Reviews and Problems with Canon EF 24mm f/1.4L USM
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Canon EF 24mm f/1.4L USM Lens Review
SLR Lens and Camera Reviews
31 May 2009
Summary: Canon EF 24mm f/1.4L USM is a solid wide angle prime that excels once stopped down to f/2.8 and beyond. The weakness in border performance at wide aperture levels should no longer surprise anyone - there are very few fast wide angle lenses that can showcase consistently high performance across the entire aperture range. Vignetting on full-frame body as well as somewhat high level of CA at wide apertures are things to be aware as well.
Conclusion: The EF 24mm f/1.4L lens offers generally excellent center of field lens sharpness from f/2 on and very acceptable performance at f/1.4 in image center if you need it. Edge performance is probably acceptable for most applications, especially if you can stop the lens down to f/8. This lens significantly outperforms the consumer EF 24mm f/2.8, but at a significantly higher price. The EF 24mm f/1.4L lens is an excellent lens.