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Aperture is the opening in the diaphragm of a camera lens. For questions relating to Apple's photo management software, please use [apple-aperture] instead.

1 vote

Why does the autofocus capability depend on the aperture rather than the amount of light ava...

In most cases, obviously not attempting to photograph the sun or in a dark cave, the aperture selected on the lens is a rough approximation of the available light. … Obviously, the smaller the aperture, the less light is admitted to the sensor. …
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0 votes

Transmission, Aperture, and Focal Length in Low Light Situations

Therefore, in addition to the difference in transmission, an additional stop of light would be lost due to the change in aperture. …
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1 vote

Nikon D3 - Cycling of aperture values

My Nikon D700, which I assume is similar in function to your D3, brackets around aperture (f/2.8, 4, 5.6, etc.) and holds the shutter speed to the one I selected when set to Shutter Priority mode. … It brackets around shutter speed (1/125, 1/250, 1/500, etc.) and holds the aperture I selected when set to Aperture Priority mode. These examples assume a 1.0 f/stop interval for bracketing. …
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3 votes

Which aperture is the sharpest in the lens that come with Nikon d3100?

The sharpest aperture depends on the focal length. As you can see, at 18mm, the center is barely sharper at f/5.6. At 35mm and longer, it is sharper at f/8. …
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