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Aspheric PLA-Lens (n=1.46) D=50mm f=100mm

Aspheric PLA-Lens (n=1.46) D=50mm f=100mm

thingiverse

An aspheric lens made of PLA with a refractive index of 1.46 will have a focal length of 100mm and a diameter of 50mm. Its numerical aperture is approximately 0.22, optimized for minimum wavefront error. The coefficients for the asphere equation are r = 49.150645, conic = -0.658584, A_4 = 8.873082E-008, and A_6 = 6.821930E-012. For accurate results, the surface quality should be better than lambda/5. Enjoy printing!

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