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Photo Formulas & Techniques

Ansco 47A Replenisher post image

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 used developer. No increase in original developing time is necessary when replenisher is used in this manner. Available in packaged form by ordering Ansco 47A Replenisher.   [...]

Ansco 47 Film Developer thumbnail

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 47 developer.   Hot Water (125F or 52C) 750 ml Metol 1.5 g Sodium Sulfite, anhydrous 45 g Sodium Bisulfite 1 g Hydroquinone 3 g Sodium [...]

Ansco 45 Pyro Film Developer thumbnail

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 g Pyro 68 g Potassium Bromide 1.1 g Water to make 1 L   Solution 2 Sodium Sulfite, anhydrous 105 g Water to make 1 L   Solution [...]

Ansco 42 Soft-working Tank Film Developer thumbnail

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 g Hydroquinone 1.2 g Sodium Carbonate, monohydrated 8 g Potassium Bromide 1.5 g Water to make 1 L   Do not dilute for use. Develop 15 to [...]

Ansco Film Notching Identification Code (1948) thumbnail

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 in top edge of the upper right hand corner (or in the bottom edge of the lower left-hand corner). This notching system applies to 3 1/4 x [...]

Formulas

This formula is recommended for tray or tank development of cine title film and positive film to obtain results of high contrast.   Hot Water (125F or 52C) 750 ml Metol 0.8 g Sodium Sulfite, anhydrous 40 g Hydroquinone 8 g Sodium Carbonate, monohydrated 50 g Potassium Bromide 5 g Water to make 1 L [...]

Ansco 42 M-H Film Developer thumbnail

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 g Hydroquinone 1.2 g Sodium Carbonate, monohydrated 8 g Potassium Bromide 1.5 g Water to make 1 L   Do not dilute for use. Develop 15 to [...]

Formulas

This clean-working developer is recommended for normal contrast with tray or tank development of positive film.   Hot Water (125F or 52C) 750 ml Metol 2 g Sodium Sulfite, anhydrous 25 g Hydroquinone 4 g Sodium Carbonate, monohydrated 18.5 g Potassium Bromide 2 g Water to make 1 L   Do not dilute for use. [...]