Chromatic aberration (CA) is the lens' inability to focus on the sensor or film all colours of visible ... which is pretty good for a 20mm lens. Further correction is possible in-camera or in ...
Following up on the buzzy announcement of the SIRUI 40mm T1.8 1.33x S35 lens and its anamorphic autofocus possibilities, ...
At 20mm, central sharpness is excellent ... Chromatic aberration (CA) is the lens' inability to focus on the sensor or film all colours of visible light at the same point. Severe chromatic ...