Laser Diffraction Kit, lets students create, view, and measure diffraction and interference patterns, kit includes two laser pointers-red and green - along with a convenient mounting base and a slide set of diffraction objects
UpClose G2 8x21 Roof Binocular, Multi-coated optics increase light transmission resulting in brighter and sharper images with high contrast levels. Stylish rubber covered aluminum body protects from rough handling. Ergonomic thumb indents and finger ridges for comfort. Water resistant
Concave Mirror, Material: Glass, designed for physics and educational uses, Because of their educational use design, there may minor imperfections that do not affect physical function, thickness varies as they are not designed, Size: 3in diameter, 300mm Focal Length - 3mm Thick
Rectangular Block - Glass, Made from imported optical glass with optically worked surfaces, All angles accurately worked with edges slightly bevelled and glass free from bubbles, Size 75 x 50 x 18 mm