This magnifier offers an 9X (32 diopter) strength and a significantly larger viewing area (48mm, just under 2 inches wide) than others in its class. Uniform spread of light across the entire lens provides higher brightness and a longer lasting life. They are very easy to use for those with poor dexterity. Sits comfortably in the natural shape of the hand and has easy access to change AA batteries, not included. Includes protective soft cloth pouch. Lens is 1 7/8".