About DPR's camera review (not specific to 5D3 and D800)

Started May 23, 2012 | Discussions thread
Hans Kruse
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Re: Crash test sled...
In reply to ultimitsu, May 25, 2012

ultimitsu wrote:

But did you know the speed of the flying birds relative to you? the way i would imagine the rest run is to have the train coming towards to the camera at speed X, camera takes a series of shots, then take another series at X + 10kph, then another series at X + 20kph. and review would state how many were sharp out a series in each speed.

It seems you missed my point Things moving at a fairly constand speed it not a real challenge and as mentioned the old 5D could handle these situaitons. The real test is more irregular movements.

I realise readers wont really have a direct understanding of how this translate into real world performance, but it would become a useful comparison measure for Camera A against camera B.

I agree that a mechanical setup that could be easily repeated for different cameras would be useful. If the setup mimicked real situations, or course. I would expect camera engineers at Canon and Nikon etc. have such setups to systematically test the AF systems under development.

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