P, S, A and M modes are shooting modes or exposure modes that give the user the freedom of controlling the aperture or shutter speed.
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| Canon 600D |
Mode P (Program AE)
The camera automatically sets the aperture and shutter speed for the right exposure.
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| Mode P |
The photographer has the freedom of controlling the shutter speed and the camera will automatically adjusts the aperture to obtain optimal exposure. The photographer may adjust shutter speed to make moving subjects look still or capture motion blurring.
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| Mode Tv |