Toroid lens

Optical surface with two radius of curvature

Material : H-K9L

Process : precision optics manufacturing

Dimensions:  40mmx30mmx17.5mm

Shape : convex-concave, toroid lens : two radius of curvature 74mm & 35mm

Surface quality : PV<Lambda/2

Aspect : S&D 60/40

Centering error : 3 arc min

Optical treatment : none

Usage : underwater high depth imaging

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