Optical stand OB-80B 129-052 1 unit

We will observe the principles of convex lenses and the relationship between focal lengths. Comparative experiments can be conducted using two types of convex lenses with different focal lengths. It comes with an arrow-shaped light-emitting diode array that serves as the image forming object. You can also experiment with candles. The carrier is easy to move and the optical bench is made of aluminum, making it lightweight and easy to use. With aluminum scale Size: W800×D100mm Light source (A) 7 LED elements, red, 2 AA batteries (not included) (B) Candle holder lens Convex lens, φ38mm, f=80mm, 1 piece Convex lens φ38mm, f=150mm x 1 Lens holder: 1 piece Screen: Plastic with grooved surface, size: 150 x 100 mm Carriers: 4 Product code: 129-052