After-sales Service: | 3r Policy-Return, Replace, Refund |
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Warranty: | 12 Months |
Usage: | Lighting, Medical, Optical, Photography, Laser, Astronomy, Imaging, Detection, etc |
Type: | Plano-Concave Lenses |
Transmittance: | >95% |
Shape: | Single-lens |
Samples: |
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Customization: |
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Suppliers with verified business licenses
Optional I: | UV FUSED SILICA from CORNING, OHARA, SCHOTT, LEONI, AGC,HELLMA, NIKON,VITRON,ETC |
Optional II: | Equivalent UV FUSED SILICA Made in China, C-laser own brands |
Coating Code: | Coating Type | Wavelength Range |
AR.14 | Visible Multilayer | 430-700 nm |
AR.16 | NIR Multilayer | 650-1000 nm |
AR.18 | IR Multilayer | 1000-1550 nm |
AR.33 | Laser Line V-Coat Multilayer | 1064 nm |
- | Uncoated | - |
Tech Data | Description |
Lens Shape | Plano-Concave |
Material | UV FUSED SILICA |
Surface Quality | 20-10 scratch-dig |
Surface Flatness | λ/4 |
Surface Accuracy, Irregularity | λ/8 |
Surface Accuracy, Power | 1.5 λ |
Centration | ≤3 arc min |
Chamfers | 0-0.8 mm face width |
Chamfers Angle Tolerance | 45° ±15°, typical |
Focal Length Tolerance | ±1 % |
Clear Aperture | ≥central 90% of diameter |
Effective Focal Length(EFL) | From -12.5mm to -1000mm |
Suppliers with verified business licenses