Spherical Lenses

العدسات الكروية

A spherical lens has the same refractive power in all meridians.

Quick Decode

A spherical lens has the same refractive power in every meridian, or direction across the lens. Plus spherical lenses bring light rays together, while minus spherical lenses spread them apart.

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References (1)
  1. Geometrical and Visual Optics — Steven Schwartz.