Ø50.8mm Negative Meniscus Lenses
Ø50.8mm Negative Meniscus Lenses
Product name : Ø50.8mm Negative Meniscus Lenses
Description :
Specification
| Material | N-BK7 |
| Design Wavelength | 632.8nm |
| Focal Length Tolerance | ±1% |
| Diameter Tolerance | +0.0/-0.1mm |
| Thickness Tolerance | ±0.1mm |
| Surface Accuracy | λ/4@632.8nm |
| Surface Quality | 40-20 |
| Centration | <3 arc min |
| Clear Aperture | >90% |
| Bevelling | <0.2x45∘ |
| Model | Description | Price(USD) | Quantity | |
|---|---|---|---|---|
| 0 | UF1736K | N-BK7 Negative Meniscus Lenses, Ø50.8mm, EFL: -125mm, Uncoated | - | |
| 1 | UF1829K | N-BK7 Negative Meniscus Lenses, Ø50.8mm, EFL: -150mm, Uncoated | - | |
| 2 | UF1338K | N-BK7 Negative Meniscus Lenses, Ø50.8mm, EFL: -200mm, Uncoated | - | |
| 3 | UF1269K | N-BK7 Negative Meniscus Lenses, Ø50.8mm, EFL: -250mm, Uncoated | - | |
| 4 | UF1129K | N-BK7 Negative Meniscus Lenses, Ø50.8mm, EFL: -300mm, Uncoated | - | |
| 5 | UF1115K | N-BK7 Negative Meniscus Lenses, Ø50.8mm, EFL: -400mm, Uncoated | - | |
| 6 | UF1089K | N-BK7 Negative Meniscus Lenses, Ø50.8mm, EFL: -500mm, Uncoated | - | |
| 7 | UF1591K | N-BK7 Negative Meniscus Lenses, Ø50.8mm, EFL: -1000mm, Uncoated | - |