Ontwikkelkit voor zwart-wit diafilms zoals Fomapan R100 en Adox Scala.
Fomapan R100 B&W Reversal Developing Kit is a special set for the processing of black and white reversal films, such as Fomapan R100 and Adox Scala. The set contains four components including hydroquinone based developer used for 1st and 2nd development, ammonium thiosulphate based fixer, bleaching and cleaning bath. The processing set serves for preparation of 8x 330 ml of processing baths.
Unlike the normal B&W negative developing process, the exposed silver in the image remains clear and the unexposed areas turn black. In order to do this, the exposed silver areas are developed and washed away, and the remaining unexposed silver areas are then exposed (second exposure) and once again developed, then finally fixed. In this way, you get a slide with prefect gray tones.
The Bleacher is free of potassium bichromat. Full mixing and usage instructions are included, along with a developing time table for Fomapan R. Other films can be developed by slightly varying the first developing time (5 - 11 min).
Attention: the reversal developing process is complicated! There are a few things that you need to watch out for. Since potassium bichromat can no longer be used, the bleach bath is a little touchy. The bleach bath used in this kit goes bad quickly. Therefore you need to mix the bleach just before you use it - preferably you should mix it during the developing process, run it through a coffee filter, and then use it. Be sure to bleach for a sufficient length of time! It is also very important that the film gets sufficient light during the second exposure.
Capacity: 8 films 135-36, 2 Super8/DS8/N8 Films 15 Meter or 1 film 16mm 30,5m/100ft.
|Verpakking||Component A (250ml), Component B1 (250ml), Component B2 (250ml), Component C (250ml) en Component D (500ml)|
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