Volk® 20D BIO lens, silver ring, 46°/60° FOV, 3.13x image mag., 0.32x laser spot, 50.0mm working distance, ideal for imaging of the macular and optic disc | Ambler Surgical
20D lens PMMA (oDocs Optics) – oDocs Eye Care
Volk® 20D BIO lens, blue ring, 46°/60° FOV, 3.13x image mag., 0.32x laser spot, 50.0mm working distance, ideal for imaging of the macular and optic disc | Ambler Surgical
Volk 20D lens, Double Aspheric, Yellow Tinted, Perfect Condition, Made In USA. - Camera Concepts & Telescope Solutions