http://www.bhphotovideo.com/explora/...twist-60-optic
This lens is marketed to "replicate the famous Petzval." It's funny how the worst problem of the Petzval, swirl, has been turned into a feature to be replicated and enhanced.
http://www.bhphotovideo.com/explora/...twist-60-optic
This lens is marketed to "replicate the famous Petzval." It's funny how the worst problem of the Petzval, swirl, has been turned into a feature to be replicated and enhanced.
Garrett
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