Donegan Optivisor DA-3 Headband Magnifier Visor, 1.75x, 14″ Inch Focal Length

Description

DA-3 Donegan OptiVISOR is a hands-free, headband binocular magnifier  with a 1.75x optical glass lenses that are ground and polished into prismatic lenses for quality and clarity, and provides a focal length working distance of 14″ other lenses are available in varied magnification which provide specific magnification power (X) at specific focal lengths, or distance from object. The Donegan OptiVISOR is considered by some to be the finest headband magnifier available and has been made in the USA for decades and is highly durable and widely used in industrial and commercial applications. The OptiVISOR magnifier enhances the size and resolution of an object or image, and is commonly used for a variety of applications such as jewelry-making, watch- making, needlework, artwork, electronic inspection, book-reading, print inspection, and stamp-collecting. Can be worn over eyeglasses and many safety glasses. Our standard size lenses will also fit this OptiVISOR® Brand as well as many other headband magnifiers.

•  Lens Power/Magnification -1.75x at 14″ inches
•  Lens Diameter Standard
•  Lens Diopter 3
•  Lens Focal Length 14″