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I've never understood why we mix and match metric and imperial measures in photography.
I have an Elmar 50mm lens with the depth of field range in feet.
Small film sizes are metric eg 35mm
Medium are metric eg 6x6 cm
Large are imperial eg 5x4 inches
I guess it's just what came first, just seems odd that they have not been standardised.
I have an Elmar 50mm lens with the depth of field range in feet.
Small film sizes are metric eg 35mm
Medium are metric eg 6x6 cm
Large are imperial eg 5x4 inches
I guess it's just what came first, just seems odd that they have not been standardised.