Pocket Microscopes are ideal for outdoor use or for indoor science. Small and portable, Pocket Microscopes can be used for hobbies, field trips, or even industrial applications. Pocket Microscopes come in a wide variety of shapes and sizes. Choose between "digital' or "optical', "zoom' or "fixed-power' and "lighted' or "non-lighted.' Carson is the market leader in "optical' Pocket Microscopes.