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CMS-XML Definition: Wide-Angle Lens
Wide-Angle Lens Wide-angle lenses help us capture the big picture. They are commonly used for landscape and interior photography, when we want to photograph a large part of the scene and get the elements in a scene in focus.
CMS-XML EOS 1v / 1v HS : PB-E2 Power Drive Booster what is the Expected Battery Life and frames per second
CMS-XML PB-E2 Power Drive Booster : Expected Battery Life
CMS-XML How Does Traditional SLR AF Work?
And, here’s the important thing about phase detect AF: when the camera’s lens is focused too close and AF is aimed at a subject, the beams of light move, in tandem, closer together. The pixels on the pair of line sensors toward the inside register light hitting them, and the camera instantly knows two things: not only that the lens isn’t in focus, but that to achieve focus, the lens has to be driven further away, in the direction of “infinity.”
CMS-XML EOS 3 : How to calibrate the Eye-Control Focus Point Selection system
For example you can store calibration data in channel 1 for your naked eye and channel 2 for when you wear glasses or contact lenses . Channel 3 can be used to store calibration data for another user.
CMS-XML How to Read an MTF Chart
Canon's MTF charts give results at two apertures: wide-open, and stopped down to f/8, with the lens set to infinity focus. While MTF charts don't include many factors that can be important when selecting a lens (size, cost, handling, closest focusing distances, AF speed, linear distortion, evenness of illumination, and of course features like Image Stabilization which may produce superior real-world results), they can indicate to the knowledgeable reviewer some of the optical characteristics they can expect from a particular lens.
CMS-XML PB-E2 Power Drive Booster : Here is a list of the Parts and controls - nomenclature
CMS-XML PB-E2 Power Drive Booster : How to attach the unit to the camera
Slide the contact cover and remove as shown by the arrow Use your finger to turn the film advance coupler cover counterclockwise on the camera bottom
CMS-XML Definition: Super Wide-Angle Lenses
Super Wide-Angle Lens Source: EOS Digital Rebel XT Tutorials - lesson 2
CMS-XML FX : How to set the exposure
There are two ways to set the exposure on the FX
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