ibasenice 6pcs Lenticular Durable Labrynths Edgers Optical Magnifying Glass for Coins Clear Frame Eye Loupe Convex Experiment Equipment 100mm Magnifier

• FOCAL LENGTH VARIETY - Converging and diverging focal lengths in 50mm, 100mm and 300mm
• GREAT FOR PHYSICS CLASSROOMS - This optically true lens set is excellent for physics classroom demonstrations in optics and light refraction
• SPHERICAL - Each lens is spherical in shape and measures 2 (50mm) in diameter
• OPTICALLY WORKED GLASS - Made of , optically worked glass. Highly polished with ground edges
• EXCELLENT QUALITY - Made of polished glass with ground edges.

Description This item is products have been carefully designed by laboratory professionals along-side experienced engineers with quality and durability in mind. They are manufactured with only the highest grade raw materials and according to international quality standards to ensure that they can withstand use in even the toughest laboratory environments Features - Color: Transparent. - Material: Glass. - Size: 3 * 3 * 0.15 cm. - Converging and diverging focal lengths in 50mm, 100mm and 300mm - This optically true lens set is excellent for physics classroom demonstrations in optics and light refraction - Each lens is spherical in shape and measures 2" (50mm) in diameter - for lab use. Package Including 2 x lens [50mm focus 3cm diameter] 2 x lens [300mm focus 5cm diameter] 2 x lens [100m focus 5cm diameter]