CUSTOM OPTICAL LENS MANUFACTURING FOR IMAGING & PROJECTION APPLICATIONS

Automotive & Transportation Optical Lens Manufacturer:
Aspheric Lenses, TIR Optics & ADAS Camera Lenses

Automotive sensor lenses must withstand -40°C cold starts, 120°C engine bay temperatures, and years of UV exposure —without focal drift, yellowing, or mechanical failure. Standard optical plastics are not suitable for these conditions.We manufacture lenses that are.

Three-zone injection molded tail light lens for commercial trucks
and engineering vehicles: red brake light, amber turn indicator,
and clear reverse light. PC material with high light transmittance,
UV-stabilized for outdoor durability. Custom mold design and
volume production available.

20+

-40°C

CPK≥ 1.67

5–7 Wks

Why Automotive Sensor Lenses Demand a Higher Standard of Manufacturing

Automotive optical lenses operate in one of the most demanding environments any optical component can face: extreme temperature cycles, continuous UV exposure, road vibration, chemical splash, and a product liability framework that allows zero tolerance for field failures.

ATRMOLD manufactures automotive optical lenses using UV-stabilized PC and high-temperature PMMA grades, with process controls aligned to automotive industry quality standards. From EV headlight lenses to ADAS sensor optics and dashcam imaging components, every lens is engineered for production reliability, not just laboratory performance.

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Wide Temperature Range

UV-stabilized PC grades rated for -40°C to 120°C continuous service. Thermal cycling tested under AEC-Q100 conditions.

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IATF-Aligned Quality

PPAP documentation, PFMEA, control plans, and MSA analysis available for Tier 1 and OEM qualification.

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UV & Weather Resistance

UV-stabilized material grades with HC coating pass 1,000+ hour outdoor weathering tests per ISO 4892.

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Tight Optical Tolerances

Centration error <0.015mm and standard focal length tolerance of ±0.5%. Cpk ≥ 1.67 process capability for critical dimensions.

Automotive Optical Lens Products: Specifications at a Glance

Product TypeMaterialTemp RangeKey SpecWavelengthApplication
EV / LED Headlight Lens PMMA / PC-40°C ~ 105°C±0.5% Focal400–700nmEV & conventional headlights
ADAS Sensor LensPC (UV grade)-40°C ~ 120°C≤0.015mm Centration850/905nmLane departure, collision avoidance
Dashcam / DVR LensPMMA / PC-30°C ~ 85°C<0.5% Distortion400–700nmDriving recorder, fleet camera
In-Vehicle Camera LensPMMA / PC-20°C ~ 85°CWide angle ≥120°400–750nmCabin monitoring, parking assist
Automotive LED OpticsPMMA / PC-40°C ~ 105°CCustom beam pattern400–700nm DRL, signal lights, interior lighting
Rain / Light Sensor LensPC (UV stable)-40°C ~ 105°C±1% Transmittance880nmAutomatic wiper, auto headlight
Two high-transparency plastic street light optical lenses displayed on a gray surface. The foreground shows a large rectangular lens featuring an asymmetric curved profiling and flat mounting ears with screw holes on both sides, with a smaller dual-lens module placed in the background.

EV & LED Headlight Lens

A 16-cavity transparent plastic injection-molded street light lens array component layout on a black brushed surface, showing a central vertical sprue branching out into a symmetrical runner system that connects 16 individual rectangular optical lens units.

ADAS Sensor Lens

A dual square optical lens module connected by a central clear plastic injection runner on a black background, with each square plate featuring four symmetrically arranged raised lens units and fine anti-glare linear textures on the surface.

Dashcam & DVR Lens

A 6-cavity transparent plastic injection-molded square optical lens component layout on a black brushed surface, showing a central branched runner system that connects six individual hollow square-shaped lens units.

In-Vehicle Camera Lens

An 8-cavity transparent plastic injection-molded conical optical lens component layout on a black brushed surface, showing a central horizontal runner system that connects eight individual funnel-shaped reflector lens units.

Automotive LED Signal Optics

A close-up of a hand holding a large, high-transparency plastic optical dome lens against a dark gray background, showing its thick aspherical convex profile and integrated mounting ears with holes along the rim.

Rain & Light Sensor Lens

Have a specific automotive optical requirement?

Selecting the Right Material for Automotive Optical Lenses

Interior sensors, cost-sensitive applications, <85°C?

Exterior mounting, UV exposure, or impact risk?

High-precision ADAS applications requiring low birefringence?

Not sure? Tell us your application and mounting location.

Interior Applications
PMMA
Optical Grade Acrylic
Transmittance: ~92%
Max Service Temp: 85°C
Birefringence: Low
UV Resistance: Moderate
High transmittance, excellent moldability, and cost-effective
⚠️ Not recommended for exterior UV-exposed applications; lower impact resistance
Exterior & Automotive Standard
PC
UV-Stabilized Polycarbonate
Transmittance: ~88–89%
Service Temp: -40°C to 120°C
Impact Strength: >600 J/m
UV Weathering: 1,000h+ rated
Automotive-grade material with UV stabilization and high impact strength
⚠️ Hard coating recommended; higher birefringence than PMMA
ADAS Precision
COP / COC
Cyclic Olefin Polymer
Transmittance ~92–93%
Birefringence: Very Low
Moisture Absorption: <0.01%
Tg Range: 70–170°C
Best imaging consistency for ADAS; minimal focal drift.
⚠️ Higher resin cost; longer qualification period.

