Zoom tool

The zoom allows you to see small details on a picture. It's a best tool created in the computers. And the PictureViewer allows zoom, the biggest zoom set is 10x and the smallest zoom is 0.1x.

The ways for this tool

First: Menu bar

Go to Zoom > Zoom in to increase the zoom.
Go to Zoom > Zoom out to decrease the zoom.

Second: Icons below the image

Click in magnifying glass below the image to increase or decrease the zoom. The magnifying glass with a minus (-) sign decreases the zoom. The magnifying glass with a plus (+) sign increases the zoom.

Third: Keyboard

Type - (in the numpad part of keyboard) to decrease zoom. Type + (too in the numpad part of keyboard) to increase zoom.