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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 ...
Trap focus is also possible on some Pentax (e.g. K-x and K-5), Nikon, and Canon EOS cameras. The EOS 1D can do it using software on an attached computer, whereas cameras like the EOS 40D and 7D have a custom function (III-1 and III-4 respectively) which can stop the camera trying to focus after it fails.
Canon EOS 1100D Canon EOS 1000D is a 10.1-megapixel digital single-lens reflex camera announced by Canon on 10 June 2008 and started shipping in mid August 2008. It is known as the EOS Kiss F in Japan and the EOS Rebel XS in the United States and Canada.
The Canon EOS 300 (EOS Kiss III in Japan, EOS Rebel 2000 in North America) [2] is a consumer-level 35mm single-lens reflex camera, produced by Canon of Japan from April 1999 until September 2002 as part of their EOS system. [1] Designed under the supervision of Yasuhiro Morishita, the camera was intended as a replacement for the Canon EOS 500N. [3]
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 Canon EOS 550D is an 18.0-megapixel digital single-lens reflex camera, announced by Canon on 8 February 2010. [1] It was available since 24 February 2010, [2] and to US dealers from early March. [3] It is known as the EOS Kiss X4 in Japan, and as the EOS Rebel T2i in the Americas. [4]
The new Canon EOS-1D Mark II N features the same 8.2 megapixel CMOS sensor, DIGIC II image processor and 8.5 frame per second shooting speed of its predecessor. The primary changes are a new 2.5" wide viewing angle LCD monitor, Evaluative Metering, an improved buffer, and new 'Picture Style' image parameters.