Red filter, black and white film

September 19, 2016

red-vs-no-filter-xx-fe-55mm

A quick test I did recently comparing the same scene photographed with a red filter over the lens, compared to the same scene with no filter. The car in the foreground was red, and the building in the top right was red brick. Despite what some people say, red filters used with black and white film will lighten red subjects as well as darkening blue. We can also see the loss of shadow detail as shadows have a lot of blue in them, e.g. the lower left corner shadow cast be the car. The film was Kodak Double-X 5222 rated at 400, exposed in a Nikon FE with 55mm lens. The filter was a standard Hoya red. Processed for 11 minutes in Rodinal 1+50.

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