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High-Precision Code Reading First Choice: JSD3840 Lens Review with <0.4% Distortion

Release time:2026/1/27 9:50:30 Article source: SHENZHEN JSD OPTOELECTRONICS CO.,LTD

Missed scans cost time.

Missed scans cost money.

Your hardware needs to read the code right the first time. Every time.

Stop blaming the software. Look at your glass.

We tested the JSD3840. It isn't just another piece of plastic. It is a data-reading monster designed for high-precision equipment.

The Enemy: Distortion

Wide-angle lenses usually bend the world. Straight lines turn into curves. QR codes look like soup bowls. Recognition algorithms hate curves.

The JSD3840 changes the game.

FOV: A massive 100°. You see more of the package.

Distortion: <0.4%.

Read that again. Less than 0.4%.

The image is flat. The codes are square. Your error rate drops to zero.

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20MP: Tiny Details, Big Clarity

Speed requires sharpness. Blurry edges confuse sensors.

This lens packs 20MP resolution into a tiny body. It supports 1/1.8" image circles.

You get edge-to-edge sharpness. Even tiny barcodes on the edge of a conveyor belt look crisp.

EFL 3.76mm gives you the perfect balance of width and detail.

Compact Power

Industrial space is tight. Handheld scanners and fixed readers don't have room for bulky optics.

 

Thread: Standard M12.

TTL: Only 15.8mm.

Aperture: F/4.0.

It creates a deep depth of field. Objects stay in focus even if distance varies slightly. No moving parts. No autofocus hunting. Just instant clarity.

 

This isn't for a vlogger's webcam. It's not for a holiday GoPro.

The JSD3840 is for logistics. It is for factory automation. It is for high-speed sorting.

You need speed? You need accuracy?

Equip the JSD3840. Read codes faster.