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List of FTP server return codes. FTP server return codes always have three digits, and each digit has a special meaning. [1] The first digit denotes whether the response is good, bad or incomplete: Range. Purpose. 1xx. Positive Preliminary reply. The requested action is being initiated; expect another reply before proceeding with a new command.
The main light-metering technologies are known as A-TTL, E-TTL, and E-TTL II. The EOS flash system is capable of wireless multiple flash control, whereby a master flash unit IR ( ST-E2) or RF ( ST-E3-RT) transmitter mounted on the camera body can control up to 3 (optical) or 5 (radio) groups of flash units. The Canon EOS 7D is the first Canon ...
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The Oerlikon 20 mm cannon is a series of autocannons based on an original German Becker Type M2 20 mm cannon design that appeared very early in World War I. It was widely produced by Oerlikon Contraves and others, with various models employed by both Allied and Axis forces during World War II .
The Canon EF 20 mm f / 2.8 USM lens is an ultra-wide-angle prime lens produced by Canon for the EF lens mount. It features an ultrasonic motor. On a camera with an APS-C sensor the focal length is equivalent to 32 mm, and it is classified as a wide-lens. It features a ring-type USM motor featuring full-time manual and a fixed front element.
The Canon EF 28–70mm f/2.8L USM is an EF mount wide -to- normal zoom lens made by Canon from 1993 to 2002. It was replaced by the 24–70mm f/ 2.8L USM . Among standard zoom lenses, it is known for very good contrast and sharpness and for its extremely low chromatic aberration and barrel distortion. [1] It has a metal body and neutral color ...
The EF 20–35mm lens is a wide-angle lens made by Canon Inc., with an EF mount. There are two models, an L-series f / 2.8L [1] and a consumer-grade f / 3.5–4.5. [2]