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pentaprism

   Also found in: Wikipedia 0.01 sec.
pentaprism [ˈpɛntəˌprɪzəm]
n
(Physics / General Physics) a five-sided prism that deviates light from any direction through an angle of 90°, typically used in single-lens reflex cameras between lens and viewfinder to present the image the right way round


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The DMC-GF1 does notcontain the pentaprism found on other standard interchangeable lens cameras.
The Pentax digital camera was the first candidate to slot in a pentaprism view finder and a response mirror setup.
also, a first for this Olympus digital camera is its side-swing mirror that doesn''t need a pentaprism, giving you a smaller and sleeker camera.
 
 
 
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