Understanding Capture Delays in Digital Camera
Thursday, March 5th, 2009
By far the biggest problem with consumer-level digital cameras is the delay. Unlike most film cameras, some consumer digital cameras have a significant delay when you depress the shutter. When you take a picture with fixed-focus 35mm film cameras, the picture is taken immediately. This isn't always the case with digital cameras. It may take several seconds before the camera can capture the image because the camera must perform the following actions:
- Autofocus on the subject.
- Open the shutter when autofocus is finished to expose the sensor to light.
- Accumulate enough charge on the sensor.
- Close the shutter. … Read More