Inverse microscope, has buttons arranged in five groups, with two groups on sides of base disposed around tactile recess

摘要

The microscope includes operating buttons (10) grouped into five groups. The buttons of the second group are arranged on a side surface (3a) of a base part (3) around a tactile element. The buttons of the third group are arranged on a second side surface (3c), also around a tactile element. The tactile element may be a recess in the form of a spherical section.