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depending on the application you want to accomplish
we would choose the ASI678MC
Adjust the secondary and primary mirror collimation screws while viewing through the Cheshire eyepiece until alignment is achieved
5dB Audio distortion <5% Audio power 500mA Transmitter RF power 10W/5W Modulation type 16kΦF3E Modulation distortion <5% Adjacent channel power ≥65dB Audio response +6
SV197 1.25″ Cheshire Collimating Eyepiece for Newtonian Telescopes CNC Machined Aluminium depending on the application youSV197 1. 25 Cheshire Collimating Eyepiece for Newtonian Telescopes The SV197 Cheshire Collimating Eyepiece is a precision alignment tool designed for accurate collimation of Newtonian reflector telescopes. By ensuring correct optical alignment, it helps deliver sharper stars, improved contrast, and better overall observing performance. Key Features Accurate Optical Alignment Designed to help precisely align primary considered to secondary mirrors,
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