| Customization: | Available |
|---|---|
| Usage: | Lighting, Medical, Optical, Photography, Astronomy |
| Type: | Concave Lens |
|
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| Items | Description | |
| Biconcave Lens | Material: | CDGM H-ZF7L |
| Diameter: | 19.00-0.01/-0.02mm | |
| Center thickness: | 4.50+/-0.05mm | |
| ROC1: | 13.91mm+/-0.1% CC | |
| ROC2: | 27.83mm+/-0.1% CC | |
| Flatness: | 3/-(1/0.5) | |
| Surface quality: | 5/5x0.018;L3x0.04 | |
| Centerness: | 4/2min | |
| Clear aperture: | >D12.5mm | |
| Chamfer: | protected | |
| Coating: | AR coating,Ravg<=0.5%@400-700nm,AOI:<40deg | |
| Standard: | MIL-PRF-13830B | |
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