Additive mixture of colour, „compact“

For simple and fast demonstration of additive colour mixing;
three super-bright diodes with condenser lens as well as movable lens tube with an integrated projection lens
ensure the correct settings for a sharp image at a distance of 15 to 90 cm;
diodes in compact mounting - movable in any direction via to ball joints;
each diode can be turned on/off and is dimmable;
white screen and power supply included;
free projection area (screen): 16 x 10.5 cm;
dimensions: 17 x 15 x 22 cm