Zoom allows you to change the magnification used for the main viewer.  You can zoom in or out, fit your image to the screen, or see the actual image size by clicking on one of the buttons just below the main viewer.

 

The  button will make your photo appear larger on the screen.  You can zoom in up to 3000% of the original size of the photo.

 

The  button will make your photo appear smaller on the screen.  You can zoom out to 3% of the original size of the photo.

 

The  button will make your photo fit to the size of the Main Viewer screen.

 

The  button will make your photo appear as its actual size.

ZoomTrack uses the mouse wheel and pointer in combination so that any part of a photo can be quickly magnified.  For example, one way to magnify the bottom left corner of a picture is to zoom in, then take the extra step of scrolling to the area of focus.  With ZoomTrack, the mouse wheel zooms to wherever the mouse is currently pointing, eliminating the extra step.

Please Note:  Zoom only affects magnification, not actual size.