Using action scripts, learn how to create a zoom effect in this basic FlashTutorial and make your images look magnified. Resource needed: Picture LINK
Import an image by clicking on file - imort - import to stage or press 'ctrl+R'.
Insert another layer and copy that pic on that layer also.
Change the Name of layers to zoom and small.
Goto zoom layer and make that picture larger then small layer's picture with the help of free transform tool.
Insert another layer and place it on the top. Now draw a circle and convert that circle to movie clicp.
Put mask layer just above zoom layer and also note that the small layer should be the lowest layer.
Double click on that circle then covert it to button.
Select that circle and give an instace name 'p'(in small letter) from property pannel.
Right click on that circle and click on action then write the scripts as it shown in the picture.
Now it's completed and zoom effect has been created.