| 摘要 |
PROBLEM TO BE SOLVED: To provide an objective lens barrel, an objective lens barrel driving device and an optical information recording and reproducing device, capable of reducing the residual aberration of a combined objective lens consisting of plural lenses and realizing miniaturization and reduction in weight. SOLUTION: The combined objective lens 3, consisting of a 1st lens 1 and a 2nd lens 2, is formed. The 1st lens 1 and a 1st lens barrel 4 holding the 1st lens 1 are stuck and fixed on a 2nd lens barrel 5, holding the 2nd lens 2 only via a spacer layer 7 consisting of an adhesive. |
