Positive Achromatic Lenses D=20.00mm F=80.00mm VIS BaK2/SF15
Product No. 145037
Stock In Stock
Express DHL, Fedex etc.

- Dia 20.00mm
- EFL 80.00mm
- Coating AR@400~700nm
- Material BaK2/SF15
- BFL 77.40mm
- R1 50.52mm
- R2 37.62mm
- R3 114.00mm
- CT 5.58mm
- CT1 3.58mm
- CT2 2.00mm
- ET 4.14mm
- Available Mount Ring 500025
- Design Wavelength --
- Diameter Tolerance +0.0/-0.1
- Center Thickness Tolerance ±0.2
- Surface Accuracy λ/4 @632.8nm
- Focal Length Tolerance ±2%
- Centering Tolerance 3~5arcmin
- Surface Quality 40-20~60-40
- Bevel 0.2X45°
- n --





































































































































































