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Forum: Troubleshooting and Beginner Help 05-06-2018, 04:31 AM  
Crop Factor Conundrums
Posted By cpk
Replies: 29
Views: 2,768
The f-stop is a mathematical relationship between the focal length of a lens and the diameter of its opening. A setting of f4 means that the diameter of the lens opening is 1/4 of the focal length. Crop factor relates to the focal length of a lens in respect to the size of the sensor of the camera it's mounted on in comparison to a full-frame sensor. Crop factor and f-stop are not related in any way.
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