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Make
Canon
Model
Canon EOS 5D Mark II
ISO Speed
200
Focal Length
75.0mm
Aperture:
f/8.0
Exposure
1/1250s
Make
Canon
Model
Canon EOS 5D Mark II
ISO Speed
200
Focal Length
54.0mm
Aperture:
f/8.0
Exposure
1/250s
Make
Canon
Model
Canon EOS 5D Mark II
ISO Speed
800
Focal Length
38.0mm
Aperture:
f/8.0
Exposure
1/60s
Make
Canon
Model
Canon EOS 5D Mark II
ISO Speed
400
Focal Length
75.0mm
Aperture:
f/2.8
Exposure
1/200s
Make
Canon
Model
Canon EOS 5D Mark II
ISO Speed
200
Focal Length
57.0mm
Aperture:
f/8.0
Exposure
1/500s
Make
Canon
Model
Canon EOS 5D Mark II
ISO Speed
200
Focal Length
28.0mm
Aperture:
f/8.0
Exposure
1/640s
Make
Canon
Model
Canon EOS 5D Mark II
ISO Speed
200
Focal Length
75.0mm
Aperture:
f/11.0
Exposure
1/800s
Make
Canon
Model
Canon EOS 5D Mark II
ISO Speed
200
Focal Length
48.0mm
Aperture:
f/10.0
Exposure
1/640s
Make
Canon
Model
Canon EOS 5D Mark II
ISO Speed
200
Focal Length
28.0mm
Aperture:
f/10.0
Exposure
1/640s
Make
Canon
Model
Canon EOS 5D Mark II
ISO Speed
200
Focal Length
75.0mm
Aperture:
f/10.0
Exposure
1/400s
Verdict
The Tamron AF 28-75mm f/2.8 SP XR may shine with glory on APS-C DSLRs but it has found its master within the full format scope. The border resolution is generally soft at f/2.8 and you need stop down a bit in order to get a decent image quality across the frame. The lens produces very hefty vignetting figures at f/2.8 but the situation improves rapidly when stopping down a bit. The distortion characteristic is pretty good for a standard zoom lens - same goes for lateral CAs (color shadows). Bokeh fringing (LoCA) is basically a non-issue. The quality of the bokeh (out-of-focus blur) is acceptable but it's not a strength. The build quality of the lens is Ok but nothing to rave about either. Despite its flaws it is still an interesting lens when taking the very affordable price into account.
