Extending the tripod is effected by fully extracting the telescopic legs. It can simply be minimized again by contracting the legs in reverse order.The ball-and-socket head can be adjusted by turning the knurled screw at the head to the left for opening and to the right for closing.Features:- continuously variable ball-and-socket head - 7-section telescopic legs - height when closed: 25.5 cm - height when extended: 100 cm - weight: 409 g