Latest Photographic lens Stories
Joint solution now meets standardization in facial image capturing systems. Ottawa, Ontario (PRWEB) July 09, 2012 Lumenera Corporation, http://www.lumenera.com,
An elephant may never forget, but his memory doesn’t matter if he can’t see. That’s what the keepers at the North Carolina Zoo are thinking after their bull elephant, C’sar, lost weight, grew depressed and underwent surgery because of vision problems.
A magnifying glass is a convex lens, usually mounted in a frame with a handle, which is used to produce a magnified image of an object. The glass works by creating a magnified virtual image of an object behind the lens. However, the distance between the lens and the object must be shorter than the focal length for the glass to work. If the distance is not correct then the image will appear small and inverted. Many magnifying glasses are mounted on a stand to insure the proper distance...
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