| Customization: | Available |
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| Usage: | Lighting, Medical, Optical, Photography, Astronomy |
| Type: | Spherical Lens |
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| Items | Description | |
| Spherical Lens | Material: | Schott N-SF4 |
| Diameter: | 40.50+0.00/-0.30mm | |
| Center thickness: | 9.0+/-0.2mm | |
| ROC1: | 74.881mm,CC,Sph | |
| ROC2: | 110.717mm,CX,Sph | |
| Surface flatness: | S1&S2:PWR:PV<5fr@633nm;IRR:PV<1fr@633nm | |
| Surface quality: | S1&S2:40-20 | |
| Centerness: | ETD<0.13mm at dia38.0mm | |
| Clear aperture: | >90% | |
| Chamfer: | <0.2mmx45deg | |
| Coating: | S1&S2:AR coating,Ravg<1.0%@500-560nm, | |
| Ravg<1.5%@450-640nm,AOI:0-25deg | ||
| Standard: | MIL-PRF-13830B | |
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