The Donegan optical LP-3 is a precision-engineered optical glass prismatic lens plate, specifically designed for integration with the OptiVISOR headband system. This lens plate features a 3 diopter configuration, providing a magnification factor of 1.75 times. It is optimized for a focal length of 14 inches, ensuring clear and detailed visual enhancement for tasks requiring precision and accuracy. The LP-3 is constructed to deliver superior optical clarity and durability, making it an essential component for professionals who demand high-quality magnification in their work. Replacement lens designed specifically for the OptiVISOR, ensuring precise fit and optimal clarity for enhanced magnification and improved visual performance The operational power is 1.75 times at a distance of 14 inches