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- EvilEddLv 46 years ago
Hi, Iridflare.
Yeah, the centre of the lens would equate to a biconcave lens - but the outer edges have positive curvature . . .
- poornakumar bLv 76 years ago
The double concave lens has a virtual focus on the object side, a tiny spot from which the rays diverge out on the image side. If you apply there you'd see a tiny image.
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