# Jinyuan

> OLeKat is a leading China CCTV lens manufacturer and FA lens factory. We provide precision optical lens, customized lens, and machine vision lenses for security applications.

When you are keen on any of our items following you view our product list, please feel free to make contact with us for inquiries. You'll be able to send us emails and get in touch with us for consultation and we shall respond to you as soon as we are able to.  
Keywords: precision optical lens, security camera lenses, machine vision lenses, China Fa Lens Factory, Optical Lenses, Optical Elements, Customized Lens, Glass Elements, Camera Accessories, China Cctv Lens Manufacturer, Cctv Camera Lens Manufacturers, Security Application Lens Manufacturer  
Address: No.26 Juyuan Road, Shangrao Economic Development Zone, Shangrao, JiangXi, China  
Email: clair-li@jylens.com

- [Homepage](https://www.jylens.com): Jinyuan official website

## Products

- [Products](https://www.jylens.com/products/): Explore various types of lenses: security camera lenses, machine vision lens, and UAV lens. We provide precision optical lens, line scan lens, and ITS lens solutions.
- [Line Scan Lens](https://www.jylens.com/line-scan-lens/): Line Scan Lens
- [half frame high resolution 7.5mm fisheye line scan lens](https://www.jylens.com/half-frame-high-resolution-7-5mm-fisheye-line-scan-lens-product/): Product Specifications Pixel 4K/7µm Image format Φ30 Focal
- [8K 14mm Wide-Angle Line Scan Camera Industrial Lens](https://www.jylens.com/8k-14mm-wide-angle-line-scan-camera-industrial-lens-product/): Products Specificate Model JY-LS14FL-8K Pixel 8K/3.5µm 4K/7µm 2K/14µm Image Format Φ30/Φ43 Focal
- [4K 50mm M42 mount Line-Scan-Camera industrial lens](https://www.jylens.com/4k-50mm-m42-mount-line-scan-camera-industrial-lens/): Products Specificate Model JY-LS50FL-4K Pixel 4K/7µm Image Format Φ30 Focal Length 50mm Aperture F2.8 Mount M42x1 Max
- [CCTV Camera Lens](https://www.jylens.com/cctv-camera-lens/): Leading provider of CCTV camera lenses and surveillance camera lenses. We offer wide angle security camera lens, 1080p CCTV lens, and pinhole CCTV lens IR for all security needs.
- [1/2” high resolution low distortion board mount security camera/FA lens](https://www.jylens.com/12-high-resolution-low-distortion-board-mount-security-camerafa-lens-product/): Product Introduction Low-distortion lenses find application in a multiplicity of domains, including photography, videography, medical imaging, industrial
- [5-inch S mount 5MP 1.8mm security camera lens](https://www.jylens.com/5-inch-s-mount-5mp-1-8mm-security-camera-lens-product/): Product information The primary application domains of the 1.1-inch industrial inspection lens encompass industrial inspection, machine vision, security
- [Machine Vision Lens](https://www.jylens.com/machine-vision-lens/): High-definition FA lenses for machine vision systems applications. Factory source for industrial cameras lenses supporting 1.1", 2/3", 1/2.5", and 1/2.7" image sensors.
- [ITS Lens](https://www.jylens.com/its-lens/): Find quality traffic camera lenses and ITS lens for road safety. Specializing in traffic cameras zoom lenses and 10-50mm high resolution traffic lens.
- [6MP 20X 5-100mm zoom security camera lens/ITS lens](https://www.jylens.com/6mp-20x-5-100mm-zoom-security-camera-lensits-lens-product/): Product Introduction A high-performance industrial zoom lens designed for demanding security surveillance and machine vision applications. Compatible with
- [Eyepieces](https://www.jylens.com/eyepieces/): High-performance night vision lens and night vision camera lens solutions. We offer night vision fisheye lens, day-night confocal optics, and zoom eyepiece designs.
- [14X eyepieces,0.39inch night vision camera screen viewfinder](https://www.jylens.com/14x-eyepieces-0-39inch-night-vision-camera-screen-viewfinder/): Product Specifications Model NO.: JY-MJ14X039 Focal Length (mm) 13.5mm Magnification 14X MOUNT M33x0.75 Applicable
- [New Products](https://www.jylens.com/new-products/): Browse the newest additions to our collection. We offer premium pinhole mini lens, wide-angle fish eye, and a variety of mini lens and optic lenses for modern devices.
- [1/4inch 1million pixel S mount 2.1mm pinhole mini lens](https://www.jylens.com/14inch-1million-pixel-s-mount-2-1mm-pinhole-mini-lens-product/): Pinhole lenses are designed for Hidden cameras that hide or disguise in everyday items while recording audio and video. They also can be used for a variety of
- [1/2.7inch M12 mount 3MP 1.75mm fish eye](https://www.jylens.com/12-7inch-m12-mount-3mp-1-75mm-fish-eye-product/): Products specificate Model NO JY-127A0175FB-3MP Aperture D/f' F1:2.0 Focal-Length
- [UAV LENS](https://www.jylens.com/uav-lens/): Professional UAV lens featuring 4k wide angle lenses and H150° waterproof lens technology. Aluminum alloy lightweight design with full glass lens for wide angle vision.
- [Aerial photography lenses](https://www.jylens.com/aerial-photography-lenses-product/): Optical Parameters Aperture F5.6 Type Fixed Iris Focal length 25mm Distortion ≤0.5% ODM 1m Working

