Central sharpness is very good at f/1.8 and f/2, excellent from f/2.8 through ... The taller the column, the better the lens performance. CA (Chromatic Aberration) is measured with any in-camera ...

2025年01月04日 20:34中关村在线 ...

Tamron went large on zoom range with a new compact telephoto lens, while Sigma launched its first lens for the Canon EOS R ...