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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
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Can Nikon PK-11a extension tubes be used with G lenses, keeping aperture control?

This link:http://www.dpreview.com/forums/post/19709943says there is no transfer of aperture for G lenses with the PK-11a Find a workaround here: Is there a way to adjust the aperture of a Nikon lens … without a camera or physical aperture ring? …
kamuro's user avatar
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9 votes
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Does a full frame lens require more light on a crop body?

The amount of light passed through the lens stays the same, the lens will still be a F/2.8 lens. Since the smaller sensor only crops out a different area from the illuminated circle, the exposure rel …
kamuro's user avatar
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