What's New
Improver Performance, User interface and stability
App Description
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 lens’s 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.
iPhone Screenshots
(click to enlarge)
App Changes
- October 23, 2018 Initial release
- September 16, 2023 New version 1.1
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