Zoom creep

1. A problem often suffered by push-pull zoom lenses. Such lenses have their focal length settings held in place by friction, and sometimes this isn’t enough to counteract the weight of the lens. If you have a lens which slowly slides, changing focal length, when it’s pointing up or down then you have a lens which exhibits zoom creep. Two-touch zoom lenses usually do not suffer from this problem to [...]

By Scott | Jul 30, 2008
Posted in: Photo Tips |

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Out of Focus or Blurry Images

Out of Focus or Blurry Images Blurry images may be caused when there isn’t enough light for the camera to set a fast shutter speed. The camera’s shutter opens and has to stay open for up to several seconds for enough light to hit the CCD to capture the image. Most people cannot hold a camera perfectly still for more then 1/60th of a second. In addition, when the telephoto [...]