The Kodak Versamat 641 Fixer and Replenisher is designed to be used for aerial camera and duplicate films processing. These Kodak Photo Chemicals include developer starter, developer replenisher and fixer, and replenisher.

• The Kodak Versamat 641 Fixer and Replenisher produce lower contrast negatives than 885 chemicals
• The Kodak Fixer and Replenisher requires extra effort to prepare as they are dry chemicals
• When sporadic or less frequent processing is required, you can use these film developing chemicals from Kodak
• The Kodak Versamat 641 Fixer and Replenisher is sodium thiosulfate and it is slower-acting than 885 Fixer, hence it needs 50% more replenisher
• The 885 Fixer can be used with 641 Developer, when dry chemicals are not necessarily required
  

KODAK VERSAMAT 641 Chemicals include Developer Starter, Developer Replenisher, and Fixer and Replenisher. They can be used for processing both aerial camera and duplicating films.

VERSAMAT 641 Chemicals produce slightly lower contrast negatives (10%) than 885 Chemicals. They are dry chemicals, so they require a little more effort to prepare, but dry chemicals do offer shipping advantages. Their excellent solution life and stability make them a favorite with users whose processing requirements are sporadic or less frequent. 641 Fixer is sodium thiosulfate, which is slower-acting than 885 Fixer, and requires about 50% more replenisher. If dry chemicals are not important, 885 Fixer can be used with 641 Developer.