## News

- [News](https://www.jylens.com/news/): News
- [Company News](https://www.jylens.com/news_catalog/company-news/): Company News
- [The function of eyepiece lens and objective lens in microscope.](https://www.jylens.com/news/the-function-of-eyepiece-lens-and-objective-lens-in-microscope/): An eyepiece, is a type of lens that is attached to a variety of optical devices such as telescopes and microscopes, is the lens that the user looks through. It
- [Jinyuan Optics to Exhibit advanced technology lenses at CIEO 2023](https://www.jylens.com/news/jinyuan-optics-to-exhibit-advanced-technology-lenses-at-cieo-2023/): China International Optoelectronic Exposition Conference (CIOEC) is the largest and highest-level optoelectronic industry event in China. The last edition of
- [Key considerations when selecting lens for machine vision system](https://www.jylens.com/key-considerations-when-selecting-lens-for-machine-vision-system/): All of the machine vision systems have a common goal, that is to capture and analysis of optical data, so that you can check the size and characteristics and
- [Motorized zoom lens with large format and high resolution —your ideal choice for ITS](https://www.jylens.com/news/motorized-zoom-lens-with-large-format-and-high-resolution-your-ideal-choice-for/): The electric zoom lens, an advanced optical device, is a type of zoom lens that utilizes an electric motor, integrated control card, and control software to
- [Significant traditional Chinese holiday—Dragon Boat Festival](https://www.jylens.com/news/significant-traditional-chinese-holiday-dragon-boat-festival/): The Dragon Boat Festival, also known as Duanwu Festival, is a significant traditional Chinese holiday commemorating the life and death of Qu Yuan, a famous poet
- [Optical Lens Manufacturing and Finishing](https://www.jylens.com/news/optical-lens-manufacturing-and-finishing/): 1. Raw Material Preparation:Selecting appropriate raw materials is critical to ensuring the quality of optical components. In contemporary optical manufacturing, optical glass or optical plastic is ty
- [Difference between focal length, back focal distance and flange distance](https://www.jylens.com/news/difference-between-focal-length-back-focal-distance-and-flange-distance/): The definitions and distinctions among lens focal length, back focal distance, and flange distance are as follows: Focal Length: The focal length is a
- [Applications of 5-50mm security camera lens](https://www.jylens.com/news/applications-of-5-50mm-security-camera-lens/): The application scenarios of 5–50 mm surveillance lenses are primarily categorized according to the variations in field of view resulting from changes in focal length. The specific applications are as
- [How to Select an Appropriate board mount, Low-Distortion Lens?](https://www.jylens.com/news/how-to-select-an-appropriate-board-mount-low-distortion-lens/): 1. Clarify Application Requirements When selecting a small interface, low-distortion lens (e.g., an M12 lens), it is essential to first define the following
- [The correlation between the quantity of lens components and the image quality achieved by optical lens systems](https://www.jylens.com/news/the-correlation-between-the-quantity-of-lens-components-and-the-image-quality-achieved-by-optical-lens-systems/): The number of lens elements is a critical determinant of imaging performance in optical systems and plays a central role in the overall design framework. As modern imaging technologies advance, user d
- [Industry Tendency](https://www.jylens.com/news_catalog/industry-tendency/): Industry Tendency
- [Custom ITS Lens Selection: Key Optical Parameters Engineers Must Know](https://www.jylens.com/custom-its-lens-selection-key-optical-parameters-engineers-must-know/): Looking to eliminate motion blur, thermal defocus, and night-shift errors in traffic monitoring? Explore our comprehensive engineering guide to custom ITS lens selection and request a quote for your n
- [A Systematic Analysis of the Geometric Matching Relationship Between the Image Circle of a Fisheye Lens and the Rectangular Image Sensor Active Area](https://www.jylens.com/a-systematic-analysis-of-the-geometric-matching-relationship-between-the-image/): In industrial applications—including machine vision, security surveillance, and automotive surround-view systems—common imaging anomalies such as field-of-view (FOV) truncation, geometric vignetting (
