An Accurate Measurement Method for Telescope Focusing System Backlash
- Frank Chen
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An Accurate Measurement Method for Telescope Focusing System Backlash
by Frank Chen
The measurement method of the telescope focusing system backlash described in this article was discovered suddenly when I was checking two autofocus curves with a friend some time ago. At that time, a friend sent me two pictures of autofocus curves. The curves are very smooth and fitting well, but the...
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Re: An Accurate Measurement Method for Telescope Focusing System Backlash
I'm going to give it a go tonight.
Regards
Graeme
Celestron 9.25 f10 SCT, f6.3FR, CGX. Sky-Watcher Evostar-120, HEQ5
ASI1600MM Pro, ASI294MC Pro, ASI224MC
ZWO EFW, ZWO OAG, ASI220MM Mini.
APM 11x70 ED APO Binoculars.
https://www.averywayobservatory.co.uk/
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