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- Category: Tools & Hardware
- Product Code: TPS-MULTI94
- Availability: In Stock
- Remainder: 3
A magnifying glass (called a hand lens in laboratory contexts) is a convex lens that is used to produce a magnifiedimage of an object. The lens is usually mounted in a frame with a handle (see image).
A sheet magnifier consists of many very narrow concentric ring-shaped lenses, such that the combination acts as a single lens but is much thinner. This arrangement is known as a Fresnel lens.
A magnifying glass can also be used to focus light, such as to concentrate the sun's radiation to create a hot spot at the focus for fire starting.