Consists of: 8 Plano-convex lens fl 500mm, 1 Plano-convex lens of fl 150mm 12 Lens holders 4 Plates of different apertures,32,22,11 & 5.5mm diam.resp. 3 Plates with small holes in circles of 29,22,10 mm diam. 1 Plate with circular aperture of 5.5 mm diam. 4 Multi-aperture plates 4 Stop plates 2 Slide holders 6 Translucent screens, 10 White cards 4 Eye-pieces 15 each Red,green and blue filters 40 Black cards with holes 40 Razor blades 120 Rubber bands 1 Piece black chiffon for diffraction effects
