Negative Achromatic Lenses D=12.50mm F=-25.00mm VIS BK7/F2
Product No. 145187
Stock In Stock
Express DHL, Fedex etc.
- Dia 12.50mm
- EFL -25.00mm
- Coating AR@400~700nm
- Material BK7/F2
- BFL -27.50mm
- R1 -15.60mm
- R2 13.09mm
- R3 44.16mm
- CT 5.67mm
- CT1 3.00mm
- CT2 2.67mm
- ET 7.42mm
- 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 --