This MegaView Pro magnifier headset includes lenses with high-quality Japanese optics that ensure that you can view micro-fine details without distortion. The headset is adjustable to fit just about any user and can easily be worn over glasses. The MegaView is lightweight, comfortable to wear and durable. Lenses have a scratch-proof coating to lengthen their service life. Includes 2X, 2.5X and 3X lenses, each housed in a color-coded leatherette pouch so they are easy to identify and you can change the lens without touching it.