wishingwellphotos Posted December 22, 2010 Share Posted December 22, 2010 If i buy a 6x4.5 back for my rb67, do i need to change the focusing screen ? Link to comment Share on other sites More sharing options...
steve_levine Posted December 22, 2010 Share Posted December 22, 2010 <p>No, there is a 645 mask that goes over the focusing screen.</p> Link to comment Share on other sites More sharing options...
wishingwellphotos Posted December 22, 2010 Author Share Posted December 22, 2010 Where do i get that mask ? Link to comment Share on other sites More sharing options...
christoph_sensen Posted December 23, 2010 Share Posted December 23, 2010 <p>Have a look at the auction sites, they appear there sometimes.<br> KEH also sometimes lists them, they could be included in some of the listings for the backs there as well.<br> Christoph</p> Link to comment Share on other sites More sharing options...
paul ron Posted December 23, 2010 Share Posted December 23, 2010 <p>A very clever person drew the lines using a pencil to indicate the 645 H n V coverage directly onto his screen.</p> The more you say, the less people listen. Link to comment Share on other sites More sharing options...
Uncle Goose Posted December 23, 2010 Share Posted December 23, 2010 <p>Or one could also use a transparent with line drawn on it.</p> Link to comment Share on other sites More sharing options...
steve_levine Posted December 24, 2010 Share Posted December 24, 2010 <p>I've also seen homemade VF masks. Some black construction paper, an Exacto knife and a ruler are all you'd need. It will take some figuring to determine where to precisely to cut the window.</p> Link to comment Share on other sites More sharing options...
marc_batters Posted January 5, 2011 Share Posted January 5, 2011 <p>Four individual squares, (approx 1/2 inch or 12.5mm square) cut from black electricians tape, one square taped in each corner of the screen, would work too.<br> I used "scotch tape" once, then used a black marker, just on the tape not the screen. Works fine.</p> Link to comment Share on other sites More sharing options...
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