You can get dual power binoculars (check out Leica 'Duovids').
I imagine vario-power bins would be very expensive to manufacture (decent ones that is), and there are too many optical compromises....
Type: Posts; User: Frodo
You can get dual power binoculars (check out Leica 'Duovids').
I imagine vario-power bins would be very expensive to manufacture (decent ones that is), and there are too many optical compromises....