In general

Special, two-component, metol-hydroquinone negative developer in a powder form.

Use

The developer is designed for the manual processing of negative films Retropan 320 soft in particular, or it can be used for all other sorts of roll/perforated/sheet negative films.

Preparation of working solution

The content of the smaller and then of the bigger bag is dissolved in 700 ml of warm water (40°C) and the solution is filled up with water to the final volume of 1 litre.

Developing capacity

One package of the powder developer Retro Special Developer designed for one litre of a working solution is sufficient to develop 1,3 sqm of film material – following amount of sheet films: 25 sheets of 8×10 inches, minimum of 50 sheets of 5×7 inches, 100 sheets of 4×5 inches; further e.g. 36 m of perforated film of width 35 mm or 25 pcs of 135-36 film.

Packaging

Box containing 2 PE-bags of 119 g total weight.

Processing of films at 20 °C

The developing mode – agitation of developer, or turning over the spiral tank continuously during the first 30 seconds, then during the first 10 seconds in every minute till the end of the developing time. After processing 0,8 m2 of a film it is appropriate to prolong the developing time by 10% to each 0,1 m2 of a film compared to prior developing time.