Lens Double-Concave Glass Lens 38mm Diameter 30cm Focal Length.
GSC International 4-90916 Double-Concave Glass Lens – 38mm Diameter 30cm Focal Length – Optical Physics Laboratory Lens for Refraction and Image Experiments Provides superior optical clarity with minimal distortion and reduced chromatic aberration Designed to minimize spherical aberration for consistent focus across the entire lens surface Affordable high-quality glass lens ideal for optical and physics classroom demonstrations Suitable for studying image formation refraction and focal length in lab experiments Measures 38mm in diameter with a 30cm focal length and durable polished optical glass construction PRODUCT WARNINGS This product is NOT A TOY. It is designed for educational scientific or professional use only. Adult supervision is required at all times. Improper use may cause injury or damage. Always follow safety guidelines and wear appropriate protective equipment. Not suitable for children 15 and under.
