My images are too big. How do I control the size of the zoomed in image?

Cool Image Magnifier has several options to control how much the images are zoomed in.

You can select the size of the zoomed image with the following option in the app preferences page:

Why would I want to reduce the zoomed image?

Maybe you uploaded massive images, as for example 4096x4096px and the loupe shows only a tiny portion of the image.

Or maybe, if the images are huge, you're worried about the downloading times of those images and you prefer to use some smaller for the zoom.