|Select the manufacture of your camera. These selections set the circle of confusion parameter. The calculator uses a circle of confusion of 0.030 millimeter for a 35mm format. The circle of confusion is adjusted by the crop factor if needed.
|This is the aperture setting to be used when shooting your photo.
|Lens focal length
|The focal length of your lens in millimeters. Note, do not multiply the focal length by the camera body's crop factor. This calculator automatically adjusts and calibrates the lens.
|subject or focus distance
|This is the distance from the camera to the subject being photographed.
|circle of confusion
|This is related to the final resolution of the image. It is based on the sensor size, image size and the viewing distance.
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