# EF Lens Controller for OneInchEye Camera

EF / EF-S Lens Controller & Adapter for OneInchEye Camera – Canon® Lens Compatible

- **Seller:** [Pinefeat](https://www.lectronz.com/stores/pinefeat), London, UK
- **Price:** £86.00 (GBP, before shipping and taxes)
- **Availability:** In stock
- **Categories:** Camera and imaging, Raspberry Pi
- **Product page:** https://www.lectronz.com/products/ef-lens-controller-for-oneincheye-camera

## Options

**Mount**

- CS - Back Focus 12.5 mm [Add £86.00] (2 left)
- C - Back Focus 17.5 mm [Add £94.00] (1 left)

## Links

- [Documentation](https://docs.pinefeat.co.uk/cef168-product-brief-oneincheye-camera.pdf)
- [Code](https://github.com/pinefeat/cef168)
- [Design Files](https://docs.pinefeat.co.uk/cef168-assembly-oneincheye-camera.pdf)

## Images

![EF Lens Controller for OneInchEye Camera](https://lectronz-images.b-cdn.net/lectronz/active_storage/representations/proxy/eyJfcmFpbHMiOnsiZGF0YSI6NDI2NTAsInB1ciI6ImJsb2JfaWQifX0=--22717cfc4299016436d755d67501b0dcb9225ca7/eyJfcmFpbHMiOnsiZGF0YSI6eyJmb3JtYXQiOiJqcGciLCJyZXNpemVfdG9fbGltaXQiOls5NjAsNjQwXSwic2F2ZXIiOnsic3RyaXAiOnRydWV9fSwicHVyIjoidmFyaWF0aW9uIn19--970c165836a83091725a1a0fd4f37ce9408da1bf/2026-01-03T22-3A33-3A07.359Z-IMG_1015-3.jpg)
![EF Lens Controller for OneInchEye Camera](https://lectronz-images.b-cdn.net/lectronz/active_storage/representations/proxy/eyJfcmFpbHMiOnsiZGF0YSI6NDI2NTEsInB1ciI6ImJsb2JfaWQifX0=--588dfb01c8a131f09c62cc0267629c6c6d75a76e/eyJfcmFpbHMiOnsiZGF0YSI6eyJmb3JtYXQiOiJqcGciLCJyZXNpemVfdG9fbGltaXQiOls5NjAsNjQwXSwic2F2ZXIiOnsic3RyaXAiOnRydWV9fSwicHVyIjoidmFyaWF0aW9uIn19--970c165836a83091725a1a0fd4f37ce9408da1bf/2026-01-03T22-3A33-3A07.359Z-IMG_1006-2.jpg)
![EF Lens Controller for OneInchEye Camera](https://lectronz-images.b-cdn.net/lectronz/active_storage/representations/proxy/eyJfcmFpbHMiOnsiZGF0YSI6NDI2NTIsInB1ciI6ImJsb2JfaWQifX0=--e639b43382ce50a8ecf02c23584694b40f874f2a/eyJfcmFpbHMiOnsiZGF0YSI6eyJmb3JtYXQiOiJqcGciLCJyZXNpemVfdG9fbGltaXQiOls5NjAsNjQwXSwic2F2ZXIiOnsic3RyaXAiOnRydWV9fSwicHVyIjoidmFyaWF0aW9uIn19--970c165836a83091725a1a0fd4f37ce9408da1bf/2026-01-03T22-3A33-3A07.359Z-IMG_0994-3.jpg)
![EF Lens Controller for OneInchEye Camera](https://lectronz-images.b-cdn.net/lectronz/active_storage/representations/proxy/eyJfcmFpbHMiOnsiZGF0YSI6NDI2NTMsInB1ciI6ImJsb2JfaWQifX0=--3996eed546b0bf5788601a33d10093c4f87f30a4/eyJfcmFpbHMiOnsiZGF0YSI6eyJmb3JtYXQiOiJqcGciLCJyZXNpemVfdG9fbGltaXQiOls5NjAsNjQwXSwic2F2ZXIiOnsic3RyaXAiOnRydWV9fSwicHVyIjoidmFyaWF0aW9uIn19--970c165836a83091725a1a0fd4f37ce9408da1bf/2026-01-03T22-3A33-3A07.359Z-IMG_0985-3.jpg)
![EF Lens Controller for OneInchEye Camera](https://lectronz-images.b-cdn.net/lectronz/active_storage/representations/proxy/eyJfcmFpbHMiOnsiZGF0YSI6NDI2NTQsInB1ciI6ImJsb2JfaWQifX0=--aec8cd7b5dd3d6b860b7d60263a415a1d7cb9886/eyJfcmFpbHMiOnsiZGF0YSI6eyJmb3JtYXQiOiJqcGciLCJyZXNpemVfdG9fbGltaXQiOls5NjAsNjQwXSwic2F2ZXIiOnsic3RyaXAiOnRydWV9fSwicHVyIjoidmFyaWF0aW9uIn19--970c165836a83091725a1a0fd4f37ce9408da1bf/2026-01-03T22-3A33-3A07.359Z-IMG_0922-3.jpg)
![EF Lens Controller for OneInchEye Camera](https://lectronz-images.b-cdn.net/lectronz/active_storage/representations/proxy/eyJfcmFpbHMiOnsiZGF0YSI6NzE2MjIsInB1ciI6ImJsb2JfaWQifX0=--b2b06a5cfbfdb83ded20154c8ca0832eabc9226b/eyJfcmFpbHMiOnsiZGF0YSI6eyJmb3JtYXQiOiJKUEciLCJyZXNpemVfdG9fbGltaXQiOls5NjAsNjQwXSwic2F2ZXIiOnsic3RyaXAiOnRydWV9fSwicHVyIjoidmFyaWF0aW9uIn19--a1419a086f227676aca33a49760ac51e58b523e3/IMG_1472.JPG)
![EF Lens Controller for OneInchEye Camera](https://lectronz-images.b-cdn.net/lectronz/active_storage/representations/proxy/eyJfcmFpbHMiOnsiZGF0YSI6NzE2MjYsInB1ciI6ImJsb2JfaWQifX0=--da4c3b6ce92f32c93628d3e14731706036a8470f/eyJfcmFpbHMiOnsiZGF0YSI6eyJmb3JtYXQiOiJKUEciLCJyZXNpemVfdG9fbGltaXQiOls5NjAsNjQwXSwic2F2ZXIiOnsic3RyaXAiOnRydWV9fSwicHVyIjoidmFyaWF0aW9uIn19--a1419a086f227676aca33a49760ac51e58b523e3/IMG_1476.JPG)
![EF Lens Controller for OneInchEye Camera](https://lectronz-images.b-cdn.net/lectronz/active_storage/representations/proxy/eyJfcmFpbHMiOnsiZGF0YSI6NzE2MzAsInB1ciI6ImJsb2JfaWQifX0=--36d36a9a0925fc1430e567c9b2cc9f5b876550e4/eyJfcmFpbHMiOnsiZGF0YSI6eyJmb3JtYXQiOiJKUEciLCJyZXNpemVfdG9fbGltaXQiOls5NjAsNjQwXSwic2F2ZXIiOnsic3RyaXAiOnRydWV9fSwicHVyIjoidmFyaWF0aW9uIn19--a1419a086f227676aca33a49760ac51e58b523e3/IMG_1477.JPG)
![EF Lens Controller for OneInchEye Camera](https://lectronz-images.b-cdn.net/lectronz/active_storage/representations/proxy/eyJfcmFpbHMiOnsiZGF0YSI6NzE2MzQsInB1ciI6ImJsb2JfaWQifX0=--1f49780be603fa4eae68f26b0ace7890838a12da/eyJfcmFpbHMiOnsiZGF0YSI6eyJmb3JtYXQiOiJKUEciLCJyZXNpemVfdG9fbGltaXQiOls5NjAsNjQwXSwic2F2ZXIiOnsic3RyaXAiOnRydWV9fSwicHVyIjoidmFyaWF0aW9uIn19--a1419a086f227676aca33a49760ac51e58b523e3/IMG_1479.JPG)
![EF Lens Controller for OneInchEye Camera](https://lectronz-images.b-cdn.net/lectronz/active_storage/representations/proxy/eyJfcmFpbHMiOnsiZGF0YSI6NDI2NTYsInB1ciI6ImJsb2JfaWQifX0=--e17fd5ce43bc52155b653ce8bf8fd0f071b24bfa/eyJfcmFpbHMiOnsiZGF0YSI6eyJmb3JtYXQiOiJqcGciLCJyZXNpemVfdG9fbGltaXQiOls5NjAsNjQwXSwic2F2ZXIiOnsic3RyaXAiOnRydWV9fSwicHVyIjoidmFyaWF0aW9uIn19--970c165836a83091725a1a0fd4f37ce9408da1bf/2026-01-03T22-3A33-3A07.359Z-IMG_1024-3.jpg)

