DIY: Bahtinov Mask
Автор: peterlution
Загружено: 2016-03-13
Просмотров: 13587
Описание:
The Bahtinov mask is a device used to focus small astronomical telescopes accurately. It was invented by Russian amateur astrophotographer Pavel Bahtinov in 2005. Accurate focusing of telescopes and astrographs is particularly of concern to those involved in astrophotography.
https://en.wikipedia.org/wiki/Bahtino...
I used cardboard and manila folder to make a Bahtinov mask. It works as promised.
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