At 35mm, central sharpness is excellent from f ... Chromatic aberration (CA) is the lens' inability to focus on the sensor or film all colours of visible light at the same point.

From a sweeping ultra-wide 15mm to a "wide-standard" 35mm, the Canon RF 15-35mm f/2.8L IS USM lens could be the perfect travel/architecture/street companion, especially with its fast f/2.8 maximum ...

Today, it's the lenses of June… Think classic telephoto zooms for 35mm film cameras and DSLRs of a ... Sigma finally released ...