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Custom Sapphire Waterproof Hemispherical Dome | Corrosion Resistant Sapphire Optical Cover

Custom Sapphire Waterproof Hemispherical Dome | Corrosion Resistant Sapphire Optical Cover

FOB Price

US $7.55
5 - 99 piece
US $6.98
100 - 999 piece
US $4.69
1000 - 4999 piece
US $2.91
5000 - 9999 piece

group nameSapphire Optical Dome
Min Order5 piece
brand nameFELIX GLASS optical glass Manufacturing base
modelFG-DOM-001
payment methodL/C, D/A, D/P, Western Union
update timeFri, 17 Jul 2026 19:53:36 GMT

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Paramtents

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

Packging & Delivery

Size50cm x50cm x30cm
Weight0.5kg / piece
Min Order5 piece

Briefing

Custom sapphire hemispherical dome for waterproof optical covers in marine, surveillance, industrial and OEM systems.

Detailed

Sapphire waterproof hemispherical dome

Custom Sapphire Waterproof Hemispherical Dome for Corrosion Resistant Optical Covers

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

custom sapphire waterproof hemispherical dome corrosion resistant optical cover

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.

Hard Protective Surface

Sapphire helps reduce surface wear where the dome may face contact, particles, cleaning, or outdoor exposure.

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.

hemispherical sapphire cover with polished optical dome surface

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.

sapphire optical dome cover for underwater camera and ROV equipment

Underwater Imaging Systems

Used in underwater cameras, ROV inspection equipment, marine monitoring devices, and subsea optical modules.

corrosion resistant sapphire optical cover for outdoor surveillance camera

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

Felix Glass Co., Limited Custom Sapphire Optical Components Support

Felix Glass supports drawing-based sapphire optical components with engineering communication, prototype review, batch production, inspection, and export packaging.

19 yearsOptical glass and sapphire component customization experience.

OEM / ODMCustom dome size, edge, coating, and assembly-support discussion.

Quality controlDimensional, surface, coating, and packaging checks before shipment.

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.