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Conic Surface

Conic Surface Information

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Conic Surfaces are rotationally symmetric surfaces whose profile varies from a Sphere with a κ=0 to Parabola κ=-1, and Oblate and Prolate ellipsoids. They have two properties. R is the base radius for the sphere, and κ is the conic constant. The benefit of spheres is that they can be manufactured quite reliably - driving down manufacturing cost, where other conic constants take more effort, but are significantly easier to manufacture than other aspheres. They have the following sag:

Example of Conic Surface, where κ=0 and R = 15mm
Example of Conic Surface, where κ=0 and R = 15mm

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