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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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M22 4.1mm Thermal Imaging Lens
Manufactured and supplied by BOSHI Optical Technology, this F1.0 4.1mm focal length M22 4.1mm Thermal Imaging Lens is an ultra‑wide‑angle infrared objective optimized for 640×512 resolution, 12μm pixel uncooled infrared focal plane arrays. This thermal infrared lens adopts advanced exposed AR anti‑reflection coating to realize infrared transmittance above 88 percent. As a professional infrared optical lens developed by BOSHI Optical Technology, the unit features IP67 front lens protection, approximately 25 gram lightweight build and dependable wide‑temperature optical stability.
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M17 9.1mm Thermal Imaging Lens
Manufactured by BOSHI Optical Technology, this premium uncooled M17 9.1mm Thermal Imaging Lens delivers reliable optical performance for compact portable thermal camera devices. This 9.1mm focal length long wave infrared lens features ultra large F1.0 aperture and matches 640×512 12μm detector perfectly. With HD coating and IP67 front‑element protection, it maintains stable output across wide temperature range for all‑weather outdoor deployment.
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M12 2.5mm F2.0 Lens
This ultra wide lens is engineered for 1/2.7" image sensor, featuring a 2.5mm focal length and F2.0 aperture, delivering a diagonal field of view up to 153°. Manufactured by ShangHai SILK Optical Technology CO., LTD, this M12 2.5mm F2.0 Lens adopts mature optical design, with maximum image circle Φ6.9mm and stable optical total length of 22.0±0.3mm. The wide view lens supports reliable imaging output, with TV distortion controlled ≤-24% and relative illumination ≥55%, ensuring clear brightness from center to edge. Its M12×P0.5 standard mount enables simple assembly for camera modules. Working temperature covers -20℃~75℃, adapting to indoor and outdoor complex environments.
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M7 6.2mm Cone Lens
Manufactured by BOSHI Optical Technology, this dependable M7 6.2mm Cone Lens is a 6.2mm fixed focal lens 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 1.8mm Fisheye 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 1.5mm 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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