What are the technical specifications? 

EyeFINE is Keplerian telescopic system made from six lenses. It has a  bright, wide field of view. It has a field of view of 16.4 degrees.  At distance, it provides 3.5X magnification. At near, it provides 4.7X magnification. It can focus from 12 inches to infinity. The standard  eyeFINE can accommodate patient prescriptions from -10.00 to + 7.00 with higher powers available by special order. It can be special ordered with +15.00 to -2.00 or +5.00
to -12.00 focus ranges. It comes with two frame sizes. It is also available in a handheld form.

How is eyeFINE powered?

EyeFINE‘s power pack contains four  AA nickel-hydride rechargeable batteries which can provide up to 8 hours of use.