Positive Achromatic Lenses, D=50.8mm, F=79.79mm, VIS-NIR N-LaK22/N-SF6, United Optical Technology Co., Ltd (CAT#: STEM-OP-1856-YJL)

Positive Achromatic Lenses, D=50.8mm, F=79.79mm, VIS-NIR N-LaK22/N-SF6, model 145281, is manufactured by United Optical Technology Co., Ltd.
Achromatic lenses are used to correct color and minimize or eliminate chromatic aberration. In addition, the achromatic design also helps minimize spherical aberration. Achromatic lenses are suitable for various applications such as inspection or spectroscopy.

Diameter: 50.8mm
EFL: 79.79mm
Coating: AR@400~1100nm
Material: N-LaK22/N-SF6
BFL: 72.73mm
Curvature Radius R1: 63.62mm
Curvature Radius R2: -80.62mm
Curvature Radius R3: -181.7mm
Center Thickness CT: 15mm
Center Thickness CT1: 12mm
Center Thickness CT2: 3mm
Edge Thickness ET: 7.94mm
Available Mount Ring: 500011
Design Wavelength: 587.6nm
Diameter Tolerance: +0.0/-0.1mm
Center Thickness Tolerance: ±0.2mm
Surface Accuracy: λ/4 @632.8nm
Focal Length Tolerance: ±2%
Centering Tolerance: 3-5 arcmin
Surface Quality: 40/20~60/40
Bevel: 0.2mmX45°
n: --

Achromats create smaller spots of light than monolithic lenses.

Positive Achromatic Lenses, D=50.8mm, F=179.45mm, VIS-NIR N-LaK22/N-SF6, United Optical Technology Co., Ltd (CAT#: STEM-OP-1857-YJL)
Positive Achromatic Lenses, D=50.8mm, F=298.04mm, VIS-NIR N-LaK22/N-SF6, United Optical Technology Co., Ltd (CAT#: STEM-OP-1858-YJL)
Positive Achromatic Lenses, D=50.8mm, F=397.47mm, VIS-NIR N-BaK4/N-SF10, United Optical Technology Co., Ltd (CAT#: STEM-OP-1859-YJL)
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Positive Achromatic Lenses, D=50.8mm, F=596.2mm, VIS-NIR N-BaK4/N-SF10, United Optical Technology Co., Ltd (CAT#: STEM-OP-1861-YJL)
Positive Achromatic Lenses, D=15mm, F=60mm, VIS-NIR N-BaK4/N-SF10, United Optical Technology Co., Ltd (CAT#: STEM-OP-1862-YJL)