David Busch's Sony a99 II FAST TRACK GUIDE by David Busch

David Busch's Sony a99 II FAST TRACK GUIDE by David Busch

Author:David Busch [Busch, David]
Language: eng
Format: azw3
Tags: Professional & Technical
Publisher: Laserfaire Press
Published: 2017-03-30T04:00:00+00:00


When you set the camera to P mode, it sets both the aperture and the shutter speed that should provide a correct exposure, based on guidance from the light metering system. In P mode, you cannot change the aperture or the shutter speed individually, but you can shift among various aperture/shutter speed combinations by rotating the control wheel, providing what is called program shift. (If you use program shift, an asterisk will appear next to the P on your display screens to let you know you’ve made an adjustment.) If you change the ISO, the camera will set a different combination automatically. As the concept of equivalent exposure indicates, the image brightness will be exactly the same in every photo you shoot with the various combinations because they all provide the same exposure.



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