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High-Precision CNC Polished Aspherical Lenses

CASTECH INC.Request Info
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High-Precision CNC Polished Aspherical Lenses Aspheric lenses have its advantages in a range of applications where eliminated spherical aberration and/or single element design is required. CASTECH offers CNC precision-polished aspherical lenses, with or without anti-reflection (AR) coatings. Our CNC polished aspheric lenses are iteratively ground and polished by a software supported computer-controlled processing center to provide better controlled surface quality, irregularity, and focal length deviation.

CASTECH employs rigorous verification procedures to guarantee the high performance of each aspheric lens. A Form Talysurf PGI profilometer allows contact measurement in the grinding process while Taylor Hobson LuphoScan 260 non-contact 3D optical surface profilometer performs ultra-precision optical surfaces form measurement in polishing process.


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