Description This 42" Optical bench is constructed with a square section aluminium tube which riders can move along tube easily. Rail has 1cm graduations up to 100cm. Comes with 5 riders for lens and slit holder. Optical bench can be used to measure the focal length of a lens. Prefect for Physics experiments. Set comprises of :1 double concave lens1 double convex lens1 plano convex lens1 plano concave lens1 LED 12V Light source with 12 V adapter1 Candle holder1 Lens holder1 Single slit with holder1 White screen1 Translucent screen ( 241-509 )
