Double Convex Lens, 100mm Focal Length, 2" (50mm) Diameter - Spherical, Optically Worked Glass Lens - Ground Edges, Polished - Great for Physics Classrooms - Eisco Labs sold2025 traction grooves provide extra stability
Baker’s notes & crumb story
Description
Double Convex Lens, 100mm Focal Length, 2" (50mm) Diameter Spherical, Optically Worked Glass Lens Ground Edges, Polished Great for Physics Classrooms Eisco Labs sold2025 traction grooves provide extra stability traction grooves provide extra stability while walking Velcro closure adjustable to sizes or added support compression