Category: Photo Formulas and TechniquesPage 2 of 5

Ansco Film Notching Identification Code (1948)

Ansco professional sheet films have the following notches to permit easy identification in the darkroom The emulsion side of the film is toward you when the notches are…

Ansco 42 Soft-working Tank Film Developer

This is a soft-working tank formula recommended for pack, roll and portrait films.   Hot Water (125F or 52C) 750 ml Metol 0.8 g Sodium Sulfite, anhydrous 45…

Ansco 45 Pyro Film Developer

This formula is recommended for those users of Ansco film who prefer pyro development. Stock solutions should be kept in stoppered bottles.     Solution1 Sodium Bisulfite 9.8…

Ansco 47 Film Developer

This is a long-life, clean-working formula which will give excellent results as a standard film developer for either tray or tank development. Available in packaged form by ordering…

Ansco 47A Replenisher

Add 1/2 to 3/4 ounce of replenisher to Ansco 47 for each roll of 120 film (or equivalent) developed. Maintain original volume of developer, discarding if necessary some…

Ansco Rapid Processing Procedure

This procedure has been devised by the Ansco Research Laboratory to meet the requirements of those who must carry out finishing operations on exposed films in the shortest…

Ansco 48M Metaborate Film Developer

This formula is recommended for photofinishing, professional, and amateur film development and is suitable for deep tank use over a long period of time.     Hot Water…

Ansco 61 Metol Hydroquinone Film Developer

This developer is recommended for use with commercial film to produce negatives of normal contrast. It may also be used satisfactorily for roll, pack and sheet film for…

Ansco 64 Rapid Metol Hydroquinone Tropical Film Developer

This is a clean-working developer of particular value for rapid development or development at high temperatures.       Hot Water (125F or 52C) 750 ml Metol 2.5…

Ansco 70 Hydroquinone Caustic Film Developer

This developer is recommended for Process film used in reproduction work.       Solution 1 Hot Water (125F or 52C) 750 ml Hydroquinone 25 g Potassium Metabisulfite…