PATIKIL 2" (50mm) Focal Length Double Convex Lens, 3 Pcs 30mm Diameter 5mm Height Glass Optically Polished Round Edges Lens for Physics Experiment, Clear workwarehouse One deck each side

One deck each side

Making your gardening more organized

Appropriate dimensions: these wax sticks for envelopes are approx

GL GLK Class

PATIKIL 2" (50mm) Focal Length Double Convex Lens, 3 Pcs 30mm Diameter 5mm Height Glass Optically Polished Round Edges Lens for Physics Experiment, Clear workwarehouse One deck each sidePATIKIL 2" (50mm) Focal Length Double Convex Lens, 3 Pcs 30mm Diameter 5mm Height Glass Optically Polished Round Edges Lens for Physics Experiment, Clear The double convex lens is a type of lens that is thicker at the center than at the edges and is used to gather light. It can make telescopes, suitable for a variety of applications, including scientific experiments, photography, and optical instruments. Specification Color: Transparent Material: