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=25.4mm, F=198.93mm, VIS-NIR N-LaK22/N-SF10, model 145280, 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: 198.93mm
Coating: AR@400~1100nm
Material: N-LaK22/N-SF10
BFL: 195.61mm
Curvature Radius R1: 117.12mm
Curvature Radius R2: -142.11mm
Curvature Radius R3: ∞
Center Thickness CT: 8mm
Center Thickness CT1: 5mm
Center Thickness CT2: 3mm
Edge Thickness ET: 7.32mm
Available Mount Ring: 500019
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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