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Brand Name : Wuhan Siwer Optics
Place of Origin : Wuhan,China
MOQ : 10 pieces
Price : 1.8-20USD/piece
Supply Ability : 5000 pieces/month
Delivery Time : 4-5 weeks
Packaging Details : 1.Tissue paper.plastic foam packaging film And hard carton box with quakeproof filler
Material : Optical glass,BK7,SF,etc.
Type : Plano concave
Diameter range : 4-300mm
Demension tolerance : +/-0.1mm
Surface quality : 40/20
Surface accuracy : Lambda/4 in 25.4mm
Centration : 3 arc min
Usage : Optical system
Coating : Single Layer MgF2
Ravg<1.75%@400-700nm
Damage threshold: 10J/cm2 532nm 10ns


| Material | Optical glass |
| AR Coating Range | 400-1000nm or customized |
| Diameter Tolerance | +0.0/-0.1 mm |
| Thickness Tolerance | ±0.1 mm |
| Focal Length Tolerance | ±2% |
| Surface Quality | 40/20 Scratch-Dig |
| Surface Flatness (Plano Side) | λ/2 at 633nm |
| Spherical Surface Powerc (Convex Side) | 1.5λ at 633nm |
| Surface Irregularity (Peak to Valley) | λ/2 at 633nm |
| Centration | <3 arcmin |
| Clear Aperture | >Ø10.16 mm (Ø1/2" Lenses) >Ø20.32 mm (Ø1" Lenses) |
| Design Wavelength | 546nm |
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MgF2 Coated Plano-Concave (PCV) Lenses Images |