| 摘要 |
The invention relates to a covering system (1) for fixing to a preferably cylindrical object and/or for covering the same, said object especially being a lens system (7) of an operating microscope (5). Said system comprises a covering ring (9) which can be placed over the end of the cylindrical object. The inventive system is characterised by at least two, preferably cylindrical inner surfaces (31, 33) which have different diameters for adapting the covering system (1). |
