Wholesale Factory Plano Lenses Manufacturer & Company

Precision Optical Windows, Plano-Convex/Concave Glass Substrates, Low-Distortion Lenses, and Integrated CMOS Camera Modules Engineered for B2B Device Makers Worldwide.

Featured Precision Optics & Camera Modules

Direct from our Shenzhen precision optical manufacturing facility. High-yield, factory-direct imaging modules paired with custom Plano optics.

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State of Precision Optics: Wholesale Plano Lenses & Flat Optical Elements

An engineering-grade analysis of Plano lens manufacturing, wave-front control, anti-reflective thin-film deposition, and integrated vision assembly processes at Shen Zhen You Xiang Da Technology Co., Ltd. (YXD).

The Physics and Engineering Utility of Plano Optics

In modern optoelectronics, Plano optics—comprising Plano-Convex (PCX), Plano-Concave (PCN), Plano-Plano flat optical windows, wedge prisms, and protective cover plates—serve as the structural and chromatic backbone of advanced vision systems. Unlike complex multi-element spherical or aspherical stacks, a plano surface provides a stable, mathematically predictable boundary condition that minimizes total optical path distortion while maintaining pristine mechanical sealing.

As a leading Wholesale Factory Plano Lenses Manufacturer headquartered in Shenzhen, YXD Technology integrates ultra-precision CNC double-sided lapping, optical polishing, and automated magnetorheological finishing (MRF) to achieve sub-nanometer surface roughness ($Ra < 0.5\text{ nm}$) and wave-front flatnesses reaching $\lambda/10$ across aperture sizes from $2\text{ mm}$ micro-optics up to $300\text{ mm}$ industrial substrate windows.

Dual Competence: Optics Fabrication & Sensor Module Integration

The fundamental competitive advantage of YXD lies in our seamless bridging of passive optical component manufacturing with active CMOS/CCD sensor module integration. While traditional optical glass factories ship unmounted substrates, YXD operates vertically integrated SMT cleanrooms and active alignment (AA) robotic cells.

Whether your project requires low-distortion Plano-Convex collimating lenses for industrial barcode readers, starlight-grade AR-coated protective windows for automotive dash cams, or ultra-thin optical windows for tablet autofocus modules, our factory delivers end-to-end yield control, reducing total cost of ownership (TCO) for global tier-1 buyers.

10+
Years Industry Expertise
λ/10
Surface Flatness Precision
10-5
Scratch-Dig MIL Spec
99.8%
AR Coating Transmittance
Fortune 500
Validated Supply Partner

Plano Lens Material Matrix & Fabrication Specifications

Selecting the optimal optical substrate and surface specification determines thermal stability, spectral transmission, and environmental durability across UV, VIS, NIR, and LWIR spectrums.

Substrate Material Refractive Index ($n_d$) Abbe Number ($V_d$) Spectral Range Primary Industrial Applications YXD Tolerance Standard
N-BK7 (SCHOTT) / H-K9L 1.5168 64.17 350 nm – 2.0 μm Standard commercial optics, visual intercoms, consumer webcams Diameter ±0.05 mm, Thk ±0.02 mm
Synthetic Fused Silica (Corning 7980) 1.4585 67.80 185 nm – 2.5 μm High-power laser windows, DUV sensing, medical endoscopy cover glass Surface Flatness λ/10 @ 632.8nm
Single-Crystal Sapphire ($\text{Al}_2\text{O}_3$) 1.7681 72.20 150 nm – 5.5 μm Scratch-resistant smart doorbell covers, aerospace, extreme environments Scratch-Dig 10-5, Mohs Hardness 9
Optical Grade Germanium (Ge) 4.0032 (@ 10μm) N/A (IR) 2.0 μm – 14.0 μm Thermal imaging, LWIR surveillance, military night vision sensors Parallelism < 10 arcseconds
Monocrystalline Silicon (Si) 3.4225 (@ 5μm) N/A (IR) 1.2 μm – 8.0 μm MWIR sensors, automotive LiDAR receivers, pyrometry windows Clear Aperture > 95%

Plano-Convex (PCX) Lenses

Designed with one positive spherical surface and one flat (plano) surface. Ideal for focal length reduction, image magnification, light collimation, and beam focusing in laser line generators and sensor light guides.

Plano-Concave (PCN) Lenses

Features one negative spherical surface and one flat surface. Used for optical beam expansion, image reduction, and focal length extension in compact zoom camera modules and beam expander systems.

Precision Optical Windows

Dual-plano glass, quartz, or sapphire plates engineered with zero power ($f = \infty$) to shield sensitive image sensors from dust, moisture, and chemical corrosion without adding spherical or chromatic aberration.

Shenzhen Precision Manufacturing & Advanced Automation

Leveraging the world’s most complete optoelectronic ecosystem in Shenzhen, YXD optimizes manufacturing lead times and reduces production bottlenecks for B2B procurement leaders.

Automated CNC Lapping & Polishing

Our factory floor features high-speed multi-spindle CNC double-sided polishing lines. Computer-controlled pressure and slurry viscosity keep wave-front degradation below 0.05 wave rms, guaranteeing uniform batch-to-batch consistency across orders exceeding 500,000 units per month.

