New APM universal flattener
發表於 : 2016-01-20, 17:08
星河科研社代理
http://www.apm-telescopes.de/en/optical ... nfo=138684
http://www.apm-telescopes.de/en/optical ... nfo=138685
working on all apos with 3“ focuser and larger
60 mm non vigneted image circle
Fixed back focus…no gambling anymore in finding best back focus
http://www.apm-telescopes.de/en/optical ... nfo=138684
http://www.apm-telescopes.de/en/optical ... nfo=138685
working on all apos with 3“ focuser and larger
60 mm non vigneted image circle
Fixed back focus…no gambling anymore in finding best back focus