Guide :Optics : StarHopper 10 Telescope

Celestron colmination hi. i just purchased a celestron 76mm skywatcher and in the manual it says colmination may be required. when i look through the lens holder the image is not exactly the same as the picture in the manual. their is more black at the top of the circle than at the bottom. i tried turning the screws and i didnt notice any change. how far in can i tun th screws in without breaking something? cheers Steve

Posted by simsy on Dec 27, 2007

Research, Knowledge and Information :

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