| 摘要 |
PURPOSE:To hold the inclination of the optical axis of an adjusted objective even when an external force is applied by fixing an objective lens driving device and an optical system main body rigidly. CONSTITUTION:Bolts 5c and 5d are pressed down by a floating coupling part consisting of coil springs 4c and 4d and the bolts 5c and 5d to energize the objective driving device 2 and optical system main body 3 in approaching directions and also allow the both to be displaced in both leaving and approaching directions. A bolt 5e which constitutes a fixed part is fixed opposite a semifixed coupling part across the slide contact part between a projection part 6 and a recessed part 7 so that the objective driving device 2 and optical system main body 3 are not displaced in the leaving directions. Then, the objective driving device 2 and optical system main body 3 are fixed rigidly by the bolts 5a and 5b, and 5e across the projection part 6 and recessed part 7 as fulcra. When the inclination is adjusted, the bolts 5a, 5b, and 5e are turned.
|
