Spherical Lenses
Optical Dome
Cylindrical lenses
Optical Windows
Optical Prisms
Optical Filters
HRFZ-Si THz Lens
Welcome to CLZ Optical Co., Ltd.
CLZ Optical was founded in 2012 with a commitment to the processing and manufacturing of precision optical components.
Our products are used in a wide variety of fields including optical imaging, optical testing, medical instruments, lasers, and more. We have a wide array of metrological instruments including ZYGO interferometer, Agilent Cary 5000 Spectrophotometer, various instruments for measuring transmission, reflection, centration, focal length, and more...
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HOT PRODUCTS of PRECISION OPTICS
To ensure each product can meet the specifications of our customer’s drawings and needs, we strictly follow ISO9001 quality certification system standards.
Optical Domes as high pressure viewports using in submersibles (Underwater optical dome)
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Fused silica lenses for F-Theta Lenses
Custom Plano-Concave Lenses for Laser Optics
Large Optical Lenses / Large Optics
Custom Optical Triplet Lenses
THz Lenses
Optical domes for Pyranometer in High Quality, High-precision
Large custom optical domes for Submersible ROV’s in underwater imaging
Step Optical Windows
Silicon windows and Silicon lenses for Infra-Red Imaging Systems
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CLZ has won the trust of domestic and foreign customers as its products are widely exported to markets in the United States, European Union, Japan, and other developed regions.
NEWS & EVENTS
Sapphire Materials: From Crystal Structure to Precision Optical Applications
Jul. 31, 2026
Achromatic Lenses: How Achromatic Doublets Reduce Chromatic Aberration
Jul. 30, 2026
N-BK7 Optical Windows: How to Select Flatness, Coating, Thickness, and Wedge
