In this review, we'll compare the Sony 70-400mm F4-5.6 G SSM for the A Mount with the Sony 70-400mm F4-5.6 G SSM II for the A Mount, both Telephoto Zoom lenses designed by Sony. Both lenses have the same focal length and max apertures of 70-400mm and F4.0 - F5.6 so they are very comparable in this regard.
We'll begin by briefly examining the main specifications of these two lenses. In the subsequent section, we'll delve into a more detailed analysis, outlining the strengths and weaknesses of each.