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=49.91mm, VIS-NIR N-BK7/N-SF2, model 145273, 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: 49.91mm
Coating: AR@400~1100nm
Material: N-BK7/N-SF2
BFL: 46.56mm
Curvature Radius R1: 26.34mm
Curvature Radius R2: -22.64mm
Curvature Radius R3: -102.44mm
Center Thickness CT: 6mm
Center Thickness CT1: 4mm
Center Thickness CT2: 2mm
Edge Thickness ET: 5.02mm
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=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)
Positive Achromatic Lenses, D=25.4mm, F=74.81mm, VIS-NIR N-BaF10/N-SF6, United Optical Technology Co., Ltd (CAT#: STEM-OP-1852-YJL)
Positive Achromatic Lenses, D=25.4mm, F=99.55mm, VIS-NIR N-LaK22/N-SF10, United Optical Technology Co., Ltd (CAT#: STEM-OP-1853-YJL)
Positive Achromatic Lenses, D=25.4mm, F=149.21mm, VIS-NIR N-LaK22/N-SF10, United Optical Technology Co., Ltd (CAT#: STEM-OP-1854-YJL)