Hard Protective Surface
Sapphire helps reduce surface wear where the dome may face contact, particles, cleaning, or outdoor exposure.
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Custom Sapphire Waterproof Hemispherical Dome | Corrosion Resistant Sapphire Optical Cover
| Share | |
|---|---|
| Categories | Sapphire Optical Dome |
| Brand | FELIX GLASS optical glass Manufacturing base |
| Model | FG-DOM-001 |
| Model | dome lens |
| Material | Synthetic Single-Crystal Sapphire (BK7/K9 optical glass available as secondary custom option) |
| Surface | AR Coating, High Transmittance |
| Product Type | Optical Dome Lens, Protective Optical Dome |
| Application | Camera, Surveillance, Aerospace, Industrial, Medical |
| Customization | OEM/ODM, Custom Size, Slanted Edge, Coating |
| Feature | High Transmittance, IR Compatible, High Hardness, Protective |
| Shape | Hemispherical / Hyper‑hemispherical |
| Diameter: | 10mm-200mm customizable |
| Waterproof Rating | IP68 for underwater use |
| Transmittance | Up to 99% with optional AR coating |
| Unit Price | US $ 2.91-7.55 / piece |
| FOB port | SHENGZHEN SHANGHAI GUANGZHOU |
| Terms of Payment | L/C, D/A, D/P, Western Union |
| Download |  |
Detail Information
Sapphire waterproof hemispherical dome
Custom Sapphire Waterproof Hemispherical Dome for Corrosion Resistant Optical Covers
Hong Kong Felix Glass Co., Limited manufactures custom sapphire waterproof hemispherical dome covers for optical systems that need a curved protective window, stable imaging, corrosion resistance, and long service life in wet, exposed, or abrasive environments.
Single-crystal sapphire option for hard protective covers
Waterproof optical dome design support
OEM size, curvature, edge, and coating customization
Request Dome Quote
Direct answer
What Is a Sapphire Waterproof Hemispherical Dome?
A sapphire waterproof hemispherical dome is a curved optical cover used to protect cameras, sensors, inspection optics, and observation equipment while allowing light to pass through the dome surface. Compared with common glass covers, sapphire is selected when the project needs higher hardness, corrosion resistance, and stronger durability in marine, industrial, outdoor, or controlled optical systems.
Optical Cover Function
Hemispherical geometry protects the lens path while supporting wide-angle observation and imaging assemblies.
Corrosion Resistant Use
The material is suitable for equipment exposed to moisture, salt spray, chemicals, or long-term environmental stress.
Optical engineering performance
High Transmittance Sapphire Optical Cover Performance
The original performance focus is retained and rebuilt into a clearer engineering format for buyers comparing sapphire dome, hemispherical sapphire cover, and waterproof optical cover options.
Stable Optical Transmission
Material selection, polishing route, and optional AR coating can be reviewed around the camera, sensor, or wavelength requirement.
Reduced Dome Distortion
Custom curvature, wall thickness, and lens-position discussion help support stable imaging through the curved cover.
Environmental Resistance
The dome can be specified for waterproof sealing structures, humidity exposure, and demanding service conditions.
Precision Alignment Support
Diameter, flange, edge, and mounting details can be produced according to assembly drawings.
Application clusters
Waterproof Sapphire Dome Uses for Marine, Security, Industrial, and Optical Systems
This dome is used where a flat window is not enough for field of view, waterproof protection, or external durability.
Underwater Imaging Systems
Used in underwater cameras, ROV inspection equipment, marine monitoring devices, and subsea optical modules.
Surveillance and Security
Supports outdoor camera protection where rain, dust, humidity, and repeated cleaning may damage ordinary covers.
Industrial Machine Vision
Protects inspection optics, automation cameras, and measurement systems in industrial environments.
Problems and solutions
How a Corrosion Resistant Sapphire Optical Dome Solves Common Cover Problems
Optical Distortion in Curved Domes
Problem: Poor curvature control can affect image clarity.
Solution: Precision grinding and polishing help maintain controlled dome geometry and stable optical transmission.
Environmental Exposure Damage
Problem: Water, humidity, dust, and chemicals can reduce cover life.
Solution: Sapphire material and waterproof assembly support help protect the optical path in harsh conditions.
Low Optical Efficiency
Problem: Unmatched material or coating can lower brightness and contrast.
Solution: Optical-grade material, polishing quality, and optional AR coating can be selected for the target system.
