| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a lens frame improved in assembly and holding a lens with a simple configuration, a lens holding device having a lens in a lens frame, and a projector having a lens holding device. <P>SOLUTION: The lens frame 20 configured to hold a relay lens 433 of an optical system of a projector 1 includes a holder 22 formed along the periphery of the relay lens 433 and holding the relay lens 433 by an elastic force of the frame body 21, the relay lens having been inserted by elastically deforming the frame body 21 of the lens frame 20 outward, The holder 22 includes a first holding portion 221 configured to hold a peripheral end surface 433A of the relay lens 433, and a second holding portion 222 configured to hold a luminous flux incidence surface 433B and luminous flux exit surface 433C of the relay lens 433. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