- [Core Technical Specifications for Imaging Lenses in Refrigerated and Frozen Storage Environments](https://www.jylens.com/core-technical-specifications-for-imaging-lenses-in-refrigerated-and-frozen/): Refrigerator and freezer interiors constitute highly demanding optical application environments, characterized by: (1) extreme thermal conditions—0–8°C in refrigeration compartments and −18°C to −30°C
- [How to Choose the Right Traffic Monitoring Cameras Lens for ITS and Smart City Applications](https://www.jylens.com/how-to-choose-the-right-traffic-monitoring-cameras-lens-for-its-and-smart-city/): Looking for the best traffic monitoring camera lens? Discover key factors for ITS & smart city vision, from ANPR to low-light performance. Jinyuan provides 10+ years of expert optical solutions.
- [Best Custom Traffic Camera Zoom Lenses: A Manufacturer's Guide to OEM Optics](https://www.jylens.com/best-custom-traffic-camera-zoom-lenses-a-manufacturer-s-guide-to-oem-optics/): Looking for high-performance traffic camera zoom lenses? Jinyuan provides custom OEM/ODM optical solutions, motorized zoom lenses for ANPR/ITS, and precision manufacturing with ISO9001 certification.
- [Custom Metal Housing Lens Manufacturing: High-Precision Industrial Optics Guide](https://www.jylens.com/custom-metal-housing-lens-manufacturing-high-precision-industrial-optics-guide/): Explore the optomechanical engineering behind a custom metal housing lens. Discover how precision CNC machining, passive athermalization, and IP-rated sealing ensure superior imaging stability in dema
- [Selection Specifications and Engineering Practice Guidelines for Large-Format M12 Interface Lenses](https://www.jylens.com/selection-specifications-and-engineering-practice-guidelines-for-large-format/): Conventional small-format M12 lenses are primarily engineered for basic imaging applications characterized by modest resolution requirements and low signal-to-noise ratio (SNR) tolerance. They are inc
- [Analysis of the Drivers Behind the Adoption of Large-Image-Circle M12 Lens](https://www.jylens.com/analysis-of-the-drivers-behind-the-adoption-of-large-image-circle-m12-lens/): Interfaces and an Assessment of Their Optical Performance Limits Conventional M12 lens interfaces were originally engineered for image sensors with target dimensions of 1/2.7″ or smaller—sufficient on
- [Custom 10-50mm High Resolution Traffic Lens: Prototype to Mass Production](https://www.jylens.com/custom-10-50mm-high-resolution-traffic-lens-prototype-to-mass-production/): Discover how Jinyuan customizes your 10-50mm High Resolution Traffic Lens from design to mass production. Request a rapid optical quote and prototype sample today.
- [Industrial Lenses For Its: Precision Optics for Machine Vision and Automated Inspection Systems](https://www.jylens.com/industrial-lenses-for-its-precision-optics-for-machine-vision-and-automated/): Industrial Lenses For Its applications in machine vision and optical inspection. Technical specifications, customization parameters, and performance criteria for precision manufacturing environments.
- [Why Choose a Cctv Manual Zoom Lens Over Fixed-Focal Alternatives](https://www.jylens.com/why-choose-a-cctv-manual-zoom-lens-over-fixed-focal-alternatives/): System integrators and project managers: a technical examination of the Cctv Manual Zoom Lens. Covers optical architecture, mechanical reliability in extreme environments, and comparative analysis ver
- [Achieve Sub-Micron Accuracy with Custom Long Focal Length 50mm Assemblies](https://www.jylens.com/achieve-sub-micron-accuracy-with-custom-long-focal-length-50mm-assemblies/): Discover how Long Focal Length 50mm optical assemblies improve spatial resolution, control optical aberrations, and integrate into custom machine vision systems.
- [Engineering Standards for Wide Angle Surveillance Camera Lens Integration](https://www.jylens.com/engineering-standards-for-wide-angle-surveillance-camera-lens-integration/): An in-depth analysis of optical engineering standards, sensor pairing, distortion management, and environmental housing for high-performance wide angle surveillance camera lens systems.
