Positive Achromatic Lenses D=50.80mm F=300.00mm VIS N-BK7/SF2
Product No. 145091
Stock In Stock
Express DHL, Fedex etc.

- Dia 50.80mm
- EFL 300.00mm
- Coating AR@400~700nm
- Material N-BK7/SF2
- BFL 295.40mm
- R1 161.50mm
- R2 -134.00mm
- R3 -580.80mm
- CT 8.00mm
- CT1 6.00mm
- CT2 2.00mm
- ET 5.40mm
- Available Mount Ring 500001
- 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 --





































































































































































