How can I set Aperture and how it will effect in image? I have managed ISO and shutter speed.but I am not able to set Aperture value.
Manually set exposure for iOS camera in Swift 4
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The Aperture is a fixed mechanical size and cannot be changed - neither through code nor device settings.
You can get the aperture (the size of the lens diaphragm) via the
AVCaptureDevice.lensApertureproperty, but you cannot change it.Apple Docs: https://developer.apple.com/documentation/avfoundation/avcapturedevice/1624589-lensaperture