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SP-645 Max 4x5 Film Processing System

SP-645 Max 4x5 Film Processing System


The SP-645 film processing system is an "inflated" version of our famous SP-445.

  • Process up to six sheets of 4x5 film at a time.
  • Uses only 20 oz (575ml) of solution
  • Daylight safe
  • Fills and drains quickly
  • Inversion agitation, Stand development or anything in-between
  • Built-in liquid level indicators
  • Easy use of a thermometer during processing
  • Rugged ABS/PC plastic
  • Industry standard O-ring seal
  • Set includes: tank, lid, three film holders, baffle set, two caps and O-ring

Notes: You cannot use an SP-445 lid on the SP-645 Max since the hold down tabs have to be modified!

Shipping in the US runs about $9 (Priority Mail); overseas typically $23 (1st class international mail)

Here's a short video: Intro to SP-445

SP-645 User's Guide

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