Class 100 Cleanroom Thin-Film Coating

Equipped with Ion-Assisted Deposition (IAD) vacuum coating chambers, YXD deposits multi-layer Broadband Anti-Reflective (BBAR), Hydrophobic (AF/AS), and Infrared-Cut filter coatings. Transmittance levels reach up to 99.8% with abrasion resistance compliant with MIL-C-675C.

Zygo Interferometry & AOI Metrology

Every production run undergoes 100% automated optical inspection (AOI) alongside Zygo laser interferometry and Trioptics MTF testing setups. We provide full inspection certificates (CoA), dimensional reports, and spectrophotometer curve analysis with every export shipment.

Global B2B Application Ecosystem

From autonomous driving LiDAR sensors to high-speed industrial robotics and smart security terminals, our Plano optics and camera modules empower next-generation vision systems.

1. Automotive LiDAR & Fleet Dash Cams

Automotive environments demand optical elements capable of withstanding extreme thermal shock (-40°C to +105°C), gravel impact, and UV degradation. YXD supplies custom DLC (Diamond-Like Carbon) and hydrophobic-coated Plano sapphire and fused silica windows that protect 905nm/1550nm LiDAR transmitters and 1080P starlight dash cam modules without optical signal attenuation.

2. Medical Endoscopy & Surgical Imaging

Medical equipment OEMs require ultra-small micro-plano lenses and protective sapphire windows capable of surviving repeated autoclave sterilization cycles. YXD produces micro-optics down to Ø 1.0mm with Scratch-Dig 10-5 surface quality, integrated directly into miniature inspection and medical endoscopic probe camera assemblies.

3. Industrial Machine Vision & Robotics

High-speed automated optical inspection (AOI) and industrial robotics demand distortion-free imaging. By coupling low-distortion Plano-Convex optical optics with 4MP and 10MP high-frame-rate USB/MIPI camera modules, YXD enables sub-pixel defect measurement and rapid QR/barcode scanning in logistics automation.

4. Smart Home Intercoms & Visual Doorbells

Outdoor access control units require wide Field-of-View (FOV) cover plates with zero halo effect under ambient sunlight or nighttime IR illumination. Our dual-band pass AR coated plano windows eliminate internal ghosting in 2K and 4K visual doorbells and building intercom camera modules.

5. Mobile Devices & Document Scanners

Slim mobile tablets, laptops, and document scanners require high-transmittance, ultra-thin flat optical windows. YXD delivers 0.3mm–0.7mm chemical-toughened glass windows matched with autofocus camera modules for crisp document OCR and biometrics.

6. Aerospace & Defense Vision Systems

High-altitude payload cameras and defense drones rely on Germanium and Silicon Plano IR windows. Our precision edge-chambers and metallic coating capabilities safeguard thermal sensors against high friction and atmospheric thermal gradients.

Technical Roadmap & Future Outlook (2025–2030)

How YXD Technology is advancing flat optical manufacturing to align with emerging AI vision, meta-optics, and micro-sensing developments.

Phase I: 2025 – Meta-Surface Hybrid Substrates

Integrating Flat Meta-Optics with Glass Substrates

As optical systems demand extreme miniaturization, YXD is investing in sub-wavelength nanostructure lithography directly onto Plano glass substrates. By combining planar metasurfaces with traditional Plano-Convex curvature, we reduce multi-lens stacks down to single ultra-compact elements, eliminating chromatic aberration in VR/AR light engines and micro camera modules.

Phase II: 2026–2028 – Nanostructured AR Etching

Moth-Eye Super-Hydrophobic Nanostructured Surfaces

Moving beyond traditional thin-film evaporated coatings, YXD is deploying direct plasma etch moth-eye nanostructures on Plano cover glass. This technique provides ultra-broadband anti-reflection (reflectance < 0.1% from 380nm to 1100nm) while creating a permanent hydrophobic and oleophobic surface that never degrades under abrasive outdoor wiping.

Phase III: 2028–2030 – Multi-Spectral LWIR-VIS Fusion

Chalcogenide Glass & Multi-Spectral Plano Elements

With the rapid convergence of visible camera sensors and thermal LWIR sensors in autonomous equipment, YXD is expanding precision molding and lapping of moldable Chalcogenide glasses. These elements allow single optical apertures to simultaneously transmit 400nm visible light and 8–12μm thermal radiation with minimal Fresnel reflection loss.

Quality Architecture – AI Robotic Inspection

Sub-Micron Deep Learning Defect Sorting

Transitioning from manual microscope check stations to 100% closed-loop AI visual defect inspection. Deep-learning visual neural networks scan every fabricated Plano lens edge, clear aperture, and coating coating boundary for micro-chips, sleeks, or pinholes in under 0.8 seconds per part.

Global Procurement Guidelines & Localization Support

Helping enterprise engineering and sourcing teams streamline customs, quality compliance, dual-sourcing security, and fast-track prototyping.

ISO 9001 & IATF 16949 Audited

Our quality management system is strictly audited under ISO 9001:2015 for general optical fabrication and IATF 16949 for automotive-grade vision components. Full PPAP (Production Part Approval Process) Level 3 documentation is available for all custom OEM orders.

