The type of lens used by watch repairers is _
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A convex lens is used by watch repairers.The object is kept between the focus and optical centre of the lens and enlarged and erect image is obtained of it.This helps to see the parts clearly.
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Convex lens,a convex lens is used by watch repair men. The object is kept between the focus and optical center of the lens and an enlarged and erect image is obtained of it. This helps to see the parts clearly.
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