Tamron 100-400mm F/4.5-6.3 Di VC USD Review
January 12, 2018
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Mark Goldstein
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Sharpness at 200mm
The sharpness tests for this review were carried out using a real-world subject rather than a test chart. The Tamron 100-400mm F/4.5-6.3 Di VC USD lens was attached to a Canon 5DS R body, which in turn was mounted on a sturdy tripod. Self-timer mode was activated. Slight tonal changes are due to slight changes in natural light during the session.
The full frame at 200mm
Both center and edge sharpness are wide-open at f/5.6 and excellent from f/8 through to f/16. At f/22 sharpness is beginning to drop off due to diffraction.
Aperture | Centre Crop | Edge Crop |
f/5.6 | ||
f/8 | ||
f/11 | ||
f/16 | ||
f/22 | ||
f/32 | ||
f/40 |