Custom Sapphire Optical Dome | OEM Custom Single Crystal Sapphire Spherical Cover

FOB Price
  • US $5.99

    5 - 99 piece

  • US $4.85

    100 - 999 piece

  • US $3.89

    1000 - 4999 piece

  • US $2.88

    5000 - 9999 piece

  • group nameSapphire Optical Dome

  • Min Order5 piece

  • brand nameFELIX GLASS optical glass Manufacturing base

  • modelFG-GENERAL-OPTICAL-DOME-001

  • payment methodL/C, D/A, D/P, Western Union

  • update timeFri, 17 Jul 2026 01:17:28 GMT

Paramtents

  • 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,

Packging & Delivery

  • Size10cm x12cm x15cm

  • Weight0.5kg / piece

  • Min Order5 piece

Briefing

OEM custom single-crystal sapphire optical dome for underwater, aerospace, laser, imaging and machine vision equipment.

Detailed

Custom sapphire optics manufacturer

Custom Sapphire Optical Dome for Drawing-Based Optical Protection

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.

 custom size, sapphire optical dome engineering, optional coating, prototype support, tight drawing review and production for underwater, aerospace, laser, imaging and machine vision equipment.

Custom sapphire optical dome single crystal sapphire spherical cover
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.

Single-Crystal Sapphire

Selected for scratch resistance, stable optical protection and long service in demanding environments.

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.

OEM custom single crystal sapphire optical dome for sensor protection
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 typeOEM custom sapphire optical dome, spherical cover or hemispherical dome
Model referenceFG-GENERAL-OPTICAL-DOME-001
Material optionsSynthetic single-crystal sapphire; BK7/K9 optical glass available as a secondary custom option
Custom itemsDiameter, wall thickness, curvature, edge finish, coating and optical surface requirement
Optical surface gradeProject review up to lambda/10 precision polishing standard when suitable for the design
Dimensional toleranceProject review up to +/-0.01 mm according to drawing, structure and inspection method
Diameter rangeCustom 10-350 mm outer diameter depending on geometry and material feasibility
Common applicationsUnderwater 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.

Sapphire optical dome for underwater camera and ROV equipment

Underwater and ROV Systems

Sapphire can help protect imaging modules where pressure, corrosion, cleaning and optical clarity must be considered together.

Sapphire spherical cover for aerospace sensor and laser optical equipment

Aerospace and Laser Equipment

Drawing-based domes support compact sensor housings, laser modules and optical covers with defined inspection needs.

Custom sapphire optical component for industrial machine vision dome cover

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.

Drawing based custom sapphire optical dome manufacturing review
Production path

OEM Sapphire Optical Dome Manufacturing Workflow

01

Drawing Review

Outer diameter, radius, thickness, optical zone, coating and assembly edge are checked first.

02

Material Planning

Sapphire blank size, machining allowance and inspection requirements are planned for the project.

03

CNC Forming

Diamond tooling is used to form the curved profile and prepare the part for optical polishing.

04

Polishing and Coating

Surface quality and optional AR, AG or AF coating are reviewed by optical and service needs.

05

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.

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.