optical lens plano-concave with shoulder

Plano-concave lens with shoulder

D70mm optical lens

Material : N-BK7 (H-K9L) Nd=1.5168 & Vd=64.17

Manufacturing process : spherical lens machining and polishing

Dimensions:  Diameter 70mm, edge thickness 7mm, radius of curvature R=140mm concave.

Shape : plano-concave lens, with 5mm shoulders

Aspect : S&D 40-20 to ISO 10110

Centration : < 3 arcmin

Optical treatment : none

Usage : optical testing equipment

Packaging : individual package, protected in optical paper

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