Peter Hill


Mirror Lock-up - what it is & when to use it

Posted about 1 month ago

It sounds really iffy and risky, but it’s really quite simple.

Do you use an SLR?

When you look through the viewfinder, the image you see is courtesy of a mirror. When you press the shutter, the mirror has to firstly swivel up out of the way of the light path before the sensor captures the light coming through the lens – this action you see as a dark flash in the viewfinder immediately af…

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