Premium Member Peter Moretti Posted December 5, 2010 Premium Member Share Posted December 5, 2010 Does anyone know what the flange focal distance is for B4 mount lenses? I've searched the web pretty exhustively but have yet to find the number. I believe it is significantly longer than PL's 52mm. Thanks much! Link to comment Share on other sites More sharing options...
Brian Drysdale Posted December 5, 2010 Share Posted December 5, 2010 Checking, I came across 48mm being mentioned. http://imagelabs.com/tools/index.php Link to comment Share on other sites More sharing options...
Premium Member Peter Moretti Posted December 6, 2010 Author Premium Member Share Posted December 6, 2010 So this would seem to indicate that you can use PL glass on B4 cameras. I did not know that. I always thought the long back focus on 2/3rd's cameras prevented the use of PL glass w/ a straight mechanical adapter. But I could very well be mistaken. Link to comment Share on other sites More sharing options...
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