Ricoh has released new firmware updates for its popular GR IV compact camera that was introduced last year. The update adds the promised electronic shutter funciton and 1/16,000sec top shutter speed.

Some image sensors must either use a mechanical shutter or a pulsed light source to capture an image. For example, full-frame CCD image sensors, that are used for scientific applications such as ...

The Part 1 of this series about digital camera design has shown how to do the basic calculations that interrelate pixel size, focal length, focal ratio, and spot size, and demonstrated how these ...