| 摘要 |
The prism system (17) for rotating the position of an image in an optical beam path is formed from a semicube prism (18) and a rhomboid prism (19), which are disposed so that an even number of reflections takes place at non-mirrored, totally reflecting surfaces. To this end, the beam path (10) enters perpendicular to the hypotenuse surface (21) of the semicube prism (18) and emerges at an offset location; the beam passage surfaces (24, 24') of the rhomboid prism (19) are situated parallel, opposite the exit region (23), and the optical axes of the entrance and exit beams lie, with beam reversal, on the axis of rotation (29) of the prism system (17). The latter exhibits a high light transmittance with low abberations. Use in a microscope and in a panoramic telescope is described. <IMAGE>
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