Testing recently acquired EF 200-400 with integrated 1.4X

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Post-season soccer provided an opportunity to test the 200-400 and 1DX III in some high ISO situations during a night game.  I expected this to primarily be a day baseball/softball/soccer lens but with the 1DX III an f4 / f5.6 lens works well at night with the EF 200-400 providing extremely fast focus acquisition and accurate tracking even when light levels drop.

Shot @ 1/640, f5.6, ISO 40,000 (540 mm with the lever activated 1.4X switched in).  RAW to JPG conversion in DPP with its standard NR.

I am really impressed with this lens.

Rodger