A dioptric adjustment dial to the right of the eyepiece accommodates eyeglass wearers, letting them adjust the viewfinder optics between -2.5 to +1.0 diopters. The viewfinder eyepiece has a fairly ...

A dioptric adjustment to the right of the eyepiece accommodates eyeglass wearers, letting them adjust the viewfinder optics between -2.5 to +1.0 diopters, down from -3.0 to +1.0 on the A330/A380.