Positive Achromatic Lenses D=50.80mm F=75.00mm VIS E-BAF11/N-SF11 | GU OPTICS
Positive Achromatic Lenses D=50.80mm F=75.00mm VIS E-BAF11/N-SF11

Positive Achromatic Lenses D=50.80mm F=75.00mm VIS E-BAF11/N-SF11

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Product No. 145084

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Dia 50.80mm
EFL 75.00mm
Coating AR@400~700nm
Material E-BAF11/N-SF11
BFL 61.70mm
R1 50.80mm
R2 -41.70mm
R3 -247.70mm
CT 23.00mm
CT1 20.00mm
CT2 3.00mm
ET 14.90mm
Available Mount Ring 500002
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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