I just acquired the subject lens. Its a #6 18" FL, big brass barrel with waterhouse stops. Is it really an anastigmat? Looks like an RR to me. How do you tell the difference?
Thanks,
Dan
I just acquired the subject lens. Its a #6 18" FL, big brass barrel with waterhouse stops. Is it really an anastigmat? Looks like an RR to me. How do you tell the difference?
Thanks,
Dan
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