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Large Custom Sapphire Optical Dome | Oversize Single Crystal Sapphire Spherical Cover

Large Custom Sapphire Optical Dome | Oversize Single Crystal Sapphire Spherical Cover

group nameSapphire Optical Dome
Min Order5 piece
brand nameFELIX GLASS optical glass Manufacturing base
modelFG‑OD-0100291
payment methodL/C, D/A, D/P, Western Union
update timeTue, 08 Sep 2026 20:05:46 GMT

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Paramtents

Material Synthetic Single-Crystal Sapphire; BK7/K9 optical glass available as secondary custom option
Coating AR / IR / UV / AF coating options
Shape Hemispherical / Spherical / Half-Sphere
Diameter 5 mm - 300 mm customizable
Hardness Mohs 9 for sapphire
Feature High transmittance, pressure resistant, waterproof, scratch resistant, low distortion
Application Surveillance cameras, underwater ROV, thermal imaging, drones, aerospace, medical devices

Packging & Delivery

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

Briefing

Large custom sapphire optical dome with Mohs 9 hardness and AR/IR/UV/AF coatings for ROV, imaging and aerospace housings.

Detailed

AIDA: Attention

Large Custom Sapphire Optical Dome for Oversize Sensor Protection

Felix Glass Co., Limited manufactures large custom sapphire optical domes for camera housings, ROV systems, thermal imaging assemblies, drone payloads, aerospace equipment and medical or industrial optical devices that require a hard spherical protective cover.

synthetic single-crystal sapphire, optional BK7 or K9 optical glass discussion, AR / IR / UV / AF coating options, custom diameter, Mohs 9 hardness, high transmittance, pressure resistance, waterproof performance, low distortion and OEM project support.

Send Drawing for RFQ Contact Engineering

Direct answer

What This Oversize Sapphire Spherical Cover Is Built For

A large sapphire optical dome is used when the optical path needs a rounded protective window instead of a flat cover. The dome form supports wide viewing angles, sealed housings and compact optical assemblies while sapphire helps resist scratches, weather exposure and repeated cleaning.

Hard Protective Surface

Synthetic sapphire provides Mohs 9 hardness for harsh outdoor, marine and industrial environments.

Optical Review by Band

Visible, IR, UV and coating requirements can be reviewed against the final sensor or imaging system.

Drawing-Based Customization

Diameter, radius, wall thickness, edge geometry and coating stack can be matched to customer drawings.

Oversize sapphire optical dome with polished spherical cover geometry

AIDA: Interest

Material, Size and Coating Options Kept from the Original Listing

The primary material is synthetic single-crystal sapphire. BK7 or K9 optical glass can be discussed as a secondary custom option when the application needs optical clarity but does not require sapphire hardness.

Material: synthetic single-crystal sapphire, with BK7/K9 optical glass as optional alternatives.
Diameter reference: 5 mm to 300 mm customizable for this listed configuration.
Shape: hemispherical, spherical or half-sphere dome according to assembly design.
Coatings: AR, IR, UV and AF coating options can be specified by use environment.

Specification reference

Technical Specification for Custom Sapphire Optical Components

Final performance depends on confirmed drawing, inspection level, material selection and coating target. The table below organizes the original product data into a practical engineering review format.

Product type	Large custom sapphire optical dome, oversize single crystal sapphire spherical cover	Model	FG-OD-0100291
Material	Synthetic single-crystal sapphire; BK7/K9 optical glass optional by project	Hardness	Mohs 9 for sapphire
Diameter	5 mm to 300 mm customizable for listed dome range	Shape	Hemispherical, spherical or half-sphere
Coating	AR, IR, UV, AF and project-specific coating review	Key features	High transmittance, pressure resistance, waterproof design, scratch resistance and low distortion
Applications	Surveillance cameras, underwater ROV, thermal imaging, drones, aerospace and medical devices	Supply mode	OEM custom drawing support for prototype and repeat orders

AIDA: Interest

Application Fit for Market Engineering Teams

buyers often compare sapphire optical components by service environment, sensor wavelength, pressure exposure and replacement cost. These use cases help define whether sapphire, BK7 or K9 is the right route.

