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Silver metal C-mount lens barrel with manual focus and aperture rings, includes black C-CS adapter ring

KEHIPI

KEHIPI 4-12mm Varifocal C-Mount Lens for Raspberry Pi HQ Camera with C-CS Adapter

SKU CH-7SXB-J4SNK

Varifocal C-mount lens adjusts from 4-12mm with manual focus and aperture rings, includes C-CS adapter for Raspberry Pi HQ Camera, covers 87.2°-39° horizontal FOV on IMX477 sensor, weighs 67.5g

  • TypeTelephoto
  • CompatibilityRaspberry Pi High Quality Camera
  • Feature12 month
  • Adjustable 4-12mm focal length lets you frame distant or wide scenes
  • Manual focus and aperture rings give precise control over depth of field
  • Horizontal field of view spans 87.2° to 39° on the IMX477 sensor
  • Includes C-to-CS adapter for direct fit on Raspberry Pi HQ Camera
  • Compact 33×43mm design weighs only 67.5g for easy mounting

Product Purpose

The KEHIPI 4-12mm varifocal C-mount lens adapts the Raspberry Pi High Quality Camera to a compact telephoto optic. A C-CS adapter is included so the lens mounts directly to the camera’s native CS-mount. It suits makers building machine-vision rigs, wildlife monitors or fixed-focus inspection stations that need a narrower field of view than the stock lens provides.

Adjustable Optics

The lens offers a 4-12mm focal range with manual focus and aperture rings spanning F1.6 to F16. On the 1/2.3" IMX477 sensor the horizontal field of view shifts from 87.2° at the wide end to 39° at the telephoto end, or 80° to 32° depending on the crop mode used. No IR filter is fitted, so infrared-sensitive applications can be addressed without modification.

Compatibility Check

Verify that your project uses the official Raspberry Pi High Quality Camera with its CS-mount flange; other Pi camera modules have different back-focus distances and will not reach focus. The lens optical format is 1/2", so it covers the IMX477 without vignetting. Ensure the 33×43mm barrel and 67.5g mass fit inside your enclosure and that the 0.2m minimum object distance meets your closest working distance.

Highlights

  • Adjustable 4-12mm focal length lets you frame distant or wide scenes
  • Manual focus and aperture rings give precise control over depth of field
  • Horizontal field of view spans 87.2° to 39° on the IMX477 sensor
  • Includes C-to-CS adapter for direct fit on Raspberry Pi HQ Camera
  • Compact 33×43mm design weighs only 67.5g for easy mounting

Specifications

BrandArducam
ModelC2004ZM12
Part NumberLN048
TypeTelephoto
CompatibilityRaspberry Pi High Quality Camera
Feature12 month

Questions about this item

Does the manual aperture ring on this C-mount lens require periodic lubrication or replacement over time?

The aperture ring is a mechanical control with no electronic components; it operates without lubrication and has no user-serviceable parts that need scheduled replacement.

What focal-length limit is reached first when zooming this 4-12mm varifocal lens for sustained telephoto work?

The maximum focal length is 12mm, and the aperture narrows to F16 at that setting, which limits light intake before any mechanical stop is reached.

How much heat does the 67.5g aluminium barrel generate during all-day operation on a Raspberry Pi HQ Camera?

The passive metal barrel dissipates heat from the sensor through conduction; with no motor or electronics in the lens itself, it adds negligible thermal load during continuous use.

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