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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 EOS 30/33 (also known as the EOS Elan 7e/7) is a single-lens reflex film camera from Canon's EOS series, released in October 2000. This camera is sold in Japan under the name EOS 7. The EOS 30/ELAN 7E has eye controlled focusing while the EOS 33/ELAN 7 does not. Otherwise the two cameras are identical.
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 30D features a Mode Dial on the top which selects the shooting mode. It is divided into two sections: Creative Zone and Basic Zone. The Creative zone provides manual and semi-manual modes; it gives access to RAW format, manual exposure, aperture and ISO sensitivity.
These cameras were the replacements for the earlier EOS 30/33 model. [1] Perhaps the most important upgrade [2] compared to the EOS 30/33 was the flash metering; this was the first film camera to support Canon's new E-TTL II flash metering system with compatible EX-series external flashes. [1]
The range consisted of the 2 mp DCS 520 and the 6 mp DCS 560. The two cameras were also sold by Canon, as the Canon EOS D2000 and Canon EOS D6000 respectively. [11] Canon's subsequent professional digital SLRs were produced independently of Kodak, and were initially based on the EOS-1V, before moving to custom-designed digital bodies.
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.