Single-Crystal Sapphire
Selected for scratch resistance, stable optical protection and long service in demanding environments.
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✔ OEM / ODM Customization
✔ Free Drawing DFM Technical Review
✔ 24-Hour Professional Quotation
✔ Flexible Low MOQ & Fast Prototypes
Custom Sapphire Optical Dome | OEM Custom Single Crystal Sapphire Spherical Cover
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| Categories | Sapphire Optical Dome |
| Brand | FELIX GLASS optical glass Manufacturing base |
| Model | FG-GENERAL-OPTICAL-DOME-001 |
| Material Options | Synthetic Single-Crystal Sapphire (BK7/K9 optical glass available as secondary custom option) |
| Customizable Items | Diameter, wall thickness, hemispherical curvature, edge finish, functional coating |
| Optional Coating | AR anti-reflective, AG anti-glare, AF anti-fog coating |
| Optical Surface Grade | Up to λ/10 precision polishing standard |
| Dimensional Tolerance | Up to ±0.01mm per customer drawing |
| Diameter Custom Range | Custom 10–350mm outer diameter |
| Production Service | OEM / ODM full engineering custom service |
| MOQ Support | 1 piece prototype sampling available |
| Quality System | ISO 9001 certified full traceability inspection system |
| Main Application | Underwater optical systems, laser equipment, aerospace sensors, industrial imaging, machine vision, |
| Unit Price | US $ 2.88-5.99 / piece |
| FOB port | SHENGZHEN SHANGHAI GUANGZHOU |
| Terms of Payment | L/C, D/A, D/P, Western Union |
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Detail Information
Attention stage
Custom Sapphire Optical Dome for Drawing-Based Optical Protection
Hong Kong Felix Glass Co., Limited manufactures OEM custom single-crystal sapphire spherical covers for optical systems that need a hard, clear and dimensionally controlled protective dome.
This renovated product page keeps the original content direction: custom size, sapphire optical dome engineering, optional coating, prototype support, tight drawing review and production for underwater, aerospace, laser, imaging and machine vision equipment.
Direct answer
What This OEM Sapphire Spherical Cover Is Built For
A sapphire optical dome is used when the optical path needs protection from abrasion, pressure, outdoor exposure, cleaning, heat or chemical contact while still allowing imaging or sensing through a curved cover.
The dome can be reviewed around diameter, wall thickness, radius, edge finish, coating and inspection method so the part fits the housing instead of forcing the equipment design around a standard catalog item.
Custom Geometry
Diameter, curvature, thickness and edge details can be matched to customer drawings.
Inspection Focus
Dimensional, surface, coating and optical checks can be aligned with the project requirement.
Interest stage
Material and Coating Options for Sapphire Optical Components
The primary material is synthetic single-crystal sapphire. BK7 or K9 optical glass can still be discussed as a secondary option when the project requires optical glass but does not need sapphire hardness.
- Material: Synthetic single-crystal sapphire for optical protective domes.
- Custom range: Diameter, wall thickness, hemispherical curvature and edge finish by drawing.
- Coating: AR anti-reflective, AG anti-glare, AF anti-fog or project-specific film review.
- Service: OEM and ODM support from one-piece prototype sampling to repeat production.
Specification review
Typical Technical Specifications for Custom Sapphire Domes
| Product type | OEM custom sapphire optical dome, spherical cover or hemispherical dome |
|---|---|
| Model reference | FG-GENERAL-OPTICAL-DOME-001 |
| Material options | Synthetic single-crystal sapphire; BK7/K9 optical glass available as a secondary custom option |
| Custom items | Diameter, wall thickness, curvature, edge finish, coating and optical surface requirement |
| Optical surface grade | Project review up to lambda/10 precision polishing standard when suitable for the design |
| Dimensional tolerance | Project review up to +/-0.01 mm according to drawing, structure and inspection method |
| Diameter range | Custom 10-350 mm outer diameter depending on geometry and material feasibility |
| Common applications | Underwater optical systems, laser equipment, aerospace sensors, industrial imaging and machine vision |
Application fit
Where Custom Sapphire Spherical Covers Are Used
The correct dome design depends on the optical path, housing seal, cleaning method, working pressure, target wavelength and expected service environment.
Underwater and ROV Systems
Sapphire can help protect imaging modules where pressure, corrosion, cleaning and optical clarity must be considered together.
Aerospace and Laser Equipment
Drawing-based domes support compact sensor housings, laser modules and optical covers with defined inspection needs.
Industrial Imaging
For machine vision and inspection systems, sapphire helps reduce wear on exposed protective covers.
Desire stage
Why Drawing-Based Manufacturing Matters for Optical Domes
Small changes in wall thickness, edge finish or spherical radius can affect assembly fit, sealing pressure and optical performance. For US buyers comparing custom suppliers, the useful question is not only whether sapphire can be made, but whether the drawing can be reviewed against machining, polishing, coating and inspection limits.
Felix Glass can review the drawing, application environment and target quantity before confirming the production route, helping purchasing teams avoid unclear specifications and repeated sample changes.
Production path
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OEM Sapphire Optical Dome Manufacturing Workflow
Drawing Review
Outer diameter, radius, thickness, optical zone, coating and assembly edge are checked first.
Material Planning
Sapphire blank size, machining allowance and inspection requirements are planned for the project.
CNC Forming
Diamond tooling is used to form the curved profile and prepare the part for optical polishing.
Polishing and Coating
Surface quality and optional AR, AG or AF coating are reviewed by optical and service needs.
Final Inspection
Dimensions, surface condition, coating appearance and packing protection are checked before shipment.
Buyer evaluation
When to Choose Sapphire Instead of BK7 or K9 Optical Glass
Choose Sapphire When
The dome faces abrasion, repeated cleaning, marine exposure, outdoor service, heat, pressure or a long-use protective role.
Review BK7 or K9 When
The assembly needs an optical dome shape but the service conditions do not require sapphire hardness or chemical resistance.
Confirm Coating Early
AR, AG and AF choices should be tied to wavelength band, lighting environment, cleaning method and visible reflection target.
Cross-link support
Related Sapphire Optical Dome Products for Comparison
FAQ
Questions Before Ordering a Custom Sapphire Optical Dome
Can the dome be made from a customer drawing?
Yes. Diameter, radius, thickness, edge finish, coating and inspection points can be reviewed from the drawing before quotation.
Is one-piece prototype sampling available?
Prototype sampling can be discussed for custom projects so engineering teams can verify fit and optical performance before larger orders.
Which coating should be selected?
Share the wavelength range, reflection target, cleaning condition and application environment so AR, AG, AF or another coating route can be reviewed.
What information helps quotation accuracy?
Send the drawing, material request, diameter, radius, wall thickness, tolerance, coating, quantity, use environment and inspection requirement.
Action stage
Send Your Sapphire Dome Drawing for Practical RFQ Review
For a useful quotation, provide the dome drawing, material choice, coating target, quantity, inspection notes and application environment. The Felix Glass team can review feasibility and production details for your custom sapphire optical component 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
