Monthly Archive: September 2010

Disabling automatic gain control on consumer cameras

Disabling automatic gain control on consumer cameras

Lower cost consumer level cameras do not provide a switch to turn off automatic video gain. When the scene gets dark, the automatic exposure opens up the aperture as much as it can – and if that does not let in sufficient light, then the camera starts amplifying the heck out of the video signal as the automatic exposure tries...

Achieving Depth of Field with the Canon XH A1

Achieving Depth of Field with the Canon XH A1

This past year as seen the phenomenal growth of the Digital SLR (DSLR) market for cameras that now also shoot HD video – either 1280 x 720 or 1920 x 1080, depending on the camera. This market is about to take a huge leap forward over the next few months as all the camera makers introduce new products that begin...