Optical Lens Set, 2", 6-Piece, Convex and Concave Capacity_25000mL HPLC and spectroscopy-grade acetonitrile at

HPLC and spectroscopy-grade acetonitrile at >=99

and accessories for comprehensive laboratory setup

suspended from 37

illustrating additive color mixing

Concave glass mirror at 150mm (5

Optical Lens Set, 2", 6-Piece, Convex and Concave Capacity_25000mL HPLC and spectroscopy-grade acetonitrile atSPHERICAL 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