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Spherical lens and cylindrical lens
2022-07-06 02:34:00 【Diligent giant panda】
Spherical lens and cylindrical lens
Here is a brief explanation of the difference between spherical lens and cylindrical lens :
Spherical lens
For example, a convex spherical lens usually converges a parallel incident beam to a point .
Cylindrical lens
For example, a convex cylindrical lens usually converges parallel beams onto a line , in other words , Compared with spherical lens , If the section of cylindrical lens is XOY
Face to face talk , Usually it only happens in X
perhaps Y
One of the directions converges the beam .
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