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=29.87mm, VIS-NIR BAFN11/N-SF6, model 145275, 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: 25.4mm
EFL: 29.87mm
Coating: AR@400~1100nm
Material: BAFN11/N-SF6
BFL: 21.34mm
Curvature Radius R1: 20.03mm
Curvature Radius R2: -17.44mm
Curvature Radius R3: -93.08mm
Center Thickness CT: 15mm
Center Thickness CT1: 12mm
Center Thickness CT2: 3mm
Edge Thickness ET: 9.6mm
Available Mount Ring: 500020
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=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)
Positive Achromatic Lenses, D=25.4mm, F=198.93mm, VIS-NIR N-LaK22/N-SF10, United Optical Technology Co., Ltd (CAT#: STEM-OP-1855-YJL)
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)