Positive Achromatic Lenses D=50.80mm F=200.00mm NIR N-LAK22/N-SF6HT
Product No. 145137
Stock In Stock
Express DHL, Fedex etc.

- Dia 50.80mm
- EFL 200.00mm
- Coating AR@650~1050nm
- Material N-LAK22/N-SF6HT
- BFL 193.20mm
- R1 134.00mm
- R2 -109.20mm
- R3 -515.20mm
- CT 13.20mm
- CT1 8.20mm
- CT2 5.00mm
- ET 10.10mm
- Available Mount Ring 500002
- 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 --





































































































































































