Deflection system for a microscope, especially for use during surgery, has 180o prisms across the viewing beam together with deflection prisms

摘要

The deflection system (10) for a viewing instrument, and especially a microscope, has at least one lens unit (16) and at least one optical unit (30) to guide at least one beam passage (14,15) between its entry (12) and exit (13). The optical unit is a 180[deg] prism (31,32) to reverse the image, arranged across the extended deployment (L) of the deflection system. At least one deflection prism (33-36) is placed before and/or after the 180[deg] prisms.