - Secure 63x1 threaded connection for a stable setup

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