Describe about the concave lens?
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A concave lens has a dish-shaped surface, one that is curved inwards. By itself, it can be used in spectacles for short-sightedness. In cameras, it would shorten the focal length. But in general the formulations of modern camera lenses are too complicated to be able to explain their use.
One example of a lens with a concave front element is the
Interchangeable Lens ZUIKO DIGITAL ED 50mm F2.0 Macro | Macro | Olympus
One example of a lens with a concave front element is the
Interchangeable Lens ZUIKO DIGITAL ED 50mm F2.0 Macro | Macro | Olympus
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