Patent ID: 8300331
Filing Date: 2012-10-30
Classification: G02B,G03B

Abstract:
1. A lens unit comprising: a first guide member having a first axis line; second guide member having a second axis line parallel to the first axis line; and a third guide member having a third axis line parallel to the first and second axis lines, the lens unit comprising: a first lens holder having a first holding portion for holding a first lens, a first main sliding portion which is guided by sliding on the first guide member, and a first sub sliding portion which is guided by sliding on the third guide member and smaller than the first main sliding portion as viewed along the first axis line; and a second lens holder having a second holding portion for holding a second lens, a second main sliding portion which is guided by sliding on the second guide member, and a second sub sliding portion which is guided by sliding on the third guide member and smaller than the second main sliding portion as viewed along the second axis line.