Mini Telescope/microscope Goes from 6 inches to 7-3/4 inches when pulled open - pocket sized convenience This telescopic microscope has a range of 8 to 30x magnification It has a pen-like shape, and is equipped with a pocket clip; 3/16-inch hole to view from Lightweight, weighs only 0.06 ounces - you can take it anywhere, This microscope is excellent for science students and print shop Free Gift : Non-Lighted Credit Card Magnifier