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Write the first reviewTetenal Neofin Blue is a one-shot compensating film developer for black-and-white film which offers a very high acutance and exceptional sharpness. The film's speed is fully exploited and is best used with slow to medium speed ISO films like Ilford PAN F and Rollei RPX 25. It offers a high speed yield and is especially suited to achieve a wide subject brightness range.
Neofin blue is easy to use and is recommended for the processing of smaller quantities of film as it comes in a box with 6 small glass bottles, each containing 50ml of concentrate for mixing 300-700 ml of working solution:
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250 ml water + 50 ml concentrate or
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450 ml water + 50 ml concentrate or
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650 ml water + 50 ml concentrate.
The choice for a certain dilution depends upon the size of the developing tank and the chosen developing time. Keep in mind the basic rule in film development: higher dilution = longer time and vice versa.
Most common dilutions are to 300 ml and to 500ml, while a dilution to 700ml is possible only with selected films, such as Rollei Retro 80S, RPX 25, Ortho 25, Superpan 200 and Fomapan 100, which require a developing time of not more than 10 minutes for the 500ml dilution.
The developing times for the 700 ml dilution result from multiplying the times for the 500 ml dilution by factor 1.5 (guide value).
| Quantity | 300ml |
| Concentrate type | Liquid |
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- Product: Tetenal Neofin Blue Film Developer - 6x50ml
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