I would like to share something with you. I won't waste a lot of words here, because what I am sharing is an article that is a tad lengthy and I don't want to wear out your patience.
Please, read this and if, afterwards you have the desire, share your thoughts about it here.
I would like that.
Thank you friends.
===Steven===>>
Askar SQA55: A Quintuplet Refractor for Wide-field Astrophotography
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The Askar SQA55 is a compact astrograph designed for astrophotographers who
want a fast, wide, and highly corrected imaging system. It brings together
a ...
17 hours ago