Custom specification guide
Custom Hemispherical Sapphire Cover Options
Felix Glass reviews dome projects by drawing, optical path, mounting method, sealing requirement, and operating environment.
| Item | Custom Direction | Buyer Note |
|---|---|---|
| Material | Synthetic single-crystal sapphire; BK7/K9 optical glass can be reviewed for secondary options | Choose sapphire when hardness, corrosion resistance, and demanding use are important. |
| Shape | Hemispherical or hyper-hemispherical dome | Curvature should match field of view, lens position, and waterproof housing design. |
| Diameter | 10 mm to 200 mm custom range by feasibility review | Final tolerance depends on size, wall thickness, and drawing requirements. |
| Surface | Precision polished with optional AR coating | Coating can improve transmission or reduce reflection for selected wavelengths. |
| Waterproof Use | IP-rated assembly support according to customer structure | Seal design should be confirmed together with the housing and gasket plan. |
Manufacturing capability
Precision Manufacturing Process for Custom Sapphire Optical Dome Orders
The existing manufacturing content is preserved with a stronger OEM workflow: drawing review, blank preparation, CNC grinding, polishing, coating, inspection, and protective packaging.
Drawing Review
Confirm diameter, curvature, wall thickness, edge design, coating, and application environment.
CNC Grinding
Control dome geometry and edge structure with diamond tooling and process planning.
Optical Polishing
Support the required surface quality and transmission performance for imaging systems.
Coating and Inspection
Optional AR coating, dimensional checks, surface review, and optical inspection can be arranged.
Why Felix Glass
Hong Kong Felix Glass Co., Limited Custom Sapphire Optical Components Support
For US-market and global OEM buyers, Felix Glass supports drawing-based sapphire optical components with engineering communication, prototype review, batch production, inspection, and export packaging.
FAQ
Frequently Asked Questions About Waterproof Sapphire Hemispherical Domes
Can the sapphire dome be customized for underwater camera housings?
Yes. Diameter, curvature, edge, wall thickness, and coating can be reviewed around the camera housing, lens position, pressure condition, and sealing design.
Is sapphire better than BK7 or K9 glass for this dome?
Sapphire is usually chosen when hardness, corrosion resistance, and exposed-use durability are more important. BK7 or K9 can still be discussed for less demanding optical glass dome projects.
Can AR coating be added?
AR coating can be reviewed according to wavelength, angle, dome size, and final optical requirement.
What information is needed for quotation?
Please provide diameter, curvature or drawing, material, thickness, quantity, coating requirement, waterproof condition, and application details.
Action
Send Your Waterproof Sapphire Dome Drawing for Engineering Review
Share your drawing, diameter, curvature, coating target, and application environment. Felix Glass can review feasibility and prepare a custom quotation for your sapphire optical cover project.
Need Custom Optical Glass Solution?
Send us your drawing, dimension & coating requirements for fast quotation within 24 hours.
Get Free RFQRelated Products
Custom Precision Optical & Glass Components Manufacturer – Felix Glass Co., Limited.
We supply Industrial Glass, Sapphire Optics, Optical Lenses/Prisms/Filters, Infrared IR Optics, Functional & Display Glass, N-BK7/H-K9L Optical Glass, supporting OEM mass production and laboratory custom prototypes. Flexible MOQ & free sample service available. Fill in the form to download full datasheets and get factory wholesale price within 24 hours.
CONTACT US NOW FOR A QUOTE
Send an inquiry now—we will respond promptly within 1–24 hours and provide our best formal quote within 1–2 days! Let’s start a mutually beneficial partnership today...
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Learn more from our FAQ
- What is your MOQ for custom optical glass and display glass parts?
Felix Glass offers highly flexible MOQ to support client projects, including prototype testing, small batch trial orders and large-volume mass production. All products can be fully customized according to your drawings, tolerances and application standards. Send us your specs to get an accurate price quote within 24 hours.
- Can I get free glass samples for testing before bulk order?
Yes, our FELIX GLASS factory supports sample testing for a wide range of precision optical glass components and assemblies. The lead time for sample production is 3 to 7 working days. Please contact us today to arrange samples and obtain a customized solution that meets your needs.
- What is the production lead time for custom optical glass components?
What is the production lead time for custom optical glass components?
Answer: The lead time for standard samples is 3–7 business days, while mass production takes 15–25 business days, depending on product complexity and order volume. We provide reliable, rapid delivery for orders serving the industrial, medical, automotive, and aerospace sectors. Please submit your project details to receive an accurate delivery schedule.
- Are your optical glass products ISO, CE and RoHS certified?
All FELIX GLASS precision optical glass components comply with ISO quality system standards, as well as CE and RoHS requirements. We provide comprehensive test reports, material certificates, and inspection documentation for customer review. Please feel free to request full certification details and a formal quotation today.
- Do you offer one-stop custom optical glass processing services?
Yes. We provide a full range of in-house processing services, including CNC machining, precision grinding, optical polishing, vacuum coating (AR, AF, AG, IR), tempering, and screen printing. Every step—from raw material to finished product—is carried out within our own facility. Please let us know your requirements, and we will provide you with the most cost-effective solution.
CONTACT US NOW FOR A QUOTE
Send an inquiry now—we will respond promptly within 1–24 hours and provide our best formal quote within 1–2 days! Let’s start a mutually beneficial partnership today...
- Name
- *Title
- *Content
