A 2 inch, M48 filter... reduced to M42
Автор: Cuiv, The Lazy Geek
Загружено: 2020-04-27
Просмотров: 8161
Описание:
Short video about what is an obvious topic to many - but wasn't obvious to me! This little trick can help save precious backfocus, in cases where every millimeter counts.
My adapters are from a Japanese site, but are similar to those:
https://www.astroshop.eu/reduction-ri...
https://optcorp.com/products/stellarv...
#astrophotography
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