Positive Achromatic Lenses, D=12.50mm, F=31.50mm, VIS BaK2/SF15, United Optical Technology Co., Ltd (CAT#: STEM-OP-1681-YJL)

Positive Achromatic Lenses, D=12.50mm, F=31.50mm, VIS BaK2/SF15, model 145023, 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: 12.50mm
EFL: 31.50mm
Coating: AR@400~700nm
Material: BaK2/SF15
BFL: 28.86mm
Curvature Radius R1: 20.44mm
Curvature Radius R2: 14.50mm
Curvature Radius R3: 41.14mm
Center Thickness CT: 5.74mm
Center Thickness CT1: 3.85mm
Center Thickness CT2: 1.89mm
Edge Thickness ET: 4.28mm
Available Mount Ring: 500039
Design Wavelength: --
Diameter Tolerance: +0.0/-0.1
Center Thickness Tolerance: ±0.2
Surface Accuracy: λ/4@632.8nm
Focal Length Tolerance: ±2%
Centering Tolerance: 3~5 arcmin
Surface Quality: 40-20~60-40
Bevel: 0.2X45°
n: --

Achromats create smaller spots of light than monolithic lenses.

Positive Achromatic Lenses, D=12.70mm, F=19.00mm, VIS N-BAF10/N-SF6HT, United Optical Technology Co., Ltd (CAT#: STEM-OP-1682-YJL)
Positive Achromatic Lenses, D=12.70mm, F=25.00mm, VIS N-BAF10/N-SF10, United Optical Technology Co., Ltd (CAT#: STEM-OP-1683-YJL)
Positive Achromatic Lenses, D=12.70mm, F=30.00mm, VIS N-BK7/SF2, United Optical Technology Co., Ltd (CAT#: STEM-OP-1684-YJL)
Positive Achromatic Lenses, D=12.70mm, F=50.00mm, VIS N-BK7/SF2, United Optical Technology Co., Ltd (CAT#: STEM-OP-1685-YJL)
Positive Achromatic Lenses, D=12.70mm, F=75.00mm, VIS N-BK7/SF2, United Optical Technology Co., Ltd (CAT#: STEM-OP-1686-YJL)
Positive Achromatic Lenses, D=15.00mm, F=50.00mm, VIS BAK2/SF15, United Optical Technology Co., Ltd (CAT#: STEM-OP-1687-YJL)