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yauyi | profile | all galleries >> 17-55 F2.8 IS vs. 70-200L F4 IS vs. 100-400L IS >> 17-55 F/2.8 IS @55mm tree view | thumbnails | slideshow

17-55 F/2.8 IS @55mm

Close range test
55mm @f/2.8, f/4.0, f/5.6, f/8.0


Conclusion: wide open @55mm is the weakest link of this lens especially on very close distance subject, stopping down to F/4.0 gives a big booast in sharpness.
F2.8
F2.8		 F4.0
F4.0		 F5.6
F5.6		 F8.0
F8.0
F2.8
F2.8

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