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Schrijf eerste reviewMoersch Tanol is a staining film developer for a high resolution, maximum sharpness, and relatively fine grain. Intended for both tank and tray development. Rotation development is possible, but in direct comparison with tank or tray development the sharpness will be reduced.
In contrast to the well-known "Pyro" staining developer, the oxidation process of Tanol begins much later in the development process. This is an advantage for N+ developing in the Zone System, as you need not worry about a break-down in the development process during long development times.
As with most Pyro developers, a colored stain builds up in proportion to the silver content of the film. The Tanol-based stain is less obvious to the eye than the Pyro-based stain, but has just as strong an effect. The coloring agent builds up between the silver grains, and therefor minimizes the graininess that is otherwise almost unavoidable with a sharpness-enhancing developer.
When used to print on a fixed-grade paper, the stain has virtually no effect on the contrast. However, with variable contrast photographic paper the denser areas of stain will act like a soft-contrast filter.
This developer is particularly interesting for large format sheet film, if the negatives are to be used for traditional silver, platinum, cyanotype printing, or other alternative processes. When used for contact printing, as well as in older traditional photographic processes, very dense highlights and a linear contrast curve are necessary (a contrast range of between 1.7 and 2.0 logD is required). Exposure is made with a daylight or a UV light source, and since the stain blocks UV light, a print can be made directly from the original negative.
2x250ml for the preparation of 25 litres of working solution – capacity 90 films. Comes in a refillable plastic bottle with an injection lid.
| Type concentraat | Vloeibaar |
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- Product: Moersch Tanol 500 Filmontwikkelaar - (2x250ml)
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