Positive Achromatic Lenses D=25.00mm F=250.00mm VIS BK7/SF12 | GU OPTICS
Positive Achromatic Lenses D=25.00mm F=250.00mm VIS BK7/SF12

Positive Achromatic Lenses D=25.00mm F=250.00mm VIS BK7/SF12

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Product No. 145046

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Dia 25.00mm
EFL 250.00mm
Coating AR@400~700nm
Material BK7/SF12
BFL 247.77mm
R1 153.83mm
R2 101.34mm
R3 333.21mm
CT 4.22mm
CT1 2.71mm
CT2 1.51mm
ET 3.48mm
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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