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Evaluative-Through The Lens (E-TTL) is a Canon EOS flash exposure system that uses a brief pre-flash before the main flash in order to obtain a more correct exposure. Unlike TTL and A-TTL metering, which use a dedicated flash metering sensor mounted in the base of the mirror box, E-TTL uses the same evaluative metering sensor used for ambient ...
This is being done in a significantly different way than non-flash 'through the lens' metering. The actual metering itself happens in two different ways, depending on the medium. Digital TTL works differently than analog TTL. The analog version of TTL works as follows: when the incoming light hits the film, a part of it is reflected towards a ...
The Canon T90, introduced in 1986, was the top of the line in Canon's T series of 35 mm Single-lens reflex (SLR) cameras. It is the last professional-level manual-focus camera from Canon, and the last professional camera to use the Canon FD lens mount .
The Canon EOS 650 is a 35 mm single-lens reflex camera. It was introduced on 2 March 1987, [ 1 ] Canon 's 50th anniversary, [ 2 ] and discontinued in February 1989. [ 3 ] It was the first camera in Canon's new EOS series, which was designed from scratch to support autofocus lenses.
Key: To save space, the "EOS" is left out from Canon model names. ISO values include maximum sensor range, even if in manual mode ("H1", "Hi 1", etc.)
The Canon EOS 500D received favorable reviews on its release. IT Reviews gave the camera a Recommended Award, and concluded: "Canon's DSLR range continues to go from strength to strength with this considerably enhanced upgrade of the EOS 450D, which manages to keep almost all of the previous physical features while improving the processor and the ISO range and adding a new Full HD video facility".
The Canon EOS 5 (sold as the EOS A2 and A2e in the USA) is a semi-professional autofocus, autoexposure 35 mm SLR film camera. It was sold from November 1992 onwards, and was replaced in late 1998 by the Canon EOS 3. [1] As part of the EOS line of cameras, the 5/A2/A2e utilized Canon's EF bayonet lens mount, first introduced in 1987.
The Canon EOS 50 (also known as the Elan II in America and the EOS 55 in Japan) is an autofocus, autoexposure 35mm SLR camera. It was aimed at the advanced amateur market, and featured a rear command dial, support for custom functions, and an optional BP-50 battery grip, with a dedicated portrait shutter release. [ 1 ]