http://www.lightstalkers.org/posts/swap-my-545-back-for-your-550 An entire Lightstalkers thread via RSS/XML. en-us I need a 550 back for fuji pack film 4x5.&nbsp; I have a couple good ( as in new, exc, good, poor, parts) 545 (original not 545i) backs and would swap you one.&nbsp; If you have a 550 to sell for a reasonable price I'll consider that too.<br/> <br/> Thanks,<br/> <br/> Mike<br/> Sat, 24 Jun 2006 22:24:18 +0000 http://www.lightstalkers.org/posts/swap-my-545-back-for-your-550