Large sapphire dome for underwater ROV camera and marine optical housing

Underwater ROV and Marine Cameras

Use sapphire when the dome may face pressure, saltwater exposure, abrasion and frequent cleaning.

Sapphire spherical cover for thermal imaging and aerospace optical equipment

Thermal Imaging and Aerospace Systems

Coating, wavelength range, wall thickness and distortion control should be reviewed together.

Scratch resistant sapphire cover for surveillance camera and industrial optics

Surveillance and Industrial Vision

For exposed optical systems, sapphire can reduce surface damage caused by dust, handling and weather.

AIDA: Desire

How the Dome Design Is Reviewed Before Production

A reliable sapphire dome quotation starts with the drawing and working conditions. Felix Glass checks the dome radius, diameter, wall thickness, mounting edge, coating requirement, optical zone and inspection standard before confirming production feasibility.

Drawing based sapphire optical dome manufacturing review

Production logic

Custom Manufacturing Flow for Large Sapphire Optical Domes

The exact process changes with geometry and coating, but the evaluation path is consistent from prototype discussion to repeat production.

Drawing Review

Confirm diameter, curvature, wall thickness, edge form, optical zone and mounting method.

Material Selection

Select sapphire, BK7 or K9 according to hardness, transmission band, budget and environment.

Forming and Polishing

Process the dome surface to support optical clarity and low-distortion viewing.

Coating Review

Define AR, IR, UV or AF coating targets by wavelength, reflection control and cleaning exposure.

Inspection and Packing

Check dimensions, appearance, coating surface and packing protection before shipment.

Decision support

When Sapphire Is the Better Choice Than BK7 or K9 Optical Glass

The original listing includes both sapphire and optical glass options. The right choice should be based on working environment rather than material name alone.

Choose Sapphire

For abrasion, outdoor service, marine exposure, pressure risk, frequent cleaning, high durability needs or longer replacement cycles.

Review BK7 or K9

For indoor visible-light systems where cost, optical clarity and uniformity matter more than maximum hardness.

Confirm Coating Early

AR, IR, UV and AF coatings should be planned before final quote because coating affects optical performance and lead time.

Trust signals

Inspection Points That Matter for Oversize Spherical Covers

Large domes are sensitive to geometry, appearance and installation details. Practical inspection may include dimensional checks, surface appearance review, coating appearance, optical clarity, waterproof or pressure-related requirements and packaging protection.

Diameter and wall thickness check Surface appearance review Coating and transmission discussion Packing plan for large curved parts

AIDA: Action

FAQ for Large Custom Sapphire Optical Dome Projects

Can you produce a large sapphire optical dome?

Yes. This listing supports custom sapphire dome work, with a listed diameter reference from 5 mm to 300 mm. Send the drawing for a geometry check.

What is the difference between sapphire and BK7 dome material?

Sapphire is selected for hardness, scratch resistance and harsh environments. BK7 or K9 may be suitable for visible-light projects that do not need sapphire durability.

Can the dome be waterproof and pressure resistant?

The original listing supports waterproof and pressure-resistant project requirements. Final capability depends on wall thickness, edge design, sealing structure and test conditions.

Can AR, IR, UV or AF coating be customized?

Yes. Coating should be matched to wavelength range, reflection target, cleaning method and the final equipment environment.

What should be sent for a quotation?

Please send diameter, radius, wall thickness, edge drawing, material choice, coating request, quantity, application and inspection requirements.

Compare Related Sapphire Optical Components

Use these internal links to compare nearby sapphire dome options before finalizing the RFQ.

Sapphire Optical Dome Category AR Coated Sapphire Optical Dome Underwater Camera Sapphire Dome AR Sapphire Hemispherical Dome Single-Crystal Sapphire Spherical Dome Marine Camera Sapphire Optical Dome CCTV Sapphire Optical Dome

Next step

Send the Dome Drawing for Feasibility Review

For an accurate quotation, include drawing files, target quantity, material, coating, optical band, pressure or waterproof requirement and expected inspection standard.

Request Custom Quote