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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An Accurate Measurement Method for Telescope Focusing System Backlash
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Frank Chen
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An Accurate Measurement Method for Telescope Focusing System Backlash
The universe is vast and the times are long. When you've been busy with your work, do you remember that there are a lot of stars in the sky that will twinkle at night?
The night sky is bright. Light comes from the depths of the universe. And the nights are colorful because they are so brilliant.
If you observe and photograph them, you'll find that you are so close to the universe.
My website：https://www.astroasis.com/en/
The night sky is bright. Light comes from the depths of the universe. And the nights are colorful because they are so brilliant.
If you observe and photograph them, you'll find that you are so close to the universe.
My website：https://www.astroasis.com/en/
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Graeme1858
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Re: An Accurate Measurement Method for Telescope Focusing System Backlash
Good article Frank. Thanks for posting.
I'm going to give it a go tonight.
Regards
Graeme
I'm going to give it a go tonight.
Regards
Graeme
______________________________________________
Celestron 9.25 f10 SCT, f6.3FR, CGX mount.
ASI1600MM Pro, ASI294MC Pro, ASI224MC
ZWO EFW, ZWO OAG, ASI220MM Mini.
APM 11x70 ED APO Binoculars.
https://www.averywayobservatory.co.uk/
Celestron 9.25 f10 SCT, f6.3FR, CGX mount.
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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