Positive Achromatic Lenses D=25.40mm F=75.00mm VIS N-BK7/SF5
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Product No. 145056
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- Dia 25.40mm
- EFL 75.00mm
- Coating AR@400~700nm
- Material N-BK7/SF5
- BFL 70.30mm
- R1 46.50mm
- R2 -33.90mm
- R3 -95.50mm
- CT 9.50mm
- CT1 7.00mm
- CT2 2.50mm
- ET 6.90mm
- Available Mount Ring 500020
- 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 --
Achromatic lenses are commonly used for colour correction to minimize or eliminate the colour aberration. The achromatic design also helps minimize spherical aberrations. Achromatic Lenses are ideal for various applications such as detection or spectroscopy. Achromatic lenses can create smaller spot sizes compare with singlet lenses. Grand Unified Optics offers achromatic lenses with various AR coatings suitable for your application.
