Optical Bench Set

The guide rail is 1000mm long, and both the guide rail and slider are metal parts. The slider should slide freely on the guide rail without any obstruction. The metal ruler has a scale of 900mm and a division value of 1mm. The illuminance at the light source outlet should be ≥ 5001x, and the illuminance at 500mm should be ≥ 3001x. The attachments include 2 double convex lenses, 1 flat convex lens, 1 double concave lens, 1 "1" screen, 1 white screen, 5 insertion rods, 1 ground glass screen with bracket, and 1 candle holder. Each component is easy to assemble, fix, and disassemble