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c_van_sas

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  1. This article suggests that purple spots could be caused by inadequate bleaching: Photomicrography - Color Negative Film Processing Errors | Olympus LS
  2. Ps after scanning the film on a coolscan 8000 small purple spots appeared to be on a lot of locations also when slightly more developer was used. This problem occurred both on fresh Portra and 400h film.
  3. Thanks for your response. This is a negative developed in 2y old rollei digibase. Your theory about crud that landed on the film makes sense since there was some crud inside the developer as a result of aging and I unfortunately didn’t filter it. The chance of Chemical contamination would be low since the Jobo system I used was cleaned before and this was the first development of freshly made developer. Maybe the age of the developer could have played a part?
  4. I develop film at home and have tam idea on what might cause this problem: - I got this problem when not using a pre soak, with a two year old rollei digibase in a Jobo atl. maybe the short development time and older developer caused the anti halidation layer to be not fully be removed. I didn’t experience the problem when using slightly more (10%) chemicals in the tank than recommended in combination with a pre wash of the film before development. Therefore I guess it is a development issue.
  5. <p>fccccckkkkk other camera's than Toyo, got no problems here</p>
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