Positive Achromatic Lenses D=20.00mm F=63.00mm VIS BaK2/SF15 | GU OPTICS
Positive Achromatic Lenses D=20.00mm F=63.00mm VIS BaK2/SF15

Positive Achromatic Lenses D=20.00mm F=63.00mm VIS BaK2/SF15

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Product No. 145036

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Dia 20.00mm
EFL 63.00mm
Coating AR@400~700nm
Material BaK2/SF15
BFL 59.69mm
R1 40.18mm
R2 29.37mm
R3 86.91mm
CT 7.05mm
CT1 4.78mm
CT2 2.27mm
ET 5.21mm
Available Mount Ring 500025
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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