Donegan Optical Company, Inc. Magnification Donegan Optical DA-4

The OptiVISOR is a precision binocular headband magnifier designed for tasks requiring close and accurate work. It features optical glass prismatic lenses that are ground and polished to precision optical standards, ensuring clarity and durability. The magnifier allows for hands-free operation, reducing eye strain while providing three-dimensional vision. It can be worn over prescription or safety eyeglasses, making it versatile for various users. The adjustable headband is made from a lightweight material, ensuring comfort during extended use. The visor can be tilted out of the way when not in use, allowing for easy access to magnification when needed. The product is available in multiple lens options, offering different magnification levels ranging from 1.5x to 3.5x, with corresponding focal lengths from 4 inches to 20 inches. An additional monocular attachable lens option is also available, which adds 2.5x magnification to all models.