Tuesday, November 27, 2012
A Rose By Any Other Name...
Many Images, One Frame • Panoramas • Silent All The Time • Camera Dynamic Range • Two Great Winter Breaks
In circumstances where I'm concerned about losing my subjects or their pleasing composition because they're capable of movement, I often photograph from both orientations, getting the most efficient perspective first, and following, if I have the chance, with the higher-quality capture.
Silent All The Time
Q Recent Canon cameras have a Silent Mode. Knowing that this mode improves the sharpness of higher-magnification images in Live View, should I just leave it on all the time?
Fort Worth, Texas
A Silent Shooting Mode is an important function available on a number of Canon DSLRs. It's normally used to minimize the noise of the cycling camera mechanism in circumstances such as wedding services, sensitive wildlife and surveillance. When used in conjunction with Live View to accomplish high-magnification photography (macro or telephoto), Silent Mode minimizes vibration by operating the shutter in front of the sensor electronically rather than mechanically. Live View already has locked up the mirror, so essentially no vibrations are generated by the camera in this mode.
When Silent Mode is activated, capture speed is reduced (from six to three frames per second in the 5D Mark III, for example) because the shutter takes longer to cycle. For this reason, when exiting Live View, the photographer should disable Silent Mode in the camera's menu.
Camera Dynamic Range
Q I read recently that the new DSLRs have a higher dynamic range than previous digital cameras. Does this mean that I don't need to use HDR techniques anymore?
Los Angeles, California
A Dynamic range is the ability of a camera, or a scanner, to capture both highlights and shadows at the same time. Ideally, the dynamic range of a camera's sensor will exceed the dynamic range of the scene being photographed, resulting in an image that maintains detail within both very bright and very dark areas. The structure of the camera's sensor and its operating system software drive the overall capability of the sensor to capture detail, and these two aspects of digital camera design have improved dramatically with recent issues: the Canon EOS 5D Mark III and Canon EOS-1D X and Nikon D800 and D800E.
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