Zoom lens barrel

  • US 6,049,432 A
  • Filed: 04/06/1999
  • Issued: 04/11/2000
  • Est. Priority Date: 06/07/1993
  • Status: Expired due to Term
First Claim
Patent Images

1. A zoom lens barrel comprising:

  • at least two lens groups, a linear movement guide tube to guide a linear movement of said lens groups along an optical axis and a cam tube to reciprocate said lens groups along said optical axis, said guide tube having a guiding portion formed on a film side end portion of said guide tube and extending in parallel with a film surface.

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