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Archive 2009 · Difference: AI Servo and AI Focus

  
 
RichardLavigne
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p.1 #1 · Difference: AI Servo and AI Focus


Can someone please explain the differences between the two modes? I understand that AI Servo is used to adjust focus on items that are moving towards or away from you and I've used it with some success in the past, but I've never found anyone that could really explain to me AI focus and its differences from AI Servo. any help?


Jan 04, 2009 at 03:35 PM
Russ Isabella
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p.1 #2 · Difference: AI Servo and AI Focus


My understanding is that AI Focus, which is only available on the non-professional Canon bodies, operates as one-shot when the subject is static, and shifts into AI Servo if the subject moves.



Jan 04, 2009 at 04:01 PM
dcains
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p.1 #3 · Difference: AI Servo and AI Focus


Yup, that's it, and ideally it should work perfectly. But, in my experience, manual selection of AF mode is a much safer bet.


Jan 04, 2009 at 04:04 PM
RichardLavigne
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p.1 #4 · Difference: AI Servo and AI Focus


So...AI Focus allows the camera to switch back and forth between One-shot and Servo, but manually switching between One shot and Servo on an as needed basis is recommended because Focus doesn't work so good... hmm...ok If that's true than I'll continue to use as I have.


Jan 04, 2009 at 04:30 PM
RDKirk
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p.1 #5 · Difference: AI Servo and AI Focus


RichardLavigne wrote:
So...AI Focus allows the camera to switch back and forth between One-shot and Servo, but manually switching between One shot and Servo on an as needed basis is recommended because Focus doesn't work so good... hmm...ok If that's true than I'll continue to use as I have.


Too often, it thinks a focus and recompose is subject movement.

If it were reliable, they'd put it on the professional cameras.



Jan 04, 2009 at 05:28 PM
Pixel Perfect
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p.1 #6 · Difference: AI Servo and AI Focus


Yes AI focus would be wonderful if it worked properly. I'd love to see Canon put some work into it and offer it on 1 series.


Jan 04, 2009 at 07:58 PM
RichardLavigne
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p.1 #7 · Difference: AI Servo and AI Focus


Awesome... well, I hope to upgrading to a 1 series in the near future, so it will be a moot point soon enough. Thank you very much guys..


Jan 04, 2009 at 08:23 PM





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