The EOS 5D is a 12.8 megapixel digital single-lens reflex (DSLR) camera body produced by Canon. The EOS 5D was announced by Canon on August 22, 2005, and at the time was priced above the EOS 20D but below the EOS-1D Mark II and EOS-1Ds Mark II in Canon's EOS digital SLR series. The camera accepts EF lens mount lenses.
The EOS 5D is notable for being the first full-frame DSLR camera with a standard body size (as opposed to the taller, double-grip "professional" camera body style).[citation needed] It is also notable for its price, suggested at $3299 USD,which set a significant new low price point for full-frame DSLRs; its only full-frame competition at the time was the Canon 1Ds Mark II, which cost more than twice as much.
On September 17, 2008, Canon announced the camera's successor: the Canon EOS 5D Mark II.
Features :
Sensor and image processing
The 5D has a 35.8 x 23.9 mm full-frame CMOS sensor with 13.3 million pixels (12.7 megapixel effective). The very low pixel density of only 1.5 megapixels per square centimetre, combined with the redesigned DIGIC II image processor, provided significantly lower noise at all ISO sensitivities than other consumer cameras on the market at the time.[citation needed] ISO speeds from 100 to 1600 are provided, adjustable in 1/3 steps (ISO can be expanded to L: 50 or H: 3200 with a menu function). The ISO 50 setting reduces dynamic range by a stop in the highlights.
Autofocus and metering
The 5D has 9 autofocus points (plus 6 "invisible assist AF points" available only during continuous-focus tracking) arranged in a horizontal diamond pattern. The AF system was a minor upgrade to the one on the 20D.[citation needed] The camera uses TTL 35 zone SPC metering with four variations (evaluative, center-weighted, partial, spot) and exposure compensation of -2 EV to +2
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