Tech Corner Posted

Ever wondered why digital cameras, particularly high-end digital SLR's, have mechanical shutters? The sensor is electronic, so why can't it be told to simply sample the light for the length of time specified by the shutter speed? Why can't the sensor just start accumulating light (what is sometimes referred to as a "charge"), wait a specified length of time, and then stop accumulating light at the end of the exposure time?

Mike Chaney's article this month is very informative as usual. Please Read On...