Tamron AF 18-270mm F/3.5-6.3 Di II VC PZD Review
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Sharpness Cont... 3
Sharpness at 100mm
The sharpness tests for this review were carried out using a real-world subject rather than a test chart. The Tamron AF 18-2100mm F/3.5-6.3 Di II VC PZD lens was attached to a Canon EOS 60D for this test and mounted on a Manfrotto tripod. The lens was set to manual focus to ensure constant focusing throughout. A short two second self timer was used to reduce vibration as well as the mirror lock up mode. Photographs were taken indoors in ambient light so any changes in colour or exposure are due to that.
The full frame at 100mm
At 100mm the widest aperture setting is f/5.6 which is supposed to be one of the sharpest settings. It's not that bad actually but we found the sharpest setting to be f/11. Chromatic aberration is still present at the far reaches of the frame.
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