- 加工定制：
- 型号：平凹透镜
- 材质：N-BK7，H-K9，Fused silica,N-SF10
- 品牌：MITSUBISHI/三菱
- 外形尺寸：
- 适用范围：
- 装箱数：
- 规格：
plano-concave lenses have one concave surface.ithasnegativefocallength. it is often used to expand lightortoincrease focallengthin existing systems.specifications:
material: bk7,fusedsilica,sf10, caf2, sapphire .etc.
paraxialfocallengthtolerance: ±2%
dimensiontolerance: ±0.2(general).±0.05(high precision)
centration:
irr: λ/4@633nm（general),λ/10@633nm(high precision)
clearaperture: >80%(smallsize),>95%(large size)
surface figure
surfacequality: 60/40（general),10/5(high precision)
bevel:
coating: uncoated,ar,pr,hr,etc.
福州艾尔斯达光电科技有限公司
张雪飞
18059084811
福建省福州市仓山区金山橘园洲工业园31栋2层