| Customization: | Available |
|---|---|
| Usage: | Lighting, Medical, Optical, Photography, Astronomy |
| Type: | Achromatic Lens |
|
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| Items | Description | |
| Doublet Lens | Material: | Schott N-BK7 |
| Schott SF5 | ||
| Diameter: | 42.00+0.00/-0.05mm | |
| Center thickness: | 8.0+/-0.1mm | |
| ROC1: | 2100mm,CX | |
| ROC2=ROC3: | 268.237mm,CX/CC | |
| ROC4: | 468.619mm,CX | |
| Flatness: | S1&S2&S3&S4:3/3(0.5) | |
| Surface quality: | S1&S2&S3&S4:40-20 | |
| Centerness: | <3arcmin | |
| Clear aperture: | >90% | |
| Chamfer: | protected | |
| Coating: | S1&S4:AR coating,Ravg<0.5%@400-700nm,AOI:0deg | |
| Standard: | MIL-PRF-13830B | |
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