> For the complete documentation index, see [llms.txt](https://docs.lightact.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.lightact.com/projection-mapping/iris/adjusting-focus.md).

# Adjusting Focus

All the cameras need to have a good and clear view of the projection object. The image also needs to be in focus.

![Iris focus ring](/files/iZnN9b0vcxhCiuhSH5uc)

You can adjust the focus rings on the camera itself and while doing it keep clicking on **Refresh the texture** button.

<div align="left"><img src="/files/CeciMHREVHF3BHMaLO2Q" alt=""></div>

Enabling **Circles and lines** override might help you achieve a precise focus.

<div align="left"><img src="/files/x06Etxxyc7r7sBWjHsYE" alt="Camera’s view of the projection object with Circles and lines content override active on the projector."></div>

{% hint style="info" %}
**Good to know:** Once you ensure the focus, it is recommended to tighten the screw a bit, so that the focus doesn't change.
{% endhint %}