1DX autofocus tracking testing

Just took the 1DX out for a spin yesterday to try out the auto focus tracking

First example:
70 shot raw burst on a turn with varing backgrounds
67 out of 70 perfect focus

example #1

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Example #2

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Download all 70 raw files from the following link if you would like a look.(I won't leave this link up for long

Available on request

More examples shortly.............

Leonard

1DX II** 5D2 ** G1X ** 50mm 1.2L ** 14mm2.8L II ** 24-70mm 2.8L II ** 70-200mm 2.8L II ** 100mm macro 2.8 L IS ** Aquatica 5D2 underwater housing with multiple ports

David W.

Fuji XT-1, 18-55mm
Sony A7rIV, , Tamron 28-200mm, Sigma 40mm f1.4 Art FE, Sony 85mm f1.8 FE, Sigma 105mm f1.4 Art FE
Fuji GFX50s, 23mm f4, 32-64mm, 45mm f2.8, 110mm f2, 120mm f4 macro
Canon 24mm TSE-II, 85mm f1.2 L II, 90mm TSE-II Macro, 300mm f2.8 IS I

I have so far found only one scenario that the auto focus tracking had a difficult time.
Over water into the sun
42 shot raw burst
Sample #1 Shot #3

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30 shots in and I lost focus starting with this shot
Sample #2

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Never regained focus for the next 10 shots.

Leonard

1DX II** 5D2 ** G1X ** 50mm 1.2L ** 14mm2.8L II ** 24-70mm 2.8L II ** 70-200mm 2.8L II ** 100mm macro 2.8 L IS ** Aquatica 5D2 underwater housing with multiple ports