A battery grip is an accessory for an SLR/DSLR (and occasionally other cameras), which allows the camera to hold multiple batteries to extend the battery life of the camera, and adds a vertical grip with an extra shutter release (and other controls), facilitating the shooting of portrait photography.
A charge-coupled device (CCD) is a device for the movement of electrical charge, usually from within the device to an area where the charge can be manipulated, for example conversion into a digital value.
A digital camera or digicam is a camera that captures photographs in digital memory.
A digital single-lens reflex camera (also called digital SLR or DSLR) is a digital camera that combines the optics and the mechanisms of a single-lens reflex camera with a digital imaging sensor, as opposed to photographic film.
In a camera, flash synchronization is defined as synchronizing the firing of a photographic flash with the opening of the shutter admitting light to photographic film or electronic image sensor.
Note: If you came here to get a quick understanding of numbers like 1/2.3, skip ahead to table of sensor formats and sizes.
Japan (日本; Nippon or Nihon; formally 日本国 or Nihon-koku, lit. "State of Japan") is a sovereign island country in East Asia.
Sony α100 (DSLR-A100) is the first digital single-lens reflex camera (DSLR) marketed by Sony.
The Sony α 230 (DSLR-A230) is Sony's entry-level digital single-lens reflex camera (DSLR).
Sony α (the lower case to Greek letter alpha, often transliterated as Sony Alpha), is a camera system introduced on 5 June 2006.