English
Home > Products > 4.0mm focal length

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.

Related Products

Hot Products

  • Smart Home DV M12 Lens

    Smart Home DV M12 Lens

    Smart Home DV M12 Lens is 12mp high-definition CCTV lens， Smart Home DV M12 Lens
    Is for smart home camera，Smart Home DV M12 Lens
    is with 1/2.7 "face recognition.
  • Standard M12 2.85mm 1/2.9

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

    Standard M12 2.85mm 1/2.9" F2.3 Security CCTV 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.
  • M12 F2.4 2.8mm 1/2.7

    M12 F2.4 2.8mm 1/2.7" Security CCTV Lens

    Standard M12 F2.4 2.8mm 1/2.7" Security CCTV 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.
  • Universal LED car welcome lights, carpet lights, door lights, laser projection lights, floor lights, decorative induction lights

    Universal LED car welcome lights, carpet lights, door lights, laser projection lights, floor lights, decorative induction lights

    This manufacturer specializes in customizing and developing Universal LED car welcome lights, carpet lights, door lights, laser projection lights, floor lights, decorative induction lights, etc. By focusing the light emitted by the light source through a lens group, while ensuring the lighting range and brightness, it also adds the function of projection logos.
  • New product 4K Ultra HD 1/3.06

    New product 4K Ultra HD 1/3.06 "endoscope M5.5 lens

    New product 4K Ultra HD 1/3.06 "endoscope M5.5 lens ，large depth of field 10-120mm. Can be applied to 3D microscopes
  • Full Color F1.0 blacklight lens 4mm

    Full Color F1.0 blacklight lens 4mm

    Full Color F1.0 blacklight lens 4mm demonstrates significant advantages in stray light suppression, edge imaging sharpness and light transmittance, with higher yield and better consistency. It can still clearly capture details in low-light conditions.
  • Related Blog
  • Reviews

  • New Journey Begins | Silk Optical New Employee Symposium Wraps Up Successfully

    In October 2025, Silk Optical held a warm and engaging symposium for new employees. Centered on the theme "Together on a New Journey," the meeting facilitated open discussions on onboarding experiences, career development, and company culture. This article highlights the key moments and outcomes of the event, underscoring Silk Optical's people-first approach and its vision to become the most valued enterprise in the optics industry

  • How Can an M12 Fisheye Lens Transform Your Imaging Projects?

    The M12 fisheye lens is a versatile optical solution designed to capture ultra-wide-angle images with minimal distortion. This article explores its features, applications, and technical specifications, helping photographers, security system designers, and industrial engineers understand how to choose the right lens for their projects. With structured explanations, practical examples section, this guide provides actionable insights for professional imaging needs.

  • Shanghai Silk Optical in the Optical Manufacturing Vocational Skills Competition

    ​Congratulations to our employee Xu Can for participating in the "Tiangong Cup" Optoelectronic Manufacturing Industry Employee Vocational Skills Competition in Shangrao City on September 28, 2024, Obtained third place in the optical lens appearance inspection project.

  • The Optical Evolution of Dashcam Lenses: From Silent Witness to Digital Cornea

    This is a fascinating look at the intersection of history, physics, and consumer technology. To polish this, I have refined the prose to be more evocative and professional, ensuring the technical terms remain accurate while the narrative flow feels more like a high-end tech journal or industry white paper.

  • Capture the perfect shot with the right camera lens

    The camera lens is one of the most important components of a camera as it determines the quality and clarity of the images captured. Depending on the type of photography you plan to do, choosing the right lens for your camera is crucial.

  • Ruined by Flare and Ghosting? Here Are the Coating Solutions You Need.

    In the world of lens manufacturing, light is our best friend—until it isn't. Whether you are producing lenses for high-end security systems, automotive ADAS, or delicate medical endoscopes, you know the struggle. You design a perfect set of glass elements, only for a rogue beam of light to bounce around inside and create "optical artifacts" that nobody asked for.

Send Inquiry

Hit enter to search or ESC to close
X
We use cookies to offer you a better browsing experience, analyze site traffic and personalize content. By using this site, you agree to our use of cookies. Privacy Policy
Reject Accept