Optical Lens
Precise Achromatic Doublet Cemented Optical Lens
Material: low-index Crown Glass& high-index Flint Glass CDGM, Schott, Ohara etc Dimension Tolerance: ±0.1mm(Standard), ±0.01mm(High Precision) Center Thickness Tolerance: ±0.1mm(Standard), ±0.05mm(High Precision) Paraxial Focal Length: ±2% Surface quality: 60/40(Standard), 20/10(High Precision) Clear Aperture: >85% Surface Figure: λ/2(Standard), λ/4(High Precision) @633nm Centration: 3 arc minutes Bevel:
Plano Convex Schott BK7 Plano Convex Fused Silica Optical Lens
Material: Optical glass, BK7, Fused Silica, Schott, OHARA, CaF2, Germanium etc. Dimension Tolerance: ±0.1mm(Standard), ±0.01mm(High Precision) Center Thickness Tolerance: ±0.1mm(Standard), ±0.02mm(High Precision) Paraxial Focal Length: ±2% Surface quality: 60/40(Standard), 20/10(High Precision) Clear Aperture: >85% Surface Figure: λ/2(Standard), λ/8(High Precision) @633nm Centration: 3 arc minutes Bevel:
BK7 Optical Lens
Material: Optical glass, BK7, Fused Silica, Schott, OHARA, CaF2, Germanium etc. Dimension Tolerance: ±0.1mm(Standard), ±0.01mm(High Precision) Center Thickness Tolerance: ±0.1mm(Standard), ±0.02mm(High Precision) Paraxial Focal Length: ±2% Surface quality: 60/40(Standard), 20/10(High Precision) Clear Aperture: >85% Surface Figure: λ/2(Standard), λ/8(High Precision) @633nm Centration: 3 arc minutes Bevel: