For me, this new Sony 18-135 f3.5-5.6 lens is clearly preferable to its two likeliest competitors, the Sony Zeiss 16-70 f4 lens, and the Sony 18-105 G f4 lens. As compared to the Zeiss, my new Sony 18-135 is sharper from 18mm to 50mm, equally sharp from 50mm to 70mm, and provides the extra...