Difference between revisions of "Microprism"
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{{Glossary}} | {{Glossary}} | ||
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| − | |image_source=http://www.flickr.com/photos/primovelho/543905650/ | + | |image_source=http://www.flickr.com/photos/primovelho/543905650/in/pool-camerapedia/ |
|image=http://farm2.static.flickr.com/1280/543905650_44f6b5be52_m.jpg | |image=http://farm2.static.flickr.com/1280/543905650_44f6b5be52_m.jpg | ||
|image_align=left | |image_align=left | ||
| − | |image_text= | + | |image_text=Viewfinder image 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 slightly 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]]. | ||
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| + | |image_source=http://www.flickr.com/photos/timmythesuk/464925262/in/pool-camerapedia/ | ||
| + | |image=http://farm1.static.flickr.com/228/464925262_4c31272de3_m.jpg | ||
| + | |image_align=left | ||
| + | |image_text=Olympus focus screen with<br>microprism & split-image | ||
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Revision as of 23:24, 27 May 2008
Glossary Terms
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| Viewfinder image 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 slightly 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.
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| Olympus focus screen with microprism & split-image |
