📚 adj • entry_id 52653
equiconcave
Meanings (ES + gloss)
equicóncavo
Having surfaces with the same concave radius of curvature.
In an equiconcave lens the foci are virtual and are crossed over; thus, the lens in fig. 25A is equiconcave, the focus F, instead of being measured from A to the right hand, must b…
In an equiconcave lens, the back surface would have a positive radius of curvature.
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