Positive Achromatic Lenses D=25.40mm F=400.00mm SWIR SF2/N-SF6HT | GU OPTICS
Positive Achromatic Lenses D=25.40mm F=400.00mm SWIR SF2/N-SF6HT

Positive Achromatic Lenses D=25.40mm F=400.00mm SWIR SF2/N-SF6HT

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Product No. 145171

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Dia 25.40mm
EFL 400.00mm
Coating AR@1000~1650nm
Material SF2/N-SF6HT
BFL 386.70mm
R1 70.00mm
R2 -93.11mm
R3 151.36mm
CT 6.70mm
CT1 4.20mm
CT2 2.50mm
ET 6.10mm
Available Mount Ring 500019
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.
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