Double Convex Lens, 200mm Focal Length, 3" (75mm) Diameter - Spherical, Optically Worked Glass Lens - Ground Edges, Polished - Great for Physics Classrooms - Eisco Labs industrial_Oct2022 The diameter of the plate B0DFCT6M5X hidden Size:Starter Kit 5000mAh Battery

The diameter of the plate diameter is approx

captivating and magical 3D vision and attractive view whatever in night or day

BELT INCLUDED - Comfortable webbed belt features durable

7mm(no USA size for this)

will not scratch the fabric or stain your favorite quilt

Double Convex Lens, 200mm Focal Length, 3" (75mm) Diameter Spherical, Optically Worked Glass Lens Ground Edges, Polished Great for Physics Classrooms Eisco Labs industrial_Oct2022 The diameter of the plate B0DFCT6M5X hidden Size:Starter Kit 5000mAh Battery The diameter of the plate diameter is approx captivating and magical 3D vision and attractive view whatever in night or day