Double Rod Optical Bench

A Optical Bench of plated iron rods mounted parallel in a pair of sturdy, metal legs, engraved scale, 0-100cm, on one rod, graduated in mm. Legs have leveling screws. Five heavy,  riders included with an index mark on one side, and a knob at the bottom to loosen/tighten their grip on the rods for adjusting their positions. Two riders have slow-motion screws, providing sideways movement for axial adjustment of accessories. Accessories can also be adjusted for height. All accessories described in optical bench accessories are supplied with the bench.