Sidney L. Plaut
Well-known member
what is the lens diameter needed to cover 5k 2.1? (or how do I calculate it... long time since I had math...)
the new Cooke s5´s, are 30mm according to the website... pretty sad if they vignette in 5k...
the new Cooke s5´s, are 30mm according to the website... pretty sad if they vignette in 5k...