Automotive Lens Manufacturing: From Design to PPAP Approval

A 2D technical engineering drawing of a conical optical lens on a white background. The left side shows a cross-sectional side view with dimensions of diameter 35.00 and height 20.87; the right side shows a circular bottom view detailing three 2.00 diameter positioning holes spaced 120.00 degrees apart.

Requirements & Application Review

A screenshot of the Zemax optical design software interface, displaying a 2D lens layout with colored ray tracing on the right, alongside the FFT MTF plot and field curvature and distortion analysis charts on the left.

Optical Design & DFM

A professional plastic injection mold steel die set displayed side-by-side on a white background, showing the core and cavity blocks with machined internal structures, alignment guide pins, and upper mechanical components.

Automotive-Grade Mold Development

A side-by-side view of an optical lens metrology process. The left side shows a profilometer stylus scanning the surface of a high-transparency aspheric lens, while the right side displays the corresponding 3D pseudo-color surface topography map with concentric colored rings representing the form profile.

First Article & PPAP Documentation

A 4-cavity transparent plastic injection-molded circular lens array on a black background, featuring a central cross-shaped runner system with circular branches and a distinct sprue connecting four individual convex optical lens units.

Environmental Validation

Automotive Optical Lens Manufacturing You Can Trust

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SPC-Monitored Production

Critical dimensions tracked by Statistical Process Control on every production run.Cpk ≥1.33 required before mass production sign-off.

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ISO 9001:2015 Certified

Quality management covering mold design, injection molding, optical inspection, and delivery traceability.

RoHS & REACH Compliant

All materials comply with applicable EU automotive regulations. Full material traceability and compliance documentation.

A technician in a full white anti-static cleanroom suit and yellow nitrile gloves performing a visual quality inspection of a transparent circular optical lens under the light inside a laminar flow clean bench in a dust-free workshop.

Automotive-Grade Production Controls

  • H13/STAVAX mold steel for high-temperature PC processing
  • All-electric injection molding machines (Sumitomo/FANUC)
  • Barrel temperature control: ±1°C
  • Cpk ≥ 1.67 on critical optical dimensions
A technician in a plaid shirt observing an optical measurement process using a Taylor Hobson precision surface profilometer, with the white and blue measuring head scanning a high-transparency circular optical lens placed on the black rotating stage.

Optical & Dimensional Inspection

  • Zeiss CMM: dimensional accuracy ±0.0003mm
  • Focal length bench: ±0.2% measurement accuracy
  • UV-Vis spectrophotometer transmittance testing per wavelength
  • 100% visual inspection + AQL optical sampling

Free material selection consultation included with every engineering review. Read: PMMA vs PC vs COP Material Guide →

Automotive Optical Lenses Across Vehicle Systems

TIR and secondary lenses for LED headlight modules. Beam pattern optimization for regulatory compliance (ECE R112, FMVSS 108).

Camera and sensor lenses for lane departure warning, automatic emergency braking, blind-spot detection, and cross-traffic alert.

Wide-angle imaging lenses for consumer dashcams and commercial fleet management applications. Low distortion, high image clarity.

Durable optical components for buses, trucks, and construction equipment. Enhanced UV and chemical resistance for heavy-duty environments.

Lightweight PMMA optics for EV-specific lighting design. Lens components for battery thermal management areas and other high-temperature applications.

High-performance optical components for motorsport data acquisition cameras and telemetry systems.

FAQ

Automotive Lens FAQ

Common questions from automotive engineers and Tier 1 procurement teams about our qualification process, materials, and capabilities.

Yes. We provide PPAP Level 3 documentation packages including the control plan, PFMEA, MSA analysis, SPC data, and dimensional inspection reports. Our processes follow automotive industry quality documentation standards to support Tier 1 supplier qualification.
UV-stabilized PC grades are rated for continuous service from -40°C to 120°C, suitable for under-hood adjacent and exterior applications. PMMA grades are rated to 85°C and are suitable for interior sensor applications. For applications above 120°C, we recommend COP/COC or optical glass options.
Yes. We can replicate existing lens designs from drawings or physical samples, and our optical design engineering team commonly performs DFM reviews on existing designs to identify improvements in optical performance, yield, or cycle time. Tool audits and mold transfers are also supported.
UV-stabilized PC grades with HC coating pass 1,000+ hours of UV aging per ISO 4892-2. We provide material test certificates from our resin suppliers and support customer-specific weathering test protocols.
Our standard centration tolerance for automotive sensor lenses is ≤0.02mm. For ADAS applications with stringent imaging requirements, we regularly achieve ≤0.015mm through optimized gate design and precise mold assembly procedures. Start Your Automotive Lens Project

Start Your Automotive Lens Project

From concept to PPAP-ready production — our engineering team supports automotive optical projects at every stage. No minimum commitment to begin.

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Describe Your Application

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Quote Within 24 Hours

PPAP Documentation Available

+86 134 1089 0270 atrmold@atrmold.com WhatsApp Us