Standard Accuracy Precision Polished Aspherical Lenses, D=12.50mm, F=9.50mm, Uncoated, United Optical Technology Co., Ltd (CAT#: STEM-OP-1295-YJL)

Standard Accuracy Precision Polished Aspherical Lenses, D=12.50mm, F=9.50mm, Uncoated, model 140608, is manufactured by United Optical Technology Co., Ltd.
Standard precision precision polished aspherical lenses are different from molded aspherical lenses. They are lenses made using precision polishing processing methods. They can produce large diameter (≥ 10 mm) aspherical lenses with smaller aspherical surface errors. The surface of an aspherical lens is optimized to use a more complex outer surface, and the curvature gradually changes from the center of the lens to the outside of the lens edge to reduce spherical aberration. When focusing the collimated beam, it should be incident on the aspherical side of the lens, and when collimating the light emitted by the point source, it should be incident on the lens plane to achieve minimal spherical aberration.

Diameter: 12.50mm
EFL: 9.50mm
Coating: Uncoated
Material: H-ZF2
BFL: 6.51mm
NA: 0.66
CT: 5.00mm
ET: 1.60mm
Design Wavelength: 587.6nm
Diameter Tolerance: +0/-0.1mm
Center Thickness Tolerance: ±0.1mm
Clear Aperture: 0.9
Asphere Figure Error: RMS 0.75μm
Centering Tolerance: ＜5′
Surface Quality: 60/40

Standard precision aspheric lenses have an aspheric shape error of RMS 0.75μm. Due to the small precision aspheric shape error, these lenses are ideal for applications requiring spherical aberration correction, including imaging applications and laser focusing applications.
Precision polished processing with smaller aspheric surface error.

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