Ø18mm Lenses, EFL. 20 ~ 50mm
Ø18mm Lenses, EFL. 20 ~ 50mm
Product name : Ø18mm Lenses, EFL. 20 ~ 50mm
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∘ |
| AR Coating | Uncoated ( AR coating is available ) |
| Model | Description | Price(USD) | Quantity | |
|---|---|---|---|---|
| 0 | UA1859K | N-BK7 Plano-Convex Lenses, Ø18mm, EFL:20mm, Uncoated | $21 | |
| 1 | UA1270K | N-BK7 Plano-Convex Lenses, Ø18mm, EFL:25mm, Uncoated | $20.5 | |
| 2 | UA1085K | N-BK7 Plano-Convex Lenses, Ø18mm, EFL:30mm, Uncoated | $20 | |
| 3 | UA1119K | N-BK7 Plano-Convex Lenses, Ø18mm, EFL:50mm, Uncoated | $20 |