Lens, double concave, 150mm f/l

All our lenses and circular mirrors are 38 mm in diameter. The focal length (f/l) is noted for each.

All our lenses and circular mirrors are 38 mm in diameter. The focal length (f/l) is noted for each.

A set of six 38 mm diameter acrylic lenses that includes one each: double-convex, plano-convex, concavo-convex, double-concave, plano-concave and convexo-concave.

All our lenses and circular mirrors are 38 mm in diameter. The focal length (f/l) is noted for each.

All our lenses and circular mirrors are 38 mm in diameter. The focal length (f/l) is noted for each.

Set of six glass lenses used to demonstrate optical properties.

Glass spherical mirrors set provide a variety of concave and convex surfaces for a wide range of optics experiments.

This high-quality seven-piece acrylic lens and prism set is useful for teaching a wide variety of optical principles. You get three lenses and four prisms.

All our lenses and circular mirrors are 38 mm in diameter. The focal length (f/l) is noted for each.

Lens holders for a simple optics bench; clips onto the edge of meterstick.