Hello,
If the question is about ER, buy a $20 4mm plossl from ebay or similar. If you find the eyelash feedback not so bad, you can look at a higher quality investment.
Your evaluating the ER not the EP after all.
Steve
Ps. 32mm Plossl on my 8" SW (f6) is 1.3+ degrees, fairly wide view, very little glass.
Last edited by mura_gadi; 24-08-2021 at 08:21 PM.
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