Quote Originally Posted by namke View Post
for exposure (not composition) checks, I use 'standard' FP100C (not '45') in a Polaroid 405 back. I'd like to have a go with the 4x5 instant film, but the 550 backs still seem to be not that cheap... I'd love to find a $40 550 !!

(Fuji FP100C45 fits the Polaroid 550 or Fuji PA-45 back; Fuji FP100C fits the Polaroid 405 back)
I found a PA-45 today for $20... The store has a couple more (attached to old passport cameras) for $40 each. Hopefully they are still there next Friday...