*Calculator assumes that your camera sensor uses the typical bayer array. Note: CF = "crop factor" (commonly referred to as the focal length multiplier) Īssumes square pixels, 4:3 aspect ratio for compact digital and 3:2 for SLR. Move your mouse over each f-number to see how these impact fine detail: The following series of images were taken on the Canon EOS 20D, which typically exhibits softening from diffraction beyond about f/11. The pixel sizes above are thus slightly larger than if measured (but by no more than 5%).Īlthough the above diagrams help give a feel for the concept of diffraction, only real-world photography can show its visual impact. unused pixels, only used pixels were considered when calculating the fraction of total sensor area. Since not all manufacturers specify the number of used vs. In reality, camera manufacturers leave some pixels unused around the edge of the sensor. ![]()
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