Fujifilm XF 55-200mm F3.5-4.8 R LM OIS Review
Sharpness at 70mm
For these sharpness tests the Fujifilm XF 55-200mm F3.5-4.8 R LM OIS lens was attached to a Fujifilm X-Pro1 body, which in turn was mounted on a sturdy tripod. Slight tonal changes are due to slight changes in natural light during the session.
The full frame at 70mm
At 70mm the centre is quite sharp wide open, with peak performance achieved in the f/4-11 range. Diffraction sets in at around f/16, with its effects becoming more visible at f/22.
The edges are somewhat soft at f/3.7-5.6 but sharpen up very nicely at f/8, with f/11 the optimum setting.
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