As a professional optical glass manufacturer, we produce factory custom hemispherical BK7/K9 optical glass domes in multiple sizes, tailored for surveillance, camera protection, underwater and industrial optical systems. These domes combine excellent light transmittance, low dispersion, and high impact resistance for clear imaging and long-term durability.

Material options: BK7 / K9 / Sapphire

Custom coatings: AR / AF / AG Anti-Reflective / Anti-Fingerprint / Anti-Glare

Fast lead time: 3-5 days for samples, 10-15 days for bulk orders

✅ Key Features

- Premium BK7/K9 Construction: High-quality optical glass offers excellent light transmittance (up to 99%) and low optical distortion

- Impact & Scratch Resistant: Hardened glass provides reliable protection for camera lenses in harsh environments

- Fully Customizable: Available in custom diameters, radii, and edge treatments to fit your exact camera housing requirements

- Versatile Coatings: AR, AF, and AG coatings available to reduce glare, fingerprints, and reflections

✅ Common Applications

- Surveillance and security camera systems

- Underwater ROVs and subsea equipment

- Industrial optical sensors and instruments

- Scientific research and optical imaging systems

- Commercial building and high-security environments

All our BK7/K9 domes undergo strict quality control, including optical performance testing, impact resistance checks, and dimensional accuracy verification. We support small custom orders and large-volume production, with flexible lead times to meet your project needs.

If you need help selecting the right dome size, thickness or coating for your camera application, please contact our sales team today. We are happy to provide professional advice and a free quote based on your exact requirements.

✅ High light transmittance with optional AR coating

✅ Impact and scratch resistant BK7/K9 glass

✅ Custom sizes, shapes and coatings available

✅ 24-hour fast quotation with detailed specifications

✅ 100% inspected before shipment