Negative Achromatic Lenses D=12.70mm F=-30.00mm VIS N-BAK4/SF5
Product No. 145191
Stock In Stock
Express DHL, Fedex etc.

- Dia 12.70mm
- EFL -30.00mm
- Coating AR@400~700nm
- Material N-BAK4/SF5
- BFL -32.20mm
- R1 -16.20mm
- R2 16.50mm
- R3 154.20mm
- CT 3.80mm
- CT1 1.50mm
- CT2 2.30mm
- ET 5.20mm
- Available Mount Ring 500030
- 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 --





































































































































































