Map Optics, specializing in aspheric optics manufacturing.
Subtotal: ¥255.00
Subtotal: ¥255.00
¥125.00
Surface finish: 20-10
Surface type: λ/4
Effective aperture: 90%
Dimensional error:+0.0/-0.1mm
Product manual: Double concave lens: Double concave lens has negative focal length and is usually used to increase the divergence of aggregated light.
Double concave lens:
Double concave lenses have a negative focal length and are typically used to increase the divergence of aggregated light.
| Diameter (mm) | 19 |
|---|---|
| Coating specifications | AR@375-415nm |
| material | H-ZF1 |
| Curvature R1 (mm) | 51.163 |
| Curvature R2 (mm) | 12.209 |
| Effective focal length (mm) | 15.08 |
| Center thickness Tc (mm) | 1.5 |
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