The 130 degree Quadraspheric Volk Lens has grown in popularity since its introduction in 1989 as the preferred wide field fundus laser lens. Its sleek 28.6 mm diameter housing provides a definite advantage over competitive wide field lenses for peripheral retinal viewing, reflection displacement and ease of use. This lens is excellent for small pupil fundus examination and as a general diagnostic/laser lens delivering a quality combination of wide-field viewing, image magnification and maneuverability in the orbit. Field of view: 120/144 degrees Image Magnification: 0.51x Primary application: Wide field diagnosis and treatment of the retina.