|
Range
of data display |
Binocular
pupillary distance: 44-83mm |
|
Left
or right pupillary distance: 22-41.5mm |
|
Effective
range of measurement |
Binocular
pupillary distance: 45-82mm |
|
Left
or right pupillary distance: 22.5-41mm |
|
The
scope of the focus point |
30cm﹣∞ |
|
Power
source |
Voltage:
DC 3V, Specification: AA battery, Quantity: 2 Or 4
pieces |
|
Time
for automatic shut-off |
1
minute after stopping operation |
|
Dimensions |
214mm(L)×150mm(W)×51mm(H) |