Positive Achromatic Lenses, D=12.7mm, F=18.89mm, VIS-NIR N-LAK10/N-SF57, United Optical Technology Co., Ltd (CAT#: STEM-OP-1845-YJL)

Positive Achromatic Lenses, D=12.7mm, F=18.89mm, VIS-NIR N-LAK10/N-SF57, model 145270, 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: 12.7mm
EFL: 18.89mm
Coating: AR@400~1100nm
Material: N-LAK10/N-SF57
BFL: 16.29mm
Curvature Radius R1: 14.29mm
Curvature Radius R2: -13.76mm
Curvature Radius R3: -68.52mm
Center Thickness CT: 5mm
Center Thickness CT1: 4mm
Center Thickness CT2: 1mm
Edge Thickness ET: 3.22mm
Available Mount Ring: 500030
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=12.7mm, F=24.86mm, VIS-NIR N-LAK10/N-SF57, United Optical Technology Co., Ltd (CAT#: STEM-OP-1846-YJL)
Positive Achromatic Lenses, D=12.7mm, F=29.92mm, VIS-NIR N-BK7/N-SF2, United Optical Technology Co., Ltd (CAT#: STEM-OP-1847-YJL)
Positive Achromatic Lenses, D=12.7mm, F=49.91mm, VIS-NIR N-BK7/N-SF2, United Optical Technology Co., Ltd (CAT#: STEM-OP-1848-YJL)
Positive Achromatic Lenses, D=12.7mm, F=74.9mm, VIS-NIR N-BK7/N-SF2, United Optical Technology Co., Ltd (CAT#: STEM-OP-1849-YJL)
Positive Achromatic Lenses, D=25.4mm, F=29.87mm, VIS-NIR BAFN11/N-SF6, United Optical Technology Co., Ltd (CAT#: STEM-OP-1850-YJL)
Positive Achromatic Lenses, D=25.4mm, F=49.84mm, VIS-NIR N-BaF10/N-SF6, United Optical Technology Co., Ltd (CAT#: STEM-OP-1851-YJL)