iPhone app Aperture Area - Calculator

This Aperture area calculator helps you compute the aperture area of a lens.
Try the calculator right now or keep on reading to learn about the aperture diameter, f-number, and the aperture area equation.

Features:

- Instant calculation

- Result are copy able to other app

- Formula are include as reference

- Support up to 16 decimal place

- Support various unit for each input

Aperture is a hole or an opening through which light travels.
The aperture of an optical system is the opening that determines the cone angle of a bundle of rays that come to a focus in the image plane.

The f-number (sometimes called focal ratio, f-ratio, f-stop, or relative aperture) of an optical system is the ratio of the lenss focal length to the diameter of the entrance pupil.

The focal length of an optical system is a measure of how strongly the system converges or diverges light.

The amount of light captured by a lens is proportional to the area of the aperture.,

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