Knowing that LF have equivalents in 35mm for focal length, eg. 120mm in LF (4x5) = 36mm in 35mm. If I'm using a 36mm lens to take the same shot as I would using the 120mm, is there any change in the f stop from the LF lens to the 36mm lens to get the equivalent light to the film. Or is everything relative with the lens and film sizes and the same amount of light will be transmitted by both lenses using the same f stops.
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