Felenasoft

A crop module will be very useful to zoom a particular area of the image.

Hello!

You can use zoom in Xeoma. Go to single camera view mode - Menu - Turn zoom mode on. Or you can use 'Image resize' module.
More about modules in Xeoma here: http://felenasoft.com/xeoma/en/description/#modules
Trial version can be downloaded here: http://felenasoft.com/xeoma/en/download/