Min. Order: | 5 Piece/Pieces |
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Trade Term: | FOB |
Payment Terms: | T/T |
Supply Ability: | 100000-5000000 |
Place of Origin: | Jilin |
Location: | Changchun, Jilin, China (Mainland) |
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Business Type: | Manufacturer |
Means of Transport: | Air |
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Production Capacity: | 100000-5000000 |
Packing: | carbon box |
Delivery Date: | 30days |
Parameter | |
Diameter | 2-150mm |
Diameter Tolerance | +0/-0.1mm |
Thickness Tolerance | +/-0.15mm |
Focal length Tolerance | +/-2%mm |
Centration | <3′ |
Bevel | 0.2mm-0/+0.2mmX45° |
Surface Quality | 60/40 |
Surface Flatness | lambda/4@633nm |
Clear Aperture | >90% |
Material | Optical crystal such as glass, quartz, calcium fluoride, germanium, silicon |
Coating | Specified by Customers |