| Brand Name | SUNDAY |
| Place of Origin | China |
| Model Number | SDF |
| Material | Other, caf2 |
| Usage | Optical |
| Shape | Spherical |
| Structure | Double Convex |
| Dia. | 4mm-200 | |
| c Material | caf2 | |
| Diameter Tol. | +0.00/-0.1mm | |
| Desigh Wavelength | 546.10nm | |
| Design Index | 1.5183 | |
| Centration | <3arcmin | |
| Clear Aperture | >90% | |
| S/D | 40-20 Scratch and dig | |
| Flatness | 1/4lambda at 632.80nm | |
| Chamfer | 0.25mmx45° | |
| Focal Length Tol. | +/-1% |
sales@sunday-optics.com www.sunday-optics.com Bess Zhang
Phone:+8615104452660 +8618744192450
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