REDUKTIONSVEXEL, SERSKILT FOR KAMERAMOTORER FOR KAMERAOBJEKTIV

摘要

A camera lens drive comprises a small electric motor and a transmission for driving a lens part. The transmission is formed solely by a number of planetary gear sets arranged in series. The planetary gears are ball bearings having adjustable prestressing. The prestress of a group of input sets is adjustable independently of the prestress of a group of output sets.