Canon 70-200 MK II

Started Sep 22, 2012 | Discussions thread
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Re: Canon 70-200 MK II
In reply to ok55, Sep 30, 2012

ok55 wrote:

The centre AF point (or points on the 1Dx and 5Diii) on just about every Canon DSLR in use today has ( -ve) significantly greater sensitivity with the f2.8 lens [see Canon DSLR manuals]. The difference is particularly marked when shooting down to progressively lower light levels. At a stage the slow f4 lens will fail to lock on while the f2.8 performs faultlessly.

On paper it sounds nice. However, I have (also) not noticed any difference after getting the F/2.8 IS L II.

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Canon EOS 6D Canon EOS 5DS R Canon EF 35mm f/1.4L USM Canon EF 135mm f/2.0L USM Canon EF 70-200mm f/2.8L IS II USM +8 more
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