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  • 4mm 5MP Standard M12 F1.6 Starlight lenses

    4mm 5MP Standard M12 F1.6 Starlight lenses

    Our4mm 5MP Standard M12 F1.6 Starlight lenses,and all of our lenses have been tested using the MTF instrument, and their consistency is superior to that of products from other suppliers. You can rest assured to purchase various standard M12 lenses from our factory.
  • 2.5mm wide angle lens

    2.5mm wide angle lens

    This premium 2.5mm IR board lens is developed and produced by ShangHai SILK Optical Technology CO., LTD. As an M12 wide angle lens built for 1/2.7” image sensors, this ultra wide surveillance lens delivers a stunning 168.8° diagonal field of view to eliminate monitoring blind spots for various visual equipment. Featuring F2.4 large aperture design, this F2.4 miniature camera lens ensures outstanding light gathering capability to deliver sharp footage day and night. Equipped with IR correction optical design, the fixed focal security lens maintains consistent clarity under visible light and infrared night vision environments. With compact TTL dimension of 23.0±0.2mm, this panoramic board camera lens is easy to integrate into slim, compact camera modules. ShangHai SLIK Optical Technology CO., LTD carries out strict optical performance testing during mass production to guarantee stable quality for every M12 wide angle lens. It serves as a cost-effective wide angle monitoring lens widely adopted in smart security cameras, robotic embedded vision, vehicle auxiliary cameras and intelligent visual terminals.
  • M12 F1.6 3.0mm 1/2.7

    M12 F1.6 3.0mm 1/2.7" Network Camera Lens

    Standard M12 F1.6 3.0mm 1/2.7" Network Camera Lens, and all products have been tested by MTF instruments, resulting in higher consistency compared to products from other suppliers. You can rest assured to purchase standard M12 lenses from our factory.
  • Lens for HUD Backlight Module

    Lens for HUD Backlight Module

    Shanghai Silk Optical Technology Co., Ltd. processes various complex, large, and small optical components. There are free-form surfaces, aspherical surfaces, display compound eyes, Lens for HUD Backlight Module, etc.
  • 3.6mm 1/2.7

    3.6mm 1/2.7" M12 Lens Glass plastic

    As a professional lens manufacturer, Boshi Lens (also named Silk Optical) operates strict quality management systems certified to ISO 9001:2000. 3.6mm 1/2.7" M12 Lens Glass plastic include a powerful in-house R&D and engineering team, and a controlled manufacturing environment where all products are produced, assembled, and tested in dust-free cleanrooms.
  • 4.1mm Thermal Imaging Lens

    4.1mm Thermal Imaging Lens

    Manufactured and supplied by ShangHai SILK Optical Technology CO., LTD, this F1.0 4.1mm focal length thermal imaging lens is an ultra-wide-angle infrared objective engineered exclusively for 640×512detector, 12μm pixel uncooled infrared focal plane arrays. The 4.1mm F1.0 thermal lens adopts advanced exposed AR anti-reflection coating, achieving over 88% infrared transmittance. As a professional optical product from manufacturer ShangHai SLIK Optical Technology CO., LTD, this M22×0.5 mount thermal lens features IP67 front lens protection, lightweight ~25g structure and robust wide-temperature optical stability, perfectly tailored for compact uncooled thermal camera system integration.
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  • Caring for employees, delivering coolness in summer-shanghai silk Optical

    In order to effectively carry out heatstroke prevention and cooling work during the high temperature season, enhance the awareness of high temperature labor protection among employees, effectively prevent the occurrence of high temperature heatstroke and various accidents, and safeguard the labor safety and health rights and interests of employees.

  • Company Organizes Employees to Watch 9.3 Military Parade for 80th Anniversary of Anti-Japanese War Victory

    On September 3, the conference and military parade marking the 80th anniversary of the victory of China's War of Resistance against Japanese Aggression and the World Anti-Fascist War was held in Beijing. To remember history and honor martyrs, the company organized employee representatives and managers to watch the live broadcast in the hall. At 10 a.m., the parade started; all stood for the national anthem. Formations and equipment impressed, and 80 hero unit flags showed the hard-won victory. Employees were inspired; leaders stressed inheriting the spirit for company and national development.

  • Why an F1.0 Lens is the Secret to Full-Color Night Surveillance | Shanghai Silk Optical

    Let’s be honest: nobody likes reviewing security footage that looks like a 1920s silent movie shot in a blizzard. For years, the industry standard for low-light surveillance was Infrared (IR) lighting. It illuminated the dark, but it stripped away all the color, leaving you with grainy, black-and-white images where a red getaway car looks exactly like a blue one. Today, the market demands "full-color night vision." But achieving this without blasting a blinding white LED spotlight into the street requires a specific hardware upgrade. It’s not just about a better software algorithm; it’s about physics. To achieve true, noise-free color footage in near-darkness, your camera needs an F1.0 large aperture lens. Here is a deep dive into why F1.0 is the absolute threshold for modern security cameras, and why the materials inside that lens matter just as much as the numbers on the outside.

  • ​What Makes a Reliable Optical Lens Manufacturer? 7 Factors to Check

    This guide outlines seven factors for evaluating optical lens manufacturers: optical design capability, prototype development, manufacturing capacity, MTF testing, quality management systems, OEM/ODM flexibility, and mass-production consistency. A reliable supplier should explain sensor matching, provide functional samples, control internal processes, and ensure production uniformity. Integrated manufacturing—covering design, molding, assembly, and inspection—reduces variation. Price matters, but long-term consistency and engineering support reduce project risk. Boshi Optics offers these capabilities across security, automotive, and medical imaging applications.

  • Say Goodbye to "Fill Light Pollution": How F1.0 Black Light Lenses Optimize Smart Parking LPR

    We have all experienced it: You pull up to a smart parking lot boom gate at midnight, and suddenly, a high-intensity white LED spotlight blasts you right in the retinas. You are temporarily blinded, the gate goes up, and you drive away squinting. This is known as "Fill Light Pollution," and it is the bane of modern smart parking lots, residential communities, and toll booths. For years, system integrators relied on these blinding white lights to help security cameras read license plates in the dark. But what if we told you those lights are not just annoying to drivers—they might actually be lowering your License Plate Recognition (LPR) success rates? The future of smart parking doesn't require more watts of LED power; it requires better optics. Here is why upgrading to an F1.0 Black Light Lens is the ultimate solution for optimizing your LPR/ANPR systems.

  • How Does a Starlight Lens Enhance Night Vision?

    Starlight lenses are revolutionizing low-light imaging, providing superior clarity and color reproduction in dim environments. This guide explores their technology, applications, and how Shanghai Silk Optical Technology Co. Ltd ensures top-quality production. Readers will understand the benefits, specifications, and common questions surrounding these advanced lenses.

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