Exposure Factor
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-Exposure Factors for Kodak CC and CP Filters change to the filter pack. Normally, cyan is not a for any filter added.
Exposure Factors
Because water is substantially more dense than air, light is absorbed as a function of depth, time of day, water clarity and surface conditions.
Exposure factor.
A figure by which the exposure indicated for an average subject and/or processing should be multiplied to allow for non-average conditions. Usually applied to filters. Occasionally to lighting.
In the reality of your photographic work, the rectangular indicator may be ANYWHERE on the light meter display, meaning that you will likely have to make changes to shutter speed or other exposure factors in order to get the indicator at or near the ...
Focal length Best aperture diameter Equivalent f-stop Exposure factor for f/22
50 mm
0.29 mm
f/174 ...
TTL readings are usually more accurate than 'hand-held' meter readings as all exposure factors, including filtration and any optical peculiarities, are taken into account when determining the final exposure.
The amount of exposure compensation has been predetermined for every filter, and is expressed as a "filter factor" (sometimes also called an exposure factor, and also referred to as Exposure Magnification or EM values).
 See also: Exposure, Factor, Photograph, Time, Filter
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