Exporting two tiff files from the Image Acquisition Tool

Hi. I am using a trigger to capture two consecutive images (1 sec apart) with Image Acquisition Tool.

The problem is export data

When capturing one image, the Image File option is avaliable

When capturing two images or more, only VideoWriter / MAT-File / Workspace are availble.

The MAT file contains a 4-d vaiable

I am having trouble since I need image files, and cannot produce them...

Thaks!