70D focus tracking for BIF

Started 9 months ago | Discussions thread
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Ceki Gabay
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70D focus tracking for BIF
9 months ago

Hi All,

I have purchased 70D very recently. I also own 1Ds MKIII and 500 F4 IS II and several other lenses as well. I am very pleased with the results of general use and still birds... However, I have difficulty in tracking BIF. First images are ok but continuing images are completely out of focus.

My usual settings are...

AI Servo

Single center AF point or Center group of AF points

Av or M mode usually M mode to secure 1/1000 or faster...

ISO Auto limited to 1600...

Custom Settings are...

Focus Tracking -1 or -2

Accel/decel +1 or +2

First Image Priority (tried all combinations)

Second Image Priority (tried all combinations)

On 500 F4, IS mode 1 or off...

Shooting is in High continous

image Q is Raw...

All other settings are default...

Still could not manage continous focus tracking...

Old habit I usually focusing with AF-On button and use shutter seperately...

Do I miss something?

Any of your answers will be appreciated...

Thanks in advance...

Canon EOS 70D Canon EOS-1Ds
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