RoHS, REACH & Conflict-Free

All glass materials, polishing compounds, adhesives, and PCB solder alloys comply with EU RoHS 3.0 (Directive 2015/863) and REACH SVHC regulations. Heavy metal limits (Lead, Cadmium, Mercury, Hexavalent Chromium) are continuously verified via XRF spectroscopy testing.

7-Day Rapid Prototype Turnaround

To accelerate customer NPI (New Product Introduction) cycles, our quick-turn optical prototyping cell can fabricate, polish, and coat custom Plano optics sample quantities (5 to 50 pieces) in as few as 7 business days from CAD drawing sign-off.

Need Custom Optical Specs or Sample Evaluation?

Consult directly with YXD senior optical engineers. We review your optical prescription (Zemax/CodeV), advise on glass substrate trade-offs, and provide competitive factory-direct wholesale quotations within 24 hours.

Request Custom Quote & Spec Sheet

Frequently Asked Technical & Sourcing Questions

In-depth technical answers regarding Plano lens calculations, surface quality standards, coating durability, and order logistics.

How do I calculate the focal length of a Plano-Convex (PCX) lens?
The focal length ($f$) of a Plano-Convex lens in air is calculated using the simplified Lensmaker's Equation:
$$\frac{1}{f} = (n - 1) \cdot \left( \frac{1}{R_1} - \frac{1}{R_2} \right)$$ Since one side is perfectly flat (Plano), its radius of curvature $R_2 = \infty$, reducing the equation to:
$$f = \frac{R}{n - 1}$$ Where $R$ is the radius of curvature of the convex surface and $n$ is the refractive index of the glass substrate at the design wavelength (e.g., $n = 1.5168$ for N-BK7 at 587.6nm). YXD's engineering team provides full Zemax simulation models for custom system integration upon request.
What is the difference between 20-10 and 40-20 Scratch-Dig surface quality?
Scratch-Dig specifications according to MIL-PRF-13830B define the maximum allowable cosmetic surface defects on optical elements:
  • 20-10 Scratch-Dig: Precision research and high-power laser optical grade. The maximum scratch width allowed is 20 micrometers, and the maximum dig (pit) diameter is 100 micrometers (0.1mm). Required for critical imaging sensors, laser collimation, and medical endoscopy.
  • 40-20 Scratch-Dig: Standard commercial optical quality. Allows maximum scratch width of 40 micrometers and dig diameter of 200 micrometers. Excellent for commercial camera covers, visual doorbells, automotive surveillance, and general lighting optics.
YXD routinely manufactures Plano optics down to 10-5 Scratch-Dig for high-demanding aerospace and surgical applications.
Why should I choose Sapphire over Fused Silica or Glass for outdoor camera windows?
Single-crystal Sapphire ($\text{Al}_2\text{O}_3$) offers an exceptionally high Mohs hardness of 9 (second only to diamond), making it virtually immune to scratches from sand, airborne dust, or aggressive cleaning. It also boasts a broad optical transmission range (0.15μm to 5.5μm), superior thermal conductivity ($35 \text{ W/m}\cdot\text{K}$), and high flexural strength. For outdoor doorbells, smart access panels, and lower-body automotive vision modules subjected to constant debris impact, Sapphire significantly outperforms N-BK7 glass or acrylic in long-term clarity and field reliability.
Can YXD integrate AR/IR-Cut coatings directly onto Plano cover lenses?
Yes. As a vertically integrated manufacturer, YXD operates in-house vacuum evaporation coating systems. We can coat Plano substrates with multi-layer Broadband Anti-Reflective (BBAR) coatings to boost light transmission to over 99.5%, integrate 650nm/850nm/940nm Infrared-Cut filter coatings for color-accurate CMOS sensor imaging, and apply external oleophobic/hydrophobic (AF/AS) nano-coatings that prevent water droplet distortion in rain or high humidity environments.
What are YXD's Minimum Order Quantities (MOQ) and lead times for wholesale production?
For standard off-the-shelf Plano glass substrates and catalog camera modules, our wholesale MOQ starts at 50 to 100 units. For fully customized OEM/ODM optical prescriptions (custom dimensions, non-standard optical glass, specialized coating bands), our prototyping MOQ is 10 to 50 pieces with a fast 7-14 day lead time. Mass production orders (10,000 to 500,000+ units) typically ship within 3 to 4 weeks depending on raw material availability and custom tool requirements.
How does YXD ensure batch-to-batch optical consistency across high-volume production runs?
Every batch of incoming glass block raw material is verified using optical refractometers and spectrophotometers to check refractive index ($n_d$) dispersion and melt lot consistency. During grinding and polishing, automated Zygo laser interferometers check wave-front distortion in real time. Final camera module active alignment (AA) uses multi-axis sub-micron robotic positioning to match the optical focal plane to the CMOS pixel array center with micron-level precision.

Explore Our Full Range of Precision Modules

Pair your custom Plano optics with our industry-proven OEM camera modules for tablet devices, automotive recorders, visual intercoms, and industrial tools.

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