- [5 Engineering Factors for Custom Wide Angel Camera Lens Integration](https://www.jylens.com/5-engineering-factors-for-custom-wide-angel-camera-lens-integration/): Analyze the optical specifications, thermal stability, sensor matching, and distortion limits required when specifying a Wide Angel Camera Lens for industrial applications.
- [DC Varifocal Lens Technology: Engineering Standards and Optical Integration](https://www.jylens.com/dc-varifocal-lens-technology-engineering-standards-and-optical-integration/): A comprehensive engineering analysis of DC varifocal lens mechanisms, aperture control loops, optical system design, and camera sensor alignment for commercial applications.
- [How Does an Analogical Camera Lens Maintain Wavefront Precision in Complex Imaging Systems?](https://www.jylens.com/how-does-an-analogical-camera-lens-maintain-wavefront-precision-in-complex/): Discover how custom analogical camera lens design drives image fidelity, manages wavefront aberrations, and supports high-precision machine vision systems.
- [How Do High-Magnification Zoom Lenses Maintain Diffraction-Limited Resolution Across Wide Focal Ranges?](https://www.jylens.com/how-do-high-magnification-zoom-lenses-maintain-diffraction-limited-resolution/): How Do High-Magnification Zoom Lenses Maintain Diffraction-Limited Resolution Across Wide Focal Ranges?
- [Camera Lenses: Comprehensive Selection Guide for Photography Professionals and Enthusiasts](https://www.jylens.com/camera-lenses-comprehensive-selection-guide-for-photography-professionals-and/): Understand focal length, aperture, optical design, and mount compatibility to select the right camera lenses for landscape, portrait, wildlife, and studio work. Expert insights included.
- [Why Does Your Multi-Spectral Camera Need an Ir Correction Lens?](https://www.jylens.com/why-does-your-multi-spectral-camera-need-an-ir-correction-lens/): Learn how Jinyuan designs and manufactures the custom Ir Correction Lens to eliminate focus shift across visible and infrared spectral bands.
- [Engineering Factors in Security Optical Lens Design for High-Resolution Surveillance](https://www.jylens.com/engineering-factors-in-security-optical-lens-design-for-high-resolution/): Examine the engineering principles of a security optical lens, focusing on thermal stability, sensor matching, and low-light performance for OEM systems.
- [Improving Image Clarity in Compact Surveillance Systems with D14 Board Lens Solutions](https://www.jylens.com/improving-image-clarity-in-compact-surveillance-systems-with-d14-board-lens/): Learn how the D14 board lens improves image quality, handles larger sensors, and resolves integration challenges in high-resolution vision systems.
- [5 Optical Parameters That Determine Hd Ip Camera Cctv Lens Performance](https://www.jylens.com/5-optical-parameters-that-determine-hd-ip-camera-cctv-lens-performance/): Explore the technical parameters of Hd Ip Camera Cctv Lens selection, covering sensor compatibility, optical resolution, and custom manufacturing by Jinyuan.
- [How Does a Cctv Surveillance Equipment Lens Prevent Focus Shift in Night Imaging?](https://www.jylens.com/how-does-a-cctv-surveillance-equipment-lens-prevent-focus-shift-in-night-imaging/): Learn how to match a Cctv surveillance equipment lens with high-resolution sensors. Explore MTF, IR correction, and optical customization from Jinyuan.
- [High-Precision Alignment and Cost Efficiency: The Advantages of Monofocal Lens Cs Mount Systems](https://www.jylens.com/high-precision-alignment-and-cost-efficiency-the-advantages-of-monofocal-lens/): Explore the design specifications, industrial applications, and selection parameters of the monofocal lens CS mount. Learn how Jinyuan customizes these optics.
- [A Comprehensive Analysis of the Principles and Applications of Differentiated Lens Geometries in Modern Optical Engineering](https://www.jylens.com/a-comprehensive-analysis-of-the-principles-and-applications-of-differentiated/): In optical system design, lens geometry—including both surface profile and peripheral contour—is not determined arbitrarily but is rigorously derived from fundamental optical principles, aberration th
- [The Core Reasons Why F1.0 MTV Security Lenses Rarely Support IR Day/Night Confocal Function](https://www.jylens.com/the-core-reasons-why-f1.0-mtv-security-lenses-rarely-support-ir-day/night/): The F1.0 MTV security camera is deliberately engineered without infrared (IR) co-focusing capability.The conventional day/night dual-band functionality enabling simultaneous high-fidelity imaging acro
