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75mm Thermal Imaging Lens
This high‑performance 75mm thermal imaging lens is developed and manufactured by ShangHai SILK Optical Technology CO., LTD, optimized for 640×512, 17μm infrared detectors to deliver sharp long‑wave infrared imaging output. Featuring a large aperture F1.0 design, this F1.0 athermal lens realizes reliable optical athermalization without extra electric focusing parts, maintaining stable imaging quality within‑40℃ ~ +80℃ extreme working environment. With HD exposed‑optics coating, high transmittance up to 88% and over 96% relative illumination, this infrared lens restores uniform brightness across the whole field of view, while low 0.85% distortion minimizes image geometric deviation. The M34×0.75 mechanical mount ensures quick and stable assembly, and IP67 front‑element waterproof rating brings solid dust‑proof and moisture‑proof capability. Weighs only approx.475g, the compact‑structured thermal imaging lens suits integration into various infrared observation devices.
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50mm Thermal Imaging Lens
This high‑performance thermal imaging lens is developed and manufactured by ShangHai SILK Optical Technology CO., LTD, tailored for uncooled long‑wave infrared thermal imaging devices. Featuring 50mm focal length and bright F1.0 large aperture, this infrared lens delivers outstanding light-gathering capability for low‑light thermal detection scenarios. It matches 640×512,12μm infrared detectors, working within classic 8‑12μm long‑wave infrared spectral band.
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35mm Thermal Imaging Lens
This high‑performance 35mm thermal imaging lens is developed and manufactured by ShangHai SILK Optical Technology CO., LTD, tailored for long‑wave infrared thermal imaging devices working within 8‑12μm spectral band. Boasting a large F1.0 aperture, this infrared lens delivers outstanding light‑gathering capability to secure clear thermal imaging output under low‑light and complex ambient conditions. Compatible with 640×512, 12μm uncooled infrared detectors, the thermal imaging lens supports 2m‑infinity focus range to adapt to both near‑distance observation and long‑range monitoring scenarios. Front element reaches IP67 ingress protection rating, enabling stable operation in harsh outdoor environments. With high transmittance above 92% and low distortion performance, this optical component guarantees uniform image quality across the whole field of view.
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4.2mm Tapered Cone Lens
This compact wide angle lens is manufactured by ShangHai SILK Optical Technology CO., LTD, tailored for 1/2.7‑inch image sensors for industrial and surveillance imaging tasks. As a high‑performance optical lens, it delivers a large diagonal field‑of‑view of 124°, bringing broad scene coverage for real‑time image capture. Featuring fixed focal design and M12 mount, this industrial camera lens owns compact overall dimension with total track length only 10.9mm, easy for embedding into small‑size imaging devices. Its F3.5 aperture balances light intake and optical performance, while controlled CRA value ensures good compatibility with mainstream CMOS sensors. ShangHai SILK Optical Technology CO., LTD strictly controls every production procedure, making this cctv lens stable for long‑time continuous operation. It strikes a fine balance between wide‑angle coverage and practical imaging quality, suitable for various space‑limited vision equipment, and offers reliable optical solution for different civilian and industrial visual‑recording scenarios.
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3.05mm Tapered Cone Lens
This compact machine vision lens is manufactured by ShangHai SILK Optical Technology CO., LTD, optimized for 1/4” sensor with 2592*1944 resolution. Built with reliable optical layout, this mini board lens delivers steady imaging performance with 3.05mm focal length and F5.0 aperture. It supports a 4.8mm image circle and 72‑degree diagonal FOV, meeting the wide‑view requirement of compact imaging modules. The low distortion lens design keeps TV distortion below 1.5%, together with 650nm IRCF wavelength to filter unwanted infrared interference. Ultra‑short TTL at 3.6mm makes it fit for space‑constrained device integration. ShangHai SILK Optical Technology CO., LTD carries out strict optical inspection for each unit, ensuring consistent batch quality for mass‑production projects. This cost‑effective M5.5 mount optical component is ideal for small‑size embedded camera systems across multiple consumer and industrial scenarios.
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2.88mm wide angle lens
This compact M12 wide angle lens is professionally engineered for 1/3” image sensors, delivering ultra-wide diagonal 140° field of view for comprehensive scene capture. Manufactured by ShangHai SLIK Optical Technology CO., LTD, this fixed focal CCTV lens adopts mature optical layout to balance wide coverage and controllable TV distortion, making it a reliable IR corrected board lens for mass-market surveillance cameras. With F2.5 large aperture design, this low light camera lens supports clear imaging under dim indoor environments, while its 55.0% relative illumination effectively suppresses corner vignetting. Its CRA less than 22.8° guarantees excellent compatibility with mainstream CMOS sensors. The compact TTL 15.0mm structure simplifies camera module assembly. As a versatile industrial vision lens and security board lens, this wide FOV optical lens fits miniature IP cameras, home monitoring devices and embedded vision hardware. ShangHai SILK Optical Technology CO., LTD strictly controls optical tolerance to ensure consistent performance of every compact board camera lens for global buyers.
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