Canon EF 28mm f/1.8 USM - Full Format Review / Test - Sample Images & Verdict
Lens Reviews - Canon EOS (Full Format)

Sample Images

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Make Canon
Model Canon EOS 5D Mark II
ISO Speed 200
Focal Length 28.0mm
Aperture: f/1.8
Exposure 1/8000s
Make Canon
Model Canon EOS 5D Mark II
ISO Speed 200
Focal Length 28.0mm
Aperture: f/10.0
Exposure 1/160s
Make Canon
Model Canon EOS 5D Mark II
ISO Speed 200
Focal Length 28.0mm
Aperture: f/2.8
Exposure 1/3200s
Make Canon
Model Canon EOS 5D Mark II
ISO Speed 200
Focal Length 28.0mm
Aperture: f/8.0
Exposure 1/250s
Make Canon
Model Canon EOS 5D Mark II
ISO Speed 200
Focal Length 28.0mm
Aperture: f/11.0
Exposure 1/125s
Make Canon
Model Canon EOS 5D Mark II
ISO Speed 200
Focal Length 28.0mm
Aperture: f/2.0
Exposure 1/8000s
Make Canon
Model Canon EOS 5D Mark II
ISO Speed 200
Focal Length 28.0mm
Aperture: f/2.8
Exposure 1/1600s
Make Canon
Model Canon EOS 5D Mark II
ISO Speed 200
Focal Length 28.0mm
Aperture: f/1.8
Exposure 1/2500s
Make Canon
Model Canon EOS 5D Mark II
ISO Speed 200
Focal Length 28.0mm
Aperture: f/10.0
Exposure 1/250s

Verdict

The Canon EF 28mm f/1.8 USM is not a great lens but from a real world perspective it is not all that bad. At large apertures the center is very sharp - and that's probably the priority spot at such settings anyway. However, the border and corner performance is certainly disappointingly low here. The situation isn't all that bad anymore at f/2.8 and the quality is actually decent at medium aperture settings. Lateral CAs are clearly visible but not excessive (less so than on the high pixel-density APS-C cameras). Vignetting is, of course, an issue at f/1.8 but that's rather normal for such a fast wide-angle lens. The light falloff is acceptable from f/2.8 onward. In critical scenes you may spot some barrel distortion but it is not overly disturbing. The quality of the bokeh is certainly a major aspect for such a lens. You can achieve a very pronounced degree of background/foreground blur but don't expect wonders in terms of smoothness - this is a fate that it shares with most lenses in this class though. Bokeh fringing can also be present at large aperture settings.
Really nice aspects of the Canon lens are the high build quality and the silent and fast AF. On paper the EF 28mm f/1.8 USM gives you quite a bit of bang (=large aperture) for your bucks. The faster Canon L primes are insanely expensive in comparison. So if you can't afford one of those the EF 28mm f/1.8 USM may be an viable compromise if speed is what you're looking for. However, if you don't require AF you should probably also consider the Samyang 24mm f/1.4 or 35mm f/1.4.

Optical Quality:    
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