- [Why FOV and Distortion Control Balance in the Extra-Wide 2.5mm Mtv Lens](https://www.jylens.com/why-fov-and-distortion-control-balance-in-the-extra-wide-2.5mm-mtv-lens/): In modern imaging systems, achieving a wide field of view while maintaining structural compactness presents a significant engineering challenge. Standard lenses often fail to cover the required area w
- [How Do M12 Lenses Determine the Performance of Compact Imaging Systems?](https://www.jylens.com/how-do-m12-lenses-determine-the-performance-of-compact-imaging-systems/): Discover how M12 lenses balance compact form factors with high-resolution performance in machine vision, automotive, and surveillance systems.
- [4 Optical Criteria for Selecting an Mtv Board Lens for Industrial Cameras](https://www.jylens.com/4-optical-criteria-for-selecting-an-mtv-board-lens-for-industrial-cameras/): A professional guide to selecting and customizing an Mtv Board Lens for embedded vision, smart security, and industrial automation applications by Jinyuan.
- [Enhancing Low-Light Image Fidelity with Advanced Outdoor Security Camera Lens Technology](https://www.jylens.com/enhancing-low-light-image-fidelity-with-advanced-outdoor-security-camera-lens/): Discover key engineering factors for choosing an outdoor security camera lens, covering thermal stability, optical coatings, MTF metrics, and custom B2B optical designs.
- [Improving Low-Light Surveillance Clarity with the Right Home Security Camera Lens](https://www.jylens.com/improving-low-light-surveillance-clarity-with-the-right-home-security-camera/): A technical analysis of home security camera lens design, focusing on aperture, focal length, thermal drift, and infrared correction for B2B buyers.
- [Why Does Sensor Compatibility Matter for Your Hd Board Lens Cctv Integration?](https://www.jylens.com/why-does-sensor-compatibility-matter-for-your-hd-board-lens-cctv-integration/): The progression of video surveillance from analog resolution to multi-megapixel performance has shifted how optical components are selected. Standard security cameras rely on a precise synergy between
- [5 Mechanical Design Parameters to Consider When Selecting a Waterproof Usb Camera Lens](https://www.jylens.com/5-mechanical-design-parameters-to-consider-when-selecting-a-waterproof-usb/): A comprehensive analysis of waterproof USB camera lens engineering, addressing ingress protection, optical refraction corrections, and B2B integration.
- [How Does the H150° Waterproof Lens Prevent Thermal Defocus and Moisture Ingress?](https://www.jylens.com/how-does-the-h150-waterproof-lens-prevent-thermal-defocus-and-moisture-ingress/): An in-depth analysis of the H150° Waterproof Lens, examining wide-angle optical design, moisture protection, thermal stability, and custom industrial applications by Jinyuan.
- [5 Performance Advantages of Woosuk Phosphor Ceramic for Solid-State Lighting](https://www.jylens.com/5-performance-advantages-of-woosuk-phosphor-ceramic-for-solid-state-lighting/): An engineering analysis of Woosuk phosphor ceramic distributed by CAS, focusing on thermal stability, optical efficiency, and high-power laser lighting integration.
- [How Does a Wide Angle Board Lens Impact Image Quality in Compact Systems?](https://www.jylens.com/how-does-a-wide-angle-board-lens-impact-image-quality-in-compact-systems/): An in-depth guide on choosing a wide angle board lens. Explore optical parameters, aberration correction, and custom engineering solutions by Jinyuan.
- [How Does a Megapixel Mtv Lens Prevent Distortion in High-Resolution Sensors?](https://www.jylens.com/how-does-a-megapixel-mtv-lens-prevent-distortion-in-high-resolution-sensors/): A detailed engineering guide to selecting a Megapixel Mtv Lens for machine vision and surveillance, covering sensor matching, MTF, and optical customization.
- [Designing Low-Light Panoramic Systems with Infrared Corrected Fisheye Optics](https://www.jylens.com/designing-low-light-panoramic-systems-with-infrared-corrected-fisheye-optics/): An engineering-focused analysis of night vision fisheye lens design, discussing IR-correction, relative illumination, thermal drift, and B2B customization.
