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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 ...
Some cameras (Minolta 7, Canon EOS-1V, 1D, 30D/40D, Pentax K-1, Sony DSLR-A700, DSLR-A850, DSLR-A900) also have a few "high-precision" focus points with an additional set of prisms and sensors; they are only active with "fast lenses" with certain geometrical apertures (typically f-number 2.8 and faster). Extended precision comes from the wider ...
Canon: Electromagnetic diaphragm. A more accurate and faster method of actuating a lens diaphragm. EOS Canon: Electro-Optical System. See Canon EOS. FX Nikon: FX. A designation for full-frame sized image sensors. See FF for general usage. G Minolta Gold. A lens designation suffix applied to top grade Minolta AF and Sony Alpha lenses. Sony HSM Sigma
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".
Magic Lantern is a firmware add-on for various Canon digital single-lens reflex (DSLR) cameras and the EOS M. [2] It adds features for DSLR filmmaking and still photography, and is free and open-source. Magic Lantern was originally written for the Canon EOS 5D Mark II [3] by Trammell Hudson in 2009 after he reverse engineered its firmware. [1]
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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.