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Your Reliable Ultra-Precision Optical Lenses Supplier

Customized production of spherical lenses, optical windows, filters, mirrors, prisms, and beam splitters with over 20 years of manufacturing excellence in China.

Competitive Price

Fast Delivery

Good Quality

After-Sales Support

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About BORISUN Optics

BORISUN Optics is a leading Chinese manufacturer of ultra-precision optical components with over two decades of experience in the industry. We specialize in the design, development, and production of high-quality optical lenses, filters, mirrors, prisms, windows, and beam splitters for a wide range of industrial, scientific, and laser applications.

Our commitment to innovation, quality, and customer satisfaction has made us a trusted partner for clients worldwide. From sourcing raw materials to final inspection, every step of our manufacturing process is optimized for precision, consistency, and reliability.

20+

Years Experience

50+

Countries Served

1000+

Custom Projects

Optical Achromat Lens Plano Concave Lens IR Pass Filter Dome Lens

Our Optical Products

Achromatic Doublets Lenses

Achromatic Doublets Lenses

Precision-corrected lenses designed to minimize chromatic aberration. Ideal for imaging and laser systems requiring high clarity and color correction.

  • Anti-reflective coating options
  • Custom focal lengths available
  • N-BK7, SF2, or custom glass
Plano Concave Lenses

Plano Concave Lenses

Negative focal length lenses used to diverge light beams. Commonly used in beam expansion, projection, and optical instrumentation.

  • Diameter: 5mm to 100mm
  • Focal lengths from -10mm to -500mm
  • AR, UV, or custom coatings
IR Pass Filter

IR Pass Filters

High-performance colored glass filters that transmit infrared light while blocking visible wavelengths. Ideal for surveillance and thermal imaging.

  • 510nm cut-off wavelength
  • 25mm standard diameter
  • Custom sizes and specs
Dome Lenses

Dome Lenses

Hemispherical lenses used in laser diode collimation and fiber coupling. Provide excellent beam shaping with minimal spherical aberration.

  • High NA for efficient coupling
  • AR-coated for reduced reflection
  • Custom radius and materials
Germanium Windows

Germanium Windows

High-index infrared optical windows ideal for thermal imaging, FLIR, and CO2 laser systems. Excellent transmission in 2–14 μm range.

  • AR or anti-fog coatings
  • Polished or wedged options
  • Diameters up to 150mm
Sapphire Windows

Sapphire Windows

Extremely durable optical windows with high scratch resistance and broad transmission from UV to mid-IR. Ideal for harsh environments.

  • Transmission: 0.15–5.5 μm
  • High thermal conductivity
  • Custom thickness and AR coatings
Right Angle Prisms

Right Angle Prisms

90° reflecting prisms used for beam deviation, image rotation, and optical alignment. Made from high-homogeneity optical glass.

  • N-BK7, SF11, or fused silica
  • Protected or enhanced aluminum coating
  • Custom apex angles
Beam Splitter Cubes

Beam Splitter Cubes

Precision cubes that split incident light into reflected and transmitted beams. Used in interferometry, imaging, and laser systems.

  • 50/50, 70/30, or custom ratios
  • Coated for visible or NIR wavelengths
  • Glued or air-spaced designs
View All Products

Why Choose BORISUN?

We combine advanced technology, rigorous quality control, and customer-first service to deliver optical solutions you can trust.

Innovation & R&D

Continuous research and development ensure our optical components meet the latest industry standards and emerging technological demands.

Precision Manufacturing

State-of-the-art CNC grinding, polishing, and coating equipment guarantee micron-level accuracy and surface quality across all components.

Quality Assurance

Every product undergoes strict inspection using interferometers, spectrophotometers, and surface profilers to ensure compliance with ISO standards.

20+

Years in Business

10K+

Components Shipped

50+

Global Clients

99.8%

Quality Pass Rate

Frequently Asked Questions

What materials do you use for optical lenses?

Can you provide custom optical coatings?

What is your typical lead time for custom orders?

Do you offer optical design and drawing services?

Get in Touch

Have a project or inquiry? Contact BORISUN today for a fast and accurate quote.

Contact Information

  • No 188. Shi Ma Road, Hantai District, Hanzhong City, Shaanxi Province
  • +86 13772020541
  • +86 13772020541
  • [email protected]

Let's Get Started

We welcome your RFQs and technical inquiries. Our team is ready to support your optical component needs with professionalism and precision.

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