- [Maximizing Sensor Resolution and Light Transmission with a Precise 5megapixel Mtv Lens](https://www.jylens.com/maximizing-sensor-resolution-and-light-transmission-with-a-precise-5megapixel/): A comprehensive technical analysis of selecting and implementing a 5megapixel Mtv Lens for high-resolution imaging systems, detailing sensor matching and optical design.
- [The Principle and Application of Multi-Size Compatibility in Transfer Rings for Security and Machine Vision Systems](https://www.jylens.com/the-principle-and-application-of-multi-size-compatibility-in-transfer-rings-for/): Intelligent security systems and industrial machine vision have emerged as foundational technological enablers of smart cities and intelligent manufacturing. Their applications span critical domains—i
- [Analysis of Technical Characteristics and Comparative Performance of Liquid-Filled](https://www.jylens.com/analysis-of-technical-characteristics-and-comparative-performance-of-liquid/): Applications I. Fundamental Operating Principles and Structural ArchitecturesLiquid-filled adaptive (LFA) lenses and motor-driven autofocus (AF) lenses are both widely deployed focusing solutions in i
- [How a Custom Pinhole Lens Resolves Covert Surveillance Design Challenges](https://www.jylens.com/how-a-custom-pinhole-lens-resolves-covert-surveillance-design-challenges/): Explore the optical design, engineering parameters, and application requirements of custom pinhole lens solutions for security and industrial inspection by Jinyuan.
- [5 Engineering Factors for Selecting a Pinhole Board Lens](https://www.jylens.com/5-engineering-factors-for-selecting-a-pinhole-board-lens/): In the field of optical design and surveillance technology, miniature imaging systems require specialized components that balance physical space constraints with optical performance. For applications 
- [Why Does a Flat P.H. Lens Offer Superior Integration Compared to Cone Designs?](https://www.jylens.com/why-does-a-flat-p.h.-lens-offer-superior-integration-compared-to-cone-designs/): In the field of miniature optical design, engineering departments often face the challenge of capturing high-quality images through extremely restricted physical apertures. The Flat P.H. Lens has emer
- [Custom Hidden Camera Lens Design: Engineering Guide for OEM Manufacturers](https://www.jylens.com/custom-hidden-camera-lens-design-engineering-guide-for-oem-manufacturers/): Explore the key optical parameters, design challenges, and customization options for a hidden camera lens in commercial security and smart home systems.
- [5 Key Optical Factors for Selecting a Pinhole CCTV Lens IR in Security Systems](https://www.jylens.com/5-key-optical-factors-for-selecting-a-pinhole-cctv-lens-ir-in-security-systems/): Discover how a pinhole cctv lens ir balances miniature optical design with night-vision capabilities to provide clear imaging in hidden environments.
- [High-Precision Optics: Customizing the 5mp CCD and CMOS Lens for Industrial Systems](https://www.jylens.com/high-precision-optics-customizing-the-5mp-ccd-and-cmos-lens-for-industrial/): Optimize optical clarity with our B2B guide to selecting a 5mp ccd and cmos lens. Learn how Jinyuan resolves integration and pixel-matching bottlenecks.
- [How Does a Dc Iris Varifocal Lens Improve Image Quality in Variable Lighting?](https://www.jylens.com/how-does-a-dc-iris-varifocal-lens-improve-image-quality-in-variable-lighting/): An in-depth analysis of Dc Iris Varifocal Lens technology, explaining auto-iris mechanics, optical parameters, and system integration for B2B applications."
- [How to Prevent Diurnal Fogging in an Outdoor Waterproof Lens](https://www.jylens.com/how-to-prevent-diurnal-fogging-in-an-outdoor-waterproof-lens/): Discover the key engineering principles for designing an outdoor waterproof lens. This B2B guide by Jinyuan explores pressure mitigation, sealing materials, and coating technologies.
- [Digital Surveillance Ip Camera Lens: Precision Optics for High-Definition Security Networks](https://www.jylens.com/digital-surveillance-ip-camera-lens-precision-optics-for-high-definition/): Professional reference on Digital Surveillance Ip Camera Lens engineering: optical parameters, IR correction, resolution matching, and application-specific customization for integrators. Jinyuan exper

