Difference between revisions of "Microprism"
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|image=http://farm2.static.flickr.com/1280/543905650_44f6b5be52_m.jpg | |image=http://farm2.static.flickr.com/1280/543905650_44f6b5be52_m.jpg | ||
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| − | |image_text=Focusing screen with microprism ring in<br>the centre, around a split-image device | + | |image_text=Focusing screen with microprism ring in<br>the centre, around a [[split-image device]] |
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| − | A '''microprism''' is a focusing aid made of an area very small prisms built in to a focusing screen; this causes a slghtly out-of focus image to look much fuzzier than on a plain ground-glass screen. Microprisms are often used in [[SLR]]s, often in combination with a split-image device. | + | A '''microprism''' is a focusing aid made of an area very small prisms built in to a focusing screen; this causes a slghtly out-of focus image to look much fuzzier than on a plain ground-glass screen. Microprisms are often used in [[SLR]]s, often in combination with a [[split-image device]]. |
Revision as of 00:23, 5 May 2008
Glossary Terms
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| Focusing screen with microprism ring in the centre, around a split-image device |
A microprism is a focusing aid made of an area very small prisms built in to a focusing screen; this causes a slghtly out-of focus image to look much fuzzier than on a plain ground-glass screen. Microprisms are often used in SLRs, often in combination with a split-image device.
