Negative Achromatic Lenses D=40.00mm F=-200.00mm VIS BK7/N-SF5
Product No. 145204
Stock In Stock
Express DHL, Fedex etc.
- Dia 40.00mm
- EFL -200.00mm
- Coating AR@400~700nm
- Material BK7/N-SF5
- BFL -201.10mm
- R1 -121.22mm
- R2 90.50mm
- R3 275.37mm
- CT 5.95mm
- CT1 2.45mm
- CT2 3.50mm
- ET 8.34mm
- Available Mount Ring N/A
- 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 --