## About Us

- [About Us](https://www.jylens.com/about-us/): As a leading Chinese manufacturer of CCTV lenses, OLeKat specializes in the R&D and manufacturing of custom lenses and optical components. Leveraging our expertise in CCTV camera lens manufacturing, w
- [Our Culture](https://www.jylens.com/our-culture/): Our Culture
- [Customization Process](https://www.jylens.com/customization-process/): Customization Process
- [Certification](https://www.jylens.com/certification/): Certification

## FAQ

- [FAQ](https://www.jylens.com/faq/): FAQ

## Contact Us

- [Contact Us](https://www.jylens.com/contact-us/): OLeKat: Premier CCTV camera lens manufacturers in China. Our range includes optical elements, glass elements, and camera accessories for customized lens and security application solutions.

## Tags

- [Its Lens](https://www.jylens.com/tags/its-lens.html)
- [Traffic Monitoring Cameras Lens](https://www.jylens.com/tags/traffic-monitoring-cameras-lens.html)
- [Traffic Cameras Zoom Lenses](https://www.jylens.com/tags/traffic-cameras-zoom-lenses.html)
- [Metal Housing Lens](https://www.jylens.com/tags/metal-housing-lens.html)
- [Large-Format M12 Interface Lenses](https://www.jylens.com/tags/large-format-m12-interface-lenses.html)
- [Large-Image-Circle M12 Lens](https://www.jylens.com/tags/large-image-circle-m12-lens.html)
- [10-50mm High Resolution Traffic Lens](https://www.jylens.com/tags/10-50mm-high-resolution-traffic-lens.html)
- [Industrial Lenses For Its](https://www.jylens.com/tags/industrial-lenses-for-its.html)
- [Cctv Manual Zoom Lens](https://www.jylens.com/tags/cctv-manual-zoom-lens.html)
- [Long Focal Length 50mm](https://www.jylens.com/tags/long-focal-length-50mm.html)
- [Wide Angle Surveillance Camera Lens](https://www.jylens.com/tags/wide-angle-surveillance-camera-lens.html)
- [Wide Angel Camera Lens](https://www.jylens.com/tags/wide-angel-camera-lens.html)
- [Dc Varifocal Lens](https://www.jylens.com/tags/dc-varifocal-lens.html)
- [Analogical Camera Lens](https://www.jylens.com/tags/analogical-camera-lens.html)
- [High-Magnification Zoom Lenses](https://www.jylens.com/tags/high-magnification-zoom-lenses.html)
- [Camera Lenses](https://www.jylens.com/tags/camera-lenses.html)
- [Ir Correction Lens](https://www.jylens.com/tags/ir-correction-lens.html)
- [Security Optical Lens](https://www.jylens.com/tags/security-optical-lens.html)
- [D14 Board Lens](https://www.jylens.com/tags/d14-board-lens.html)
- [Hd Ip Camera Cctv Lens](https://www.jylens.com/tags/hd-ip-camera-cctv-lens.html)
- [Cctv Surveillance Equipment Lens](https://www.jylens.com/tags/cctv-surveillance-equipment-lens.html)
- [Monofocal Lens Cs Mount](https://www.jylens.com/tags/monofocal-lens-cs-mount.html)
- [Extra-Wide 2.5mm Mtv Lens](https://www.jylens.com/tags/extra-wide-2-5mm-mtv-lens.html)
- [M12 Lenses](https://www.jylens.com/tags/m12-lenses.html)
- [Mtv Board Lens](https://www.jylens.com/tags/mtv-board-lens.html)
- [Camera industrial lens](https://www.jylens.com/tags/camera-industrial-lens.html)
- [mount Line-Scan](https://www.jylens.com/tags/mount-line-scan.html)
- [4K 50mm M42](https://www.jylens.com/tags/4k-50mm-m42.html)
- [High-Lumen Sport LED Lighting](https://www.jylens.com/tags/high-lumen-sport-led-lighting.html)

## Optional

- [Sitemap XML](https://www.jylens.com/sitemap.xml): XML sitemap for search engines
- [Sitemap HTML](https://www.jylens.com/sitemap.html): HTML sitemap for visitors
- [Full Content Index](https://www.jylens.com/llms-full.txt): Complete content listing with all pages
- [Robots.txt](https://www.jylens.com/robots.txt): Crawling rules for bots