Centering device

LC-10 pupil distance measuring instrument
1). Effective measuring range
     binoculus pupil distance4582mm
     left or right pupil distance 22.541mm
2). Eye release range30cm¡Þ
3). Display error¡Ü0.5mm
4). Symmetry error¡Ü0.5mm
5). Rounding error ¡Ü0.5mm
6). Power supply VoltageDC 6V
     Specification4 pieces of cells 5#
7). Auto unattended timeone minute after stopping use.
8). Size 230mm¡Á165mm¡Á75mm