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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 ...
Nikon refers to this technique as "3D matrix metering", although different camera manufacturers use different terms for this technique. Canon incorporated this technique in E-TTL II. More advanced TTL flash techniques include off-camera flash lighting, where one or more flash units are located at different locations around the subject.
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 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 ]
Canon printers are supplied with Canon Advanced Printing Technology (CAPT), a printer driver software stack developed by Canon. The company claims that its use of data compression reduces their printer's memory requirement, good quality compared to conventional laser printers, and also claim that it increases the data transfer rate when ...
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".
Related: Sydney Couple 'Targeted' in 'Double Murder' Over Possible 'Financial Debts' as Second Body Is Found: Reports Officers responded to the scene just after 2 p.m., and the 17-year-old was ...
Exceptions to the moving mirror system include the Canon Pellix and Sony SLT cameras, along with several special-purpose high-speed cameras (such as the Canon EOS-1N RS), whose mirror was a fixed beamsplitting pellicle. Focus can be adjusted manually by the photographer or automatically by an autofocus system.