Optical Lens Set, 2", 6-Piece, Convex and Concave Capacity_25000mL iron nickel-plated hangers

iron nickel-plated hangers

Accurately measure current in circuits in real-time

HPLC and spectroscopy-grade acetonitrile at >=99

and acrylic in a foam-lined wooden case for density-versus-material investigations

Optical Lens Set, 2", 6-Piece, Convex and Concave Capacity_25000mL iron nickel-plated hangersSPHERICAL Each lens is spherical in shape and measures 2" (50mm) in diameter FOCAL LENGTH VARIETY Converging and diverging focal lengths in 200mm, 300mm and 500mm OPTICALLY WORKED GLASS Made of high quality, optically worked glass. Highly polished with ground edges GREAT FOR PHYSICS CLASSROOMS This optically true lens set is excellent for physics classroom demonstrations in optics and light refraction Set of Six Optically True Concave & Convex Lenses