Forget what you know about standard consumer lenses. When it comes to industrial imaging, security surveillance, and professional sensing, "standard" doesn't cut it. You need a lens that sees more, sees better in the dark, and fits into spaces other lenses can't.

Meet the JSD3122: An M12 optical powerhouse that doesn't just capture an image; it captures the whole story.

Here is a deep dive into why this 5MP beast is the new benchmark for professional vision systems.

1. F1.2: The "King of the Night" Aperture

The title mentioned F2.2? Forget that. The JSD3122 laughs at F2.2.
This lens boasts a massive F/NO 1.2 aperture.

In the world of optics, this is a game-changer. An F1.2 aperture allows a flood of light to hit the 1/2.7" image sensor, drastically outperforming standard F2.0 lenses.

The Result: Whether you are building a driver monitoring system (DMS) for a dark truck cabin or a security camera for a dimly lit warehouse, the JSD3122 delivers bright, low-noise images without relying on grainy digital gain. It is practically night vision in an M12 form factor.

2. 181° FOV: Total Situational Awareness

Why settle for a 92° view when you can see everything? With an Effective Focal Length (EFL) of 2.16mm, the JSD3122 offers a stunning 181° Field of View (FOV).

The Power of Fisheye:This isn't just a wide angle; it’s a panoramic eye. A single JSD3122 lens can replace multiple standard cameras, covering blind spots and corners in a single shot. It is ideal for robotics, panoramic security, and VR applications where missing a spot isn't an option.

3. Professional Precision (Not for Selfies)

This lens is explicitly not for consumer cameras. It is engineered for machines.

High Resolution:Optimized for 5MP sensors, it ensures that the wide angle doesn't mean low detail.

Controlled Distortion:Fisheye lenses are known for warping, but the JSD3122 keeps optical distortion to <-3.17%, ensuring high-quality data for image processing algorithms.

Compact Design:With a standard M12 thread and a short TTL (Total Track Length) of 17.41mm, it is designed to fit inside compact industrial housings where space is at a premium.

The Verdict

The JSD3122 strikes the ultimate balance between "seeing wide" and "seeing bright."

By combining a 181° fisheye view with a blisteringly fast F1.2 aperture, it solves the two biggest headaches in industrial optics: blind spots and low light. If you are an engineer pushing the limits of machine vision, this is the glass you’ve been waiting for.

If you have any lens requirements, please contact us via email: info@jsdoptical.com

Technical Spec Sheet (JSD3122)

Resolution:5MP

Focal Length (EFL):2.16mm

Aperture (F/NO):F1.2 (Ultra-Bright)

Field of View (FOV):181° (Panoramic)

Distortion:<-3.17%

Image Circle:1/2.7"

Mount:M12