# Adding a Camera

We will add an A7R4 camera. The device type is only a label, so select the Rollei camera:

<figure><img src="https://2222094320-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FdEevfLZRIk38LUPwDa4V%2Fuploads%2Ftvzx7sgfrkyCX0yw7dm4%2Fimage.png?alt=media&#x26;token=4d176e91-9a9a-42dd-aca5-8fc9a132ca24" alt=""><figcaption></figcaption></figure>

Next, enter the pixel size, focal length, and principal point for the A7R4:

<figure><img src="https://2222094320-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FdEevfLZRIk38LUPwDa4V%2Fuploads%2Fr1Bqiw328PYlAVJvmj2R%2Fimage.png?alt=media&#x26;token=f192de57-02cc-46ff-a0fb-884bdcef2b6c" alt=""><figcaption></figcaption></figure>