Arducam M12 Lens Kit, Low Distortion M12 Mount Lenses for Arduino and Raspberry Pi Camera

Quick take

This 5-lens M12 mount kit gives you multiple field-of-view options for Arduino and Raspberry Pi camera setups, targeting a lower-distortion look than typical wide-angle lenses. It’s best for makers and engineers who frequently change lenses for different scene coverage, but results depend heavily on matching the correct lens holder height and screw pitch, and edge sharpness may vary by lens and focusing.

Pros and cons

Pros

  • Five carefully selected low-distortion M12 lenses, spanning horizontal FOV about 45° to 90° on 1/4-inch sensors
  • Wide-angle lens kit intended for common OV2640 and OV5647-style 1/4-inch image sensors
  • Includes caps labeled for easier lens swapping, plus screws and an M12 lens holder for projects
  • Fixed-focus design (simplifies swapping), with an 18–20mm focal length range and ~1.11:1 zoom ratio

Cons

  • Edge performance can be uneven, even when the center looks better (some buyers report more blur toward the edges)
  • You must use a compatible lens holder height to achieve proper focus, otherwise the lens may not focus correctly
  • Dimensions like thread length and working distance may not feel fully transparent for precise setup

What buyers think

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Buyer feedback is mixed but generally points to two themes: this kit is genuinely useful for having multiple lens options on hand, and optical sharpness outside the center can be a challenge depending on the lens and how it’s mounted. Other buyers describe the kit as a practical “toolset” that helps choose the right lens for each project, and they appreciate the overall product quality and responsiveness from the team behind it. Overall, buyer-review evidence is limited in volume, so it’s best viewed as a helpful starting kit for experimentation rather than a promise of uniformly perfect edge sharpness in every use case.

Who this lens kit is for

This kit is a good match when you want to experiment with different coverage angles without redesigning your camera setup. It’s especially relevant for makers who build systems around Arduino or Raspberry Pi camera modules that use an M12 lens mount, and who may need a tighter horizontal view for details or a wider view to capture more of a scene.

It also fits well for teams and field engineers who treat lenses like interchangeable tools, for example when testing how a system performs across environments, distances, or framing requirements.

Key specs that matter in real builds

Lens coverage and intended sensor size

The kit includes five M12 lenses for a low-distortion wide-angle experience. Horizontal field of view is listed from about 45° to 90° on a 1/4-inch sensor, with the lenses tested with sensor types such as OV2640 and OV5647. If your camera module uses a different sensor size, your framing expectations may not match these angles.

Focal range and design

Across the kit, the focal length range is described as 18 to 20mm, with a wide-angle lens approach. The kit is described as fixed focus, so you should expect to tune the final result by choosing the lens and focusing position during installation, not by driving an autofocus mechanism.

Mounting hardware and setup requirements

The kit is built around the M12 mount and includes a lens holder plus screws and labeled caps to support quick lens changes. At the same time, compatibility details can make or break your results: you’ll want to select a lens holder that matches the camera board screw hole pitch (18mm vs 20mm pitch options are referenced) and use the correct lens holder height for the lens you pick. If the holder height is off, the lens may not focus properly.

Pros and cons in plain terms

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Why buyers like it

  • More framing choices, less rework: swapping between five lenses helps you dial in coverage without swapping the whole camera module.
  • Useful tooling included: labeled caps, screws, and a lens holder make it easier to iterate during prototyping.
  • Lower-distortion goal: the kit is positioned to reduce the “fish-eye” look that can come with very wide lenses.

Where it may disappoint

  • Edge sharpness may not stay perfect: at least some buyers report that edge blur can show up, even if the center improves.
  • Setup accuracy matters: correct holder height and proper focusing are crucial. A blurry image can result if the lens is screwed in too deep or too shallow relative to the focus point.

Setup caveats that affect image quality

Because this is a fixed-focus lens system, your installation steps matter. When focusing or replacing a lens, avoid screwing the lens into the holder too deep, as it can contact and potentially damage the sensor. It’s also normal for dust or tiny specks to appear during focusing, and those artifacts should clear when the lens is actually in focus. Practically, plan on focusing while monitoring the live image on a screen, then lock your configuration once it’s sharp.

Verdict: is it worth it?

The Arducam M12 Lens Kit is worth considering if you want an easy way to switch field of view for Arduino and Raspberry Pi camera projects, and you like having a set of lenses on hand for different tasks. It seems especially appealing for builders who treat lenses as interchangeable project tools. The main caution is that edge performance may not be uniformly sharp across all lenses, and getting good results depends on using the correct lens holder height and doing careful focusing during installation. If your priority is consistently excellent edge-to-edge sharpness, you may need extra attention to mounting and, in some cases, be willing to test multiple lenses and positions.

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FAQs

How do I choose the right lens holder for this M12 kit?

You’ll want the lens holder height and the screw hole pitch to match your camera board. The kit’s guidance references holder height matching lens specifications, and compatibility options for 18mm and 20mm pitch lens holders.

What field of view range can I expect?

The kit is described as offering horizontal field of view from about 45° to 90° on a 1/4-inch sensor.

Is this kit compatible with Arduino and Raspberry Pi camera modules?

Yes, it’s designed for Arduino and Raspberry Pi camera setups that use an M12 mount.

Does the kit have autofocus?

No. The lenses are described as fixed focus, so you’ll tune results through focusing and lens selection rather than using an autofocus system.

Will I get distortion-free images?

The kit is intended to be low distortion compared with typical wide-angle lenses, but real-world results can still vary by lens and setup, and some buyers report edge blur tradeoffs.

Specifications

Product TitleArducam M12 Lens Kit, Low Distortion M12 Mount Lenses for Arduino and Raspberry Pi Camera
CategoryElectronics > Camera & Photo > Lenses > Camera Lenses
BrandArducam
ManufacturerArducam
Model Namem12
Model NumberLK002
Image stabilizationNo image stabilization
Video Capture Resolution1920 x 1080
Color5-lens Low distortion Kit
Focal Length Description18-20 millimeters
LensWide Angle
Compatible Camera Mountm12 mount
Maximum Focal Length20 Millimeters
Minimum Focal Length18 Millimeters
Lens DesignZoom
Focus TypeFixed Focus
Zoom Ratio1.11:1
Real Angle Of View90 Degrees
Compatible Camera ModelsArduino and Raspberry Pi cameras
Video Capture FormatMP4, AVI
Exposure Control TypeManual
Water Resistance LevelNot Water Resistant
Media TypeImage, Video
Camera Lens10
Manufacturer Part NumberLK002
Unit Count5.0 Count
Warranty Description6 months

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