
Bellows Factor
bellows-factor
About App
Bellows Factor can help you to achieve better if not perfect exposures with large format cameras. The basic operation includes calculating the bellows factor in EV based on your focal length and lens extension. These values can be inserted in either millimeters, centimeters or inches depending on the lens or the photographers' preference. But that’s not all. Bellows factor can be combined with any number of filter factors so a correct exposure factor is computed based on the lens extension and
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