Manuals for Imperii Electronics Camera Lenses

Below you can find all models Imperii Electronics Camera Lenses for which we have manuals available. Also view the frequenty asked questions at the bottom of the page for useful tips about your product. Is your model not on the list? Please contact us.

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Frequently Asked Questions

Our support team searches for useful product information and answers to frequently asked questions. If you find an inaccuracy in our frequently asked questions, please let us know by using our contact form.

What does the "f" stand for with camera lenses? Verified

The 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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