Double Convex Lens, Highly polished, optically true lens is excellent for physics classroom demonstrations in optics and light refraction, with ground edges, great for physics classrooms, with highest grade, Size: 200 mm focal length, Lens measures 2in diameter, 0.2 weight
Slit, Five single slits of different widths in a slide frame. Specifications: Slit widths: 0.1/ 0.2/ 0.4/ 0.8/ 1.6 mm, Dimensions: 50x50 mm2, Weight: 0.02 kg
vertically-aligned set LED, easy and dramatic demonstration of the relationship between the color and wavelength of light, spectral range of each LED can be investigated with spectrometer, or just viewed for comparisons with each other
Ray Optics Kit, Consisting Of 2 Lamps Of 12 V, 24 W And Stands, 1 Pair Of Housing Shields, 2 Combined Single And Triple Slit Plates, 2 Multiple Slit Combs, 2 Holders For Combs And Slit Plates, 4 Wooden Light Barriers, 4 Plano Cylindrical Lenses + 7 D, 2 Plano Cylindrical Lenses +10 D
Ray optics apparatus, components,lined with magnetic foil or furnished with a magnet holder and can be easily mounted and aligned on the white board. This apparatus permits a wide range of experiments demonstrating ray optics without the need for a dark room
Optics Kit - Junior, 2.6lbs, 15.0x11.4x4.3inch, ray box with bulb and flex having two 4 mm plugs, a pair of blanking plates, two slit plates, Planoconvex lens, color mixing set, frosted concave lens, frosted convex lens, frosted semicircular lens
Light Guide Demonstrator, S Shaped Bar. 220mm X 20mm X 20mm, For Use With Ray Box, 220mm Long, Bottom Of Bar Is White To Aid Visibility, It Helps Students To Understand The Principles Of Optical Communications. The Bottom Of The Bar Is White To Aid Visibility.
Equilateral Prisms 3pc set, 1in, 2in, and 4in lengths, Material: Acrylic, Each prism is individually wrapped to protect it Will create a rainbow with any standard light source (phone will work) -- use a dark piece of paper with a 1-2mm slit, Size: 25mm face size
Equilateral Prism, Material: acrylic, Refractive index close to optical glass, can produce a rainbow from a non-monochromatic light source such as sun light, Perfect for student use, which will not break or chip like glass, is a softer material, Size: 25mm length, 25mm face size