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shanghai silk Optical is a professional manufacturers and suppliers in China. Our factory provides China M12 Interface Lenses, Camera Lens, Endoscope Lens,etc. Extreme design, quality raw materials, high performance and competitive price are what every customer wants, and that's also what we can offer you. We take high quality, reasonable price and perfect service.
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M7 6.2mm Cone Lens
Manufactured by BOSHI Optical Technology, this dependable 6.2mm fixed focal lens is engineered for large‑scale OEM security projects and optimized for the 1/2.7 inch sensor standard. Featuring F2.6 fixed aperture, this compact miniature optics balances light gathering capacity and usable depth‑of‑field for mid‑range surveillance optics deployments. This professional M7 board lens adopts low chief ray angle lens design kept under 15 degrees and delivers high relative illumination lens performance to improve common defects such as corner vignetting and color shift frequently seen in ordinary mini ip camera component. It offers 74‑degree diagonal field‑of‑view to support object recognition and human‑body identification, and its ample image‑circle tolerance offsets assembly deviation during high‑speed module manufacturing. BOSHI Optical Technology carries out full‑batch optical and mechanical verification for each OEM security board lens, to achieve stable round‑the‑clock imaging for indoor commercial and residential monitoring hardware. Optimized for automated assembly lines, this optical component fits Wi‑Fi cameras, compact IP modules and multiple general‑purpose surveillance devices
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1.8mm Fisheye Lens
Manufactured by BOSHI Optical Technology, this high performance ultra wide angle M12 mount lens is optimised for the 1/2.9 inch sensor, equipped with 1.8mm focal length and F2.0 aperture to realise extraordinary large scene capturing capacity. It provides 208 degree diagonal viewing range to realise complete panoramic imaging without visual dead zones. Compact mechanical size allows easy embedding into small form camera modules. Every unit undergoes strict optical testing to realise steady high relative illumination and manageable f theta distortion. BOSHI Optical Technology leverages mature optical manufacturing workflow to maintain reliable product consistency for mass order demands of panoramic monitoring and machine vision optics projects.
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1.5mm Fisheye Lens
Manufactured by BOSHI Optical Technology, this compact fisheye lens features 1.5mm focal length and F2.2 aperture, perfectly matched for 1/4 inch AR0144 sensor. It delivers 200 degree field of view to capture extensive scene coverage within limited installation space. The well optimized optical structure guarantees stable relative illumination and controlled chief ray angle for consistent sensor performance. This board camera lens adopts M12 mount for easy assembly into miniature camera modules. It serves diverse industrial and surveillance projects, bringing reliable imaging output for mass production and prototype testing. Every unit from BOSHI Optical Technology undergoes strict optical inspection to satisfy high volume customer requirements.
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16mm Cone Lens
Developed by BOSHI Optical Technology, the PL‑1645F‑M12 is a compact fixed‑focus cone lens built around 16mm focal length and F4.5 specifications to serve 1/2" sensor imaging hardware. This M12 mount optical assembly adopts full‑glass four‑element structure, delivering 28.3°FOV alongside 8.5mm image circle to match 1/2" sensor and smaller image sensors for space‑limited board‑level camera optics systems. It reaches 95 percent high relative illumination and realizes low distortion performance with TV distortion value of ‑0.25 percent. Its mechanical back focal length measures 3.65 mm and overall total track length hits 28.65 mm for easy embedding into compact camera modules. Created for machine vision and other embedded imaging scenarios from industrial inspection to biometric identification, the lens from BOSHI Optical Technology tightly controls chief ray angle under 8 degrees to restrain vignetting and color shift when cooperating with mainstream CMOS sensors. It balances resolution, miniaturized dimension and cost efficiency, and fits factory automation, logistics barcode reading and medical imaging devices for stable and authentic image output.
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3.26mm Black Light Lens
Designed and produced by BOSHI Optical Technology, this high‑performance wide angle lens is developed for imaging hardware equipped with a 1/2.7 sensor. As a 3.26mm fixed focal wide angle lens with F1.0 large aperture, it collects sufficient light under poor lighting surroundings and suppresses motion blur effectively to elevate low‑light imaging results for security monitoring purposes. Adopting M12 mount structure, this wide angle CCTV lens achieves 129.5 degree diagonal field of view to realize extensive scene coverage and minimize monitoring blind zones. Integrated IR cut filter at 650nm supports authentic color presentation during daytime surveillance. Measuring merely 22.5mm in overall length, the unit can be assembled inside compact camera shells for space‑limited installation cases. BOSHI Optical Technology implements rigorous production quality management. The lens keeps steady optical output within temperature ranging from ‑20℃ to 70℃ for indoor and outdoor deployment. It serves as an economical optical option for CCTV systems, indoor monitoring tasks and industrial imaging projects requiring broad field coverage and dependable low‑light performance.
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2.9mm Cone Lens
BOSHI Optical Technology presents the PL-02934H-M12, a high performance wide angle fixed lens for 1/4" Image Sensor formats. With 2.9mm Focal Length and F3.4 Aperture, this Wide Angle Optical Lens delivers a 119° Field of View for broad scene coverage in tight spaces. The all glass construction supports thermal stability and consistent image quality. A controlled Chief Ray Angle below 6.63° reduces colour shading with modern CMOS sensors. The Compact Fixed Lens has an 8.9mm total track length and a 2.46mm mechanical back focal distance for M12 Lens Mount integration. BOSHI Optical Technology balances TV Distortion at about 14.27% barrel distortion, a typical value for wide angle optics that digital correction can address. Relative illumination is 30% at the edge for usable brightness in low light. This lens suits Surveillance and Automotive Imaging, embedded vision, security cameras, in vehicle surround view systems, and industrial inspection. The 2.9mm Focal Length and 119° Field of View support dashcams, doorbell cameras, and compact devices. The F3.4 Aperture provides useful depth of field from 0.3m to infinity.
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