Respuesta :

A camera takes a properly exposed photo at f/5.6 and 1/160 s. part a the shutter speed should be used if the lens is changed to f/4.0 is 1/500 s.

Generally speaking, the use of the same old rule of thumb is to make the shutter velocity same for your focal period whilst hand-preserving your digital digicam.

For example, in case you are capturing with a 200mm lens then you definitely need to preserve your shutter velocity at 1/2 hundred sec or above to keep away from any blur happening from digital digicam shake. The shutter velocity that ought to be used if the lens is modified to f/4.zero is : 1/500 s. The courting among the shutter velocity and the focal ratio is an inverse courting.

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