透镜
双凹透镜
双凹透镜是负透镜最常见的形式。 负透镜最适合产生发散光或虚像,其中输入光会聚。 规格 Material: BK7, Fused Silica, SF10, CaF2, Sapphire .etc. ..
双凹透镜是负透镜最常见的形式。 负透镜最适合产生发散光或虚像,其中输入光会聚。
Material: | BK7, Fused Silica, SF10, CaF2, Sapphire .etc. |
Paraxial Focal Length Tolerance: | ±2% |
Dimension Tolerance: | ±0.2(General). ±0.05(High Precision) |
Centration: | <3 arc min |
IRR: | λ/4@633nm(General),λ/10@633nm(High Precision) |
Clear Aperture: | >80%(Small Size), >95%(Laege Size) |
Surface Figure | <1.5λ@633nm(General),<λ/4@633nm(High Precision) |
Surface Quality: | 60/40(General),10/5(High Precision) |
Bevel: | <0.25mm |
Coating: | Uncaoted, AR,PR, HR, etc. |