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China 4.0mm focal length Manufacturers, Suppliers, Factory

The key to our success is "Good Solution Top quality, Reasonable Value and Efficient Service" for 4.0mm focal length,5MP,BOSHI,China,22.4TTL, Seeing believes! We sincerely welcome the new clients overseas to setup business enterprise interactions and also be expecting to consolidate the relationships while using the long-established prospects.
4.0mm focal length, Our company offers the full range from pre-sales to after-sales service, from product development to audit the use of maintenance, based on strong technical strength, superior product performance, reasonable prices and perfect service, we are going to continue to develop, to supply the high-quality merchandise and services, and promote lasting cooperation with our customers, common development and create a better future.

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  • 2.85mm 1/2.9

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    2.85mm 1/2.9" M12 F2.3 Security Lens PL071, 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.
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    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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