# Zocus

> Wireless DSLR camera lens zoom and focus control via Bluetooth. (iPhone/iPad app by Ross Atkin.)

- Source: https://appshunter.io/ios/app/zocus/id1102148496 (this page in markdown: same URL + `.md`)
- Developer: [Ross Atkin](https://appshunter.io/developer/1047313230)
- Category: Photo & Video, Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 8.0 · 25 MB
- Languages: American English
- Released: 2016-08-02
- Data updated: 2026-06-01
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/zocus/id1102148496/reviews.md

## What is Zocus?

Zocus gives you remote control of the Zoom and Focus of your DSLR Camera Lens. Move the two touchscreen sliders and control the Zoom or Focus of your Lens - wirelessly. The App works via Bluetooth to drive the 3D Printable Zocus Rig to control the Lens.

Download the part files, code and guide at Zocus.co.uk

The Rig was designed as part of a BBC Documentary about designers helping people with disabilities - in this case how to operate a Camera Lens with limited dexterity in your hands. However, the App and Rig has been popular with filmmakers and photographers alike. Customise it to suit your creative needs.

Features include:
- Wide Zoom/Focus sweep (90 degrees rotation).
- High Torque.
- Allows calibration and saves pre-set lenses.
- Able to design your own lens attachments.
- Open Source code, component files and instructions.

This project was brought together by:
* Jude Pullen - Concept & Zocus Rig design
* Ross Atkin - Zocus Rig firmware
* Akram Hussein - Zocus iOS App and Zocus.co.uk development

## Key features

- Wireless zoom and focus control
- Bluetooth connectivity
- Customizable rig attachments
- Lens calibration and presets
- Open-source design files
- Wide rotation sweep (90 degrees)

## Recent user reviews (2 of 2)

All indexed reviews: https://appshunter.io/ios/app/zocus/id1102148496/reviews.md

### 1/5 — Bad app

*2021-07-14, version 1.0.1*

Hard to use, no explanation, not compatible with my camera

### 5/5 — WOW!

*2016-12-08, version 1.0.1*

Just seen the TV program, and what you did was amazing.

Well done!

## Frequently asked questions about Zocus

### What is Zocus used for?

Zocus allows you to wirelessly control the zoom and focus of your DSLR camera lens. It connects via Bluetooth to a 3D printable rig, providing precise adjustments for your camera.

### Is Zocus free to use?

Yes, Zocus is completely free to download and use. The app itself does not have any associated costs.

### What devices does Zocus support?

Zocus is available for iPhone, iPad, and iPod devices. It is designed to work with iOS operating systems.

### Does Zocus have ads?

No, Zocus does not contain advertisements. The app is ad-free, allowing for an uninterrupted user experience.

### How does Zocus control the camera lens?

Zocus uses Bluetooth to connect to the Zocus Rig, a 3D printable device. You operate the rig's zoom and focus mechanisms through the app's touchscreen sliders.

### Can I customize Zocus for my specific lenses?

Yes, Zocus allows for calibration and saving of pre-set lenses. You can also design your own lens attachments to suit your creative needs.

### What is the age rating for Zocus?

Zocus has an age rating of 4+. This indicates it is suitable for users of all ages, with no mature content.

### Where can I find the Zocus Rig files and instructions?

You can download the part files, code, and guide for the Zocus Rig at Zocus.co.uk. This includes all necessary information to build and operate the rig.

## Version history (last 2 releases)

### 1.0.1 — 2016-08-02

This app has been updated by Apple to display the Apple Watch app icon.

Bug fixes

### 1.0.0 — 2016-07-29

No release notes.

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## More apps by Ross Atkin

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- [Yes or No Communication](https://appshunter.io/ios/app/yes-or-no-communication/id1269155698)
- [ButtonBot](https://appshunter.io/ios/app/buttonbot/id1279011520)
- [Smartibot](https://appshunter.io/ios/app/smartibot/id1334831980)

All apps by Ross Atkin: https://appshunter.io/developer/1047313230

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-01.*