plane-concave lens

Update: 2016/3/15      View:
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Introduction

Flat concave lens
Product number: Sbgx_0031
Specification model:
Phi Phi 1.5mm ~ 30mm
Technical index:
1 material: optical glass, quartz glass
2 surface quality: 40/20 ~ 80/50
3 surface properties: 1/2 into 2
4 Central Plains tolerance: + 0.01mm ~ + 0.02mm
5 center deviation: Minute 3Arc
6 coating

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