≡ Menu

Photo Formulas and Techniques

Various photo formulas from multiple sources

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 [...]

{ 0 comments }

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 [...]

{ 0 comments }

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   [...]

{ 0 comments }

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 [...]

{ 0 comments }

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. Hot [...]

{ 0 comments }

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 possible time. The two-solution method outlined below is intended primarily for sheet films used in news photography, and with favorable drying conditions will permit completion of developing, [...]

{ 0 comments }

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 (125F or 52C) 750 ml Metol 2 g Sodium Sulfite, anhydrous 40 g Hydroquinone 1.5 g Sodium Metaborate 10 g Potassium Bromide 0.5 g Water to make [...]

{ 0 comments }

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 negatives of average brilliance.     Hot Water (125F or 52C) 750 ml Metol 1 g Sodium Sulfite, anhydrous 15 g Hydroquinone 2 g Sodium Carbonate, monohydrated [...]

{ 0 comments }

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 g Sodium Sulfite, anhydrous 25 g Hydroquinone 6.5 g Sodium Carbonate, monohydrated 16 g Potassium Bromide 1 g Water to make 1 L Do not dilute for [...]

{ 0 comments }

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 25 g Potassium Bromide 25 g Water to make 1 L   Solution 2 Cold Water 1 L Sodium Hydroxide (Caustic Soda Flakes)* 56 g   *Sodium [...]

{ 0 comments }