## Description

### What is it?

The product allows you to mount Canon EF or EF-S lens onto the OneInchEye Camera and have features like autofocus and aperture control available in rpicam-apps, libcamera or V4L2 (Video4Linux2) API.

### Product Highlights

- **EF/EF-S Lens Compatibility**  
  Supports [Canon EF](https://www.canon.co.uk/store/ef-lenses/) and [EF-S lenses](https://www.canon.co.uk/store/ef-s-lenses/) for photography and video applications.
- **Autofocus**  
  [Automatic focus](https://en.wikipedia.org/wiki/Autofocus) control through *libcamera*.
- **Aperture Control**  
  Control lens [aperture](https://en.wikipedia.org/wiki/Aperture) using the V4L2 (Video4Linux2) API from the Raspberry Pi.
- **Seamless Software Integration**  
  Operates directly with [rpicam-apps](https://www.raspberrypi.com/documentation/computers/camera_software.html#rpicam-apps) and [libcamera](https://www.raspberrypi.com/documentation/computers/camera_software.html#libcamera), no custom code required.
- **C or CS Mount**  
  Designed to physically and electronically interface with the [OneInchEye Camera](https://github.com/will127534/OneInchEye).
  Note: The C mount variant with 17.5 mm back focus fits also [StarlightEye Camera](https://github.com/will127534/StarlightEye).
- **Compatible with all models**  
  It is compatible with all models of [Raspberry Pi computer](https://www.raspberrypi.com/products/) that use the latest software.
- **Maker-Friendly**  
  Ideal for Raspberry Pi enthusiasts, developers, and camera projects needing pro lens features.

### Software Support

This product requires assembly and software setup. 

Detailed assembly and setup instructions are available in our [GitHub repository](https://github.com/pinefeat/cef168).

Please review this guide to ensure correct installation.

---
\* Canon is a registered trademark of Canon Inc. This product is not manufactured by, endorsed by, or affiliated with Canon Inc.

\* Raspberry Pi is a registered trademark of Raspberry Pi Ltd. This product is not affiliated with or endorsed by Raspberry Pi Ltd.

## Shipping policy

Orders are typically dispatched within 2–3 working days. Delivery times may vary depending on the destination and the selected shipping method. 

A list of countries to which shipments can be made is provided at checkout.

We cannot be held responsible for delays caused by customs clearance or inspections. 

Some couriers may handle customs payments on behalf of the buyer and charge the applicable fees upon delivery; additional service fees may apply.