November 23, 2017, 06:30:28 AM

Author Topic: Canon EF 100-400 f/4-5.6L IS Update [CR2]  (Read 44654 times)

AlanF

  • Canon EF 400mm f/2.8L IS II
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  • Posts: 3145
Re: Canon EF 100-400 f/4-5.6L IS Update [CR2]
« Reply #90 on: August 10, 2013, 02:31:50 PM »
Very, very fast and accurate. Apart from the modern feedback loop technology employed in the newest lenses, the wider the aperture the more the light that is used for processing and the greater the sensitivity. Remember, your lens focusses at its widest aperture when stopped down.
5D IV, 5DS R, 400mm DO II, 1.4xTC III, 2xTC III, EF 1.8 STM,  EF 24-105, 100-400 II, EF-S 15-85, Sigma 150-600mm C, EOS-M5 15-45, f/2 22, 11-22, Samyang 8mm f/2.8 fisheye: sold 7D II, EOS-M, Powershot G3 X,  Sigma 10-20, EF 300/2.8 II, 70-200/4 IS.

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Re: Canon EF 100-400 f/4-5.6L IS Update [CR2]
« Reply #90 on: August 10, 2013, 02:31:50 PM »