They were a great pair of binoculars in there day ...
However, time has moved on, and Leica has refused to upgrade the optics and body shell material, making them to heavy, significant CA compared to current alphas and a narrow fov. .....
Why don't Leica do a face lift on the Duovids ?
Because they don't sell enough to make it worth the while. Which is my opinion is a cyclical argument