Latest Photographic lens Stories
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Virtual emporium of photo gadgets and gizmos at Adorama.com features dozens of new products that make perfect gifts for the photographer in everyone’s life Chelsea,
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...
- A member of the swell-mob; a genteelly clad pickpocket. Sometimes mobsman.