Quote:
Originally Posted by Satchmo
Thats a very cheap price.
I've been warned off 5" triplet apos by an owner who said they take hours to thermally settle because of the insulating air layer on either side of the center lens element. With the large temp changes we have at night they don't always work well in aussie conditions.
I'm sticking with the idea of a 120mm ED Doublet when I go down the photography route.
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but if you were able to keep it relatively cool or thermally equal to start with??? LOL a new use for the beer fridge?