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United Scientific Economy Lenses, 38 mm, Set of 2
Item #: 568877
$5.59
$4.19
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Description
Specifications
Customer Reviews
Economy Lens Set consists of a double convex lens with 50 mm focus and a double concave lens with 100 mm focus. Lens has a dia of 38 mm. Budget-friendly set displays the two basic types of lenses and demonstrates how 2 lenses of given focal lengths can be combined into an achromatic pair with a new focal length.
