RealZoom generates a somewhat realistic zoomed (close-up) image as if you are taking a close look at your LCD, CRT screen, or paper with a magnifying glass. Available zoom types: RGB stripes, RGB dots, LCD, Trinitron (Aperture Grille), Shadow Mask, Video (interlace), Black Print (K=0 and 45 degrees), and Color Print (CMYK=0 and 63.4 degrees). I Hope this is a useful image utility for graphic designers, graphic artists, and for anyone to help understand how images are reproduced on LCD, CRT, and paper. RealZoom genereates TIFF bitmap image files while RealZoom Quartz generates vector-based PDF image files. NOTE: RealZoom generates a very large image when the original image is large, and the system may not be able to handle a very large image properly. Please make sure to select a portion of (or scale down) your large image and save a smaller image with your image editing application such as Photoshop, then load the small image with RealZoom. Thanks.