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Archive 2012 · 1D Mark III & CFn. III (3)
  
 
CanonShooter88
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p.1 #1 · p.1 #1 · 1D Mark III & CFn. III (3)


Perhaps you can help me out with this one:

I was looking at the following options for C.Fn III: Auto focus/Drive (AI Servo 1st/2nd img priority)

0: AF Priority / Tracking Priority
1: AF Priority / Drive Speed Priority
2: Release / Drive Speed Priority

As a sports shooter, I selected option "0". When would I - or anybody else - use options "1" or "2" Sure, my camera slows its frame rate down a bit when tracking a difficult subject, but to me, AF should be the highest priority all the time (what good is guaranteed 10 fps with OOF images)?




Oct 12, 2012 at 06:48 PM
Anthony Hope
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p.1 #2 · p.1 #2 · 1D Mark III & CFn. III (3)


Hi,
I shoot wildlife and use to use 0, but found it too slow and at times it wouldn't take the photo even when the bird looked to be in focus. I was missing good shots. So I switched it to 1 a while back and couldn't be happier

Cheers

Anthony



Oct 12, 2012 at 08:14 PM
CanonShooter88
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p.1 #3 · p.1 #3 · 1D Mark III & CFn. III (3)


Interesting point Anthony. I just shot a swim meet last night and had that same issue, especially with the two diving sections (the fps rate felt like it was around 6). I'll try option "1" tonight with volleyball


Oct 12, 2012 at 08:34 PM
Anthony Hope
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p.1 #4 · p.1 #4 · 1D Mark III & CFn. III (3)


Hi,
Yes, the camera can be very slow when using 0. I think you'll find 1 to be perfect and good luck with the volleyball.

Cheers

Anthony




Oct 12, 2012 at 09:04 PM
Mike Tuomey
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p.1 #5 · p.1 #5 · 1D Mark III & CFn. III (3)


Default ("0") is what I use for sports, don't shoot BIF. Canon recommends it, so does Les Zigurski at Wildlife Images.

My logic is simple. Drive speed doesn't matter if I don't have focus locked down. Works for me.



Oct 12, 2012 at 09:16 PM
Andrew J
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p.1 #6 · p.1 #6 · 1D Mark III & CFn. III (3)


Using the fast slot (SD) set to "1" should be fine. The logic is if the camera didn't shoot, the moment is lost forever. At least if it does shoot it might be good. I lean towards "1" since the only reason I'm pulling the trigger is I believe it is tracking. Otherwise I stop and re-establish.


Oct 12, 2012 at 11:15 PM
CanonShooter88
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p.1 #7 · p.1 #7 · 1D Mark III & CFn. III (3)


Hi Andrew - what do you mean by "using the fast slot (SD)"?


Oct 13, 2012 at 05:48 PM
Kenneth Farver
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p.1 #8 · p.1 #8 · 1D Mark III & CFn. III (3)


here is a guide for birds (which I know you didn't ask for)
http://www.wildlifeimagesbyles.net/Technique/1DIV_focus_guide/1div_focus_guide.html

I'm looking for the Canon guides I've downloaded. Pretty sure they are in the CPS portion of their website.



Oct 13, 2012 at 06:00 PM
Kenneth Farver
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p.1 #9 · p.1 #9 · 1D Mark III & CFn. III (3)


send me an email at "kfaver@mc.net" and I'll send you Canon's PDF all about focus for the 1D2 & 1D3


Oct 13, 2012 at 06:05 PM
Kenneth Farver
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p.1 #10 · p.1 #10 · 1D Mark III & CFn. III (3)


founds a link for it
http://ebookbrowse.com/canon-eos-1d-mark-iii-1ds-mark-iii-optimizing-af-settings-pdf-d43037353



Oct 13, 2012 at 06:07 PM
 

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Andrew J
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p.1 #11 · p.1 #11 · 1D Mark III & CFn. III (3)


The SD slot supports 50% faster write speeds which makes a huge difference. The CF slot only supports 9MB/s write. Use an Extreme 30MB/s SD and you get 15MB/s write speeds.


Oct 13, 2012 at 06:07 PM
Kenneth Farver
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p.1 #12 · p.1 #12 · 1D Mark III & CFn. III (3)


Andrew, does the 1D4 CF slot support faster CF cards than SD cards? thanks, Ken.


Oct 13, 2012 at 06:21 PM
Andrew J
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p.1 #13 · p.1 #13 · 1D Mark III & CFn. III (3)


Yes, thanks to UDMA.


Oct 13, 2012 at 06:34 PM
dontbsme_2
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p.1 #14 · p.1 #14 · 1D Mark III & CFn. III (3)


50% WRITE SPEEDS WITH SD SLOT ON A Mark III??



John



Oct 14, 2012 at 07:44 AM
CanonShooter88
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p.1 #15 · p.1 #15 · 1D Mark III & CFn. III (3)


Kenneth & Andrew - thank you both!!

Andrew - where did you learn about this? So all these new 600X and higher CF cards are useless for the 1D Mark III? What is the max speed for SD?

*I almost bought some new CF cards, but now I'll wait until I am properly informed



Oct 15, 2012 at 03:59 AM
Pixel Perfect
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p.1 #16 · p.1 #16 · 1D Mark III & CFn. III (3)


CanonShooter88 wrote:
Kenneth & Andrew - thank you both!!

Andrew - where did you learn about this? So all these new 600X and higher CF cards are useless for the 1D Mark III? What is the max speed for SD?

*I almost bought some new CF cards, but now I'll wait until I am properly informed


Alas the only real weakness of the 1D III IMO is CF card write speed. I tended to use SD card as I did on my 1D II as it seemed to take ages to clear buffer after a long burst. 1D III cannot take advantage of UDMA cards, but they will allow faster downloads on card reader at least.



Oct 15, 2012 at 05:52 AM
Andrew J
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p.1 #17 · p.1 #17 · 1D Mark III & CFn. III (3)


http://www.robgalbraith.com/bins/multi_page.asp?cid=6007


Oct 15, 2012 at 09:10 AM
CanonShooter88
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p.1 #18 · p.1 #18 · 1D Mark III & CFn. III (3)


Thanks for that link Andrew!


Oct 19, 2012 at 03:45 PM
CanonShooter88
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p.1 #19 · p.1 #19 · 1D Mark III & CFn. III (3)


I've now also read that the 1D Mark III has its SD(HC) write limit of 14 MB/sec., lame but still faster than the CF write limit of 10/11 MB/sec.

Can anyone verify this?



Oct 19, 2012 at 03:46 PM
DizzelDel
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p.1 #20 · p.1 #20 · 1D Mark III & CFn. III (3)


Kenneth Farver wrote:
founds a link for it
http://ebookbrowse.com/canon-eos-1d-mark-iii-1ds-mark-iii-optimizing-af-settings-pdf-d43037353


thx!



Oct 19, 2012 at 03:50 PM





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