Hi again. I have the 4x5 Tachihara with the caltar 150 lens in a Copal 0 shutte r. Does anyone know for sure what size filter it accepts. The lens cap has 42 o n it so I was under the impression it was a 42mm filter size. But that is assumi ng and you know what that gets you most of the time. Thanks for your help again, Doug
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