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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 4. Canon 400mm DO handheld test
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Fig 4.  Canon 400mm DO handheld test
16-AUG-2009

Fig 4. Canon 400mm DO handheld test

I found out that handholding the lens at a shutter speed at 1/250s or less produced very blurry images. I did not use image stabilization for this test. By changing the ISO I could change the shutter speed w/o changing the lens aperture(range: ISO320-100). The picture labeled "tripod" was taken at ISO800 with a shutter speed of 1/1500s and with a cable release. The picture taken at 1/250s was taken at ISO160 and the picture taken at 1/180s was taken at ISO100.


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