Positive Achromatic Lenses D=25.00mm F=400.00mm VIS BK7/SF12 | GU OPTICS
Positive Achromatic Lenses D=25.00mm F=400.00mm VIS BK7/SF12

Positive Achromatic Lenses D=25.00mm F=400.00mm VIS BK7/SF12

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Product No. 145048

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Dia 25.00mm
EFL 400.00mm
Coating AR@400~700nm
Material BK7/SF12
BFL 397.31mm
R1 245.64mm
R2 162.39mm
R3 535.82mm
CT 4.80mm
CT1 2.80mm
CT2 2.00mm
ET 4.34mm
Available Mount Ring 500022
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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