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depth of field |
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depth of fieldThe area in an image from front to back that is in focus. The smaller the aperture (the larger the f-stop number), the more objects are in focus both near and distant. The wider the aperture (the smaller the f-stop number), elements in front of and behind the object in focus appear soft or blurry. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Olympus Optical of Tokyo, also is licensing the Boulder company's technology for use in extended depth-of-field endoscopes, which are camera-equipped catheters that doctors use to look inside a patient's body. The laser line projects a 1 mm or less wide line, regardless of the projector's distance to the target, with its 3' to 12' depth-of-field range. Their sharp-focus, depth-of-field analyses of modular construction methods evolve into an abstract pattern of grids. |
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