biconvex lens


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biconvex lens

[bī′kän‚veks ′lenz]
References in periodicals archive ?
It can also be instructive to observe similar reflections on the lens from a pair of eyeglasses and a biconvex lens prior to Activities 1 and 5, respectively.
Hall therefore decided to make a convex lens out of crown glass and a concave lens out of flint glass, designed in such a way that the two would fit together to form a single biconvex lens.