Wednesday, November 22, 2006

11/22/06: What's a "Prime" Lens?

A prime lens is simply a fixed focal length lens such as a 50mm or a 135mm. Contrast to a zoom lens (where the focal length varies as you zoom in or out), prime lenses are generally considered to be better at holding sharp focus for a given f-stop. The trade-off when using prime lenses instead of zoom have to zoom with your feet! ;)


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