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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 13. Aperture test of Canon 400mm DO with TC1.4X
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Fig 13.  Aperture test of Canon 400mm DO with TC1.4X
16-AUG-2009

Fig 13. Aperture test of Canon 400mm DO with TC1.4X

The pictures were taken with the lens mounted on a tripod and with cable release at a distance of about 25 feet.
The 400mm DO is the only lens of the three lenses tested that will autofocus with the Canon EF 1.4x II Extender (Teleconverter) when using the Canon 50D camera.


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