* Exquisite exterior shape and advanced mechanical features
* AC/DC power source
* Portable, convenient to test in hand or on desk at anytime and anywhere
Specifications:
|
Vertex diopter
|
Range
|
+15diopterto-20dioper
|
|
Step
|
0-(±)10D for 0.125D
|
|
Prism diopter
|
Range
|
4 prism diopter
|
|
Step
|
1 diopter
|
|
Prism Axis
|
Range
|
0 to 180°
|
|
Step
|
1°
|
|
Lens Diameter
|
20mm to 80mm
|
|
Eyepiece Focusing
|
-5D to +5D
|
|
DC and AC
|
(DC)3v (AC)6V/3W
|
