Annoyed me that I myself with 8-fold magnifier; Also in the program; covert small codes, or S-No. easy to read. By the light I have the tiny figures under control. Simple, and m. E. stable mechanism. Simply pull, and the microscope works. Batteries I have not changed since the beigeügten Batt. working properly. Goods already assembled. To open the battery compartment, it is necessary a small watchmakers screwdriver. Larger cruisers would destroy the cross edges. But as a tool there is, if not available, for little money here at Amazon.
