Positive Achromatic Cylinder Lenses, D=25.40mm, F=250.00mm, NIR H-K9/H-ZF13, United Optical Technology Co., Ltd (CAT#: STEM-OP-2646-YJL)

Positive Achromatic Cylinder Lenses, D=25.40mm, F=250.00mm, NIR H-K9/H-ZF13, model 159019, is manufactured by United Optical Technology Co., Ltd.
Achromatic lenses have significant advantages over monolithic lenses of equal diameter and focal length. It is more suitable for broadband light sources to minimize chromatic aberration and can produce concentrated lines or clear irregular-shaped images with less dispersion. It is widely used in laser shaping, laser projection and other related fields.

Diameter: Φ25.40mm(mounting ring diameter)
EFL: 250.00mm
Coating: AR@650~1050nm
Material: H-K9/H-ZF13
BFL: 243.20mm
Center Thickness CT: 12.00mm
Available Mount Ring: Mounted
Diameter Tolerance: +0.0/-0.1mm
Center Thickness Tolerance: ±0.2mm
Surface Accuracy: 1λ@632.8nm
Focal Length Tolerance: ±2%
Centering Tolerance: ＜5 arcmin
Surface Quality: 40/20-60/40
Bevel: 0.2mmX45°

Positive cemented achromatic cylindrical lenses (Positive Achromatic Cylinder Lenses) are cemented together from two cylindrical lenses made of materials with different refractive index and different dispersion rate. It can reduce chromatic aberration and spherical aberration to a great extent, and can better focus the incident light into a line. The double-glued design also further optimizes the performance of the lens.
It can reduce chromatic aberration and spherical aberration to a great extent, and can better focus the incident light into a line.

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