Features:
1. Exquisite exterior shape and advanced mechanical features.
2. AC/DC power source.
3. Portable, convenient to test in hand or on desk at anytime and anywhere.
Vertex Power Range: +15D - -15D steps
Vertex Power Step: 0 - (+/-)10D (0.125D); (+/-)10D - (+/-)15D, (0.25D)
Prismatic Power Range: 4 prism diopter, 1D step
Cylindnical Axis Range: 0° - 180°, 5°Steps
Max. Lenses Accommodated Diameter: 80 mm
Eyepiece Focusing: -5D - +5D
AC Power Supply: AC 110 V, 60 Hz
DC Power Supply: DC 3 V, 2 x 5# batteries( Batteries are not Included.)
Dimension: 300 x 170 x 70 mm
Weight: 1 kg
Package included:
1 x Manual Lensometer