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=179.45mm, VIS-NIR N-LaK22/N-SF6, model 145282, 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: 179.45mm
Coating: AR@400~1100nm
Material: N-LaK22/N-SF6
BFL: 173.52mm
Curvature Radius R1: 144.4mm
Curvature Radius R2: -115.4mm
Curvature Radius R3: -328.2mm
Center Thickness CT: 13.5mm
Center Thickness CT1: 9.5mm
Center Thickness CT2: 4mm
Edge Thickness ET: 10.41mm
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=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)
Positive Achromatic Lenses, D=50.8mm, F=496.83mm, VIS-NIR N-BaK4/N-SF10, United Optical Technology Co., Ltd (CAT#: STEM-OP-1860-YJL)
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)
Negative Achromatic Lenses, D=12.50mm, F=-25.00mm, VIS BK7/F2, United Optical Technology Co., Ltd (CAT#: STEM-OP-1863-YJL)