| Place of Origin: | Wuhan,China |
|---|---|
| Brand Name: | Wuhan Siwer Optics |
| Minimum Order Quantity: | 10 pieces |
| Price: | 1.8-20USD/piece |
| Packaging Details: | 1.Tissue paper.plastic foam packaging film And hard carton box with quakeproof filler |
| Delivery Time: | 4-5 weeks |
| Supply Ability: | 5000 pieces/month |
| 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 |
| Highlight: | plano concave mirror,concave meniscus lens |
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AR Coated to Provide <1.25% Reflectance per Surface for 400 - 1000nm
<0.25% Reflectance @ 880nm
Designed for 0° Angle of Incidence
Plano-Concave (PCV) lenses have one flat and one inward curved surface. PCV lenses have a negative focal length and are used for image reduction or to spread light.
| 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 |
