Use the + / - buttons on the top left of the image canvas to zoom in and out of the image. Drag the image with your mouse to move it around. When you zoom or pan the image, you may have to wait a few seconds while the sharpest possible images are fetched from the server.
When you are done viewing the image, just close the browser tab to get back to the Gallery Maskara website.
This is an image zoomer developed at Gallery Maskara, currently in Beta.