Below you can find the different brands of Camera Lenses for which manuals are available. Click on your brand to find the manual you want. Can’t find the brand of your Camera Lens? Send us a message on Facebook, and we will try to find the manual for you.
Frequently Asked Questions
What does the "f" stand for with camera lenses? VerifiedThe f-ratio stands for the reciprocal of the relative aperture. This is the ratio of the system's focal length to the diameter of the entrance pupil. A higher f-ratio means a smaller entrance and thus less light coming into the lens.
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