The manfrotto 808rc4 streamlines our range of 3 way heads by incorporating new elements while maintaining all the features you loved the 8 8rc4 features two balance springs in the vertical tilt forwardbackward and horizontal tilt leftright movements these springs enable you to more comfortably handle heavier camera loads such as very long lenses with minimal effort both springs can be turned off in case normal head operation is required the head is comprised of aluminium and designed