Photographic lens adjusting device, has adjustable guiding unit connected with housing and designed as plate with sliding head aligned at width of recess, where head includes slot having adjustable width and running in radial direction

摘要

The device has an adjusting ring (15) with an internal thread, and a lens tube with an external thread. The ring is rotatably mounted in a housing (2), and the tube has an axially parallel recess (5). An adjustable guiding unit (3) is connected with the housing, and is designed as a plate with a sliding head (6) which is aligned at the width of a recess. The head includes a slot having adjustable width and running in a radial direction.