Clicking with the left mouse button activates nothing. The Preferences dialog lets you set several options for Prizm including the quality of your image display, the zoom amount, the size of the flying magnifier window, and defaults that you want to use every time an image is displayed. The image below is a snapshot of the Preferences dialog. Before we discuss the preferences, let's discuss the purpose of the buttons at the bottom of the dialog. It does not change the default preferences.
Nothing is changed or saved.
Look below for a description of the settings in the Preferences dialog. Smoothing As you zoom into a color image, you will notice that the image can become blocky. This preference smoothes out the blocks and blends the colors so your images look good at their normal size and at enlarged sizes. Try the three settings for smoothing and see the difference it makes in the look of the image. It does take slightly longer to display an image with high smoothing.