HVML-1.5 Replacement Lens for Binocular Headband Magnifiers, designed with prismatic glass and featuring an Optivisor Style 1.5x lens with a 20" focal length/working distance. Compatible with our HVM-3 and HVM-4 models, as well as various other headband magnifiers, including OptiVISOR® Brand, these replacement lenses ensure clear and precise magnification for your tasks. Replacing your magnifier lens is simple with the HVML-1.5. Just push out the mounting pins or lens screws, install the new lens plate, and push in the mounting pins or lens screws to securely lock in the new lens. Upgrade your binocular headband magnifier with the HVML-1.5 Replacement Lens to maintain optimal magnification performance for your projects and activities.