Tv stands for Time-value mode, but is better known as shutter-priority shooting mode. It’s one of the Creative Zone modes.
This mode allows you to set the shutter speed, leaving the camera to choose the aperture needed for correct exposure. ‘Tv’ is used to identify this setting on the mode dial. It is short for ‘time value’ – the length of the exposure.
Shutter-priority is the ideal mode for action photography. You can choose a speed which will ‘freeze’ the movement of the subject ... Read even more
