Precision CNC Aspherical Lenses
Featured Product from CASTECH, Inc.

High-Performance Aspherical Lenses for Precision Applications
CASTECH's precision CNC-polished aspherical lenses are designed for professionals seeking superior optical performance in demanding applications. These lenses offer exceptional clarity, precise alignment, and reliable performance across a range of industries.
Key Features:
- Custom Dimensions: Diameters from 5 to 200 mm, tailored to exact specifications.
- Clear Aperture: Central 90% of the diameter for maximum light transmission.
- Surface Quality: λ/10 @ 632.8 nm irregularity and 10-5 S/D surface quality ensure minimal distortion.
- Centration Accuracy: Less than 3 arc minutes for precise optical alignment.
- High Laser Damage Threshold: Perfect for high-power laser applications.
- Custom Coatings: Standard and bespoke anti-reflection (AR) coatings to suit diverse needs.
- Broad Wavelength Compatibility: Materials suitable for DUV to IR applications.
Applications:
- Imaging Systems: Enhances clarity in cameras and telescopes.
- Optical Instruments: Boosts performance in microscopes and spectrometers.
- Laser Systems: Enables accurate focusing and reduced distortion.
- Medical Devices: Ensures reliable imaging in endoscopes and diagnostic tools.
- Consumer Electronics: Elevates optical quality in smartphones and AR devices.
CASTECH's aspherical lenses are precision-engineered to deliver unparalleled performance, helping professionals achieve optimal results in their optical systems. For customized solutions or detailed specifications, contact us today.
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