Zoom controls

	Zoom factor To change the zoom factor: enter the zoom factor in the range 1 to 2000 and press Enter, - or - use the up-down control to increase or decrease the zoom factor.
	Zoom in Click in the image to increase the zoom factor and show more detail. To zoom into a specific area: activate and next click a starting point and move the mouse to drag a rectangle over the area of interest.
	Zoom out Click in the image to decrease the zoom factor and show less detail.
	Fit Adjusts the zoom so that the image fits inside the window.
	Drag/Pan Move the image inside the window. You can also pan by moving the mouse while pressing the Shift key.

Zooming only magnifies the image on your screen; it does not change the physical size of the picture.
You can also zoomin at a specific point by clicking the mouse while pressing the Alt key.
To zoom in and out using the mouse, hold down the Ctrl key while you turn the mouse wheel.

See also