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Julio Mulero | all galleries >> others >> Camera Gear >> Canon 400mm f/4 DO, 400mm f/5.6 and 100-400mm f/4.5-5.6 lens review (2009) > Fig 7. Camera test setup
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Fig 7.  Camera test setup
15-AUG-2009

Fig 7. Camera test setup

I rented the 400mm f/5.6 from www.borrowlenses.com
The aperture tests were performed with the lenses mounted on a tripod and with cable release to minimize vibrations. Notice that the legs of the tripod are not extended to minimize vibration. Duplicate pictures were taken and the best of the two (if different) kept.

Canon EOS 20D
1/800s f/8.0 at 17.0mm iso400 full exif

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