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=74.81mm, VIS-NIR N-BaF10/N-SF6, model 145277, 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: 74.81mm
Coating: AR@400~1100nm
Material: N-BaF10/N-SF6
BFL: 66.01mm
Curvature Radius R1: 51.98mm
Curvature Radius R2: -43.36mm
Curvature Radius R3: -217.36mm
Center Thickness CT: 12mm
Center Thickness CT1: 8mm
Center Thickness CT2: 4mm
Edge Thickness ET: 10.05mm
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.

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