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SportsShooter.com: Member Message Board

Week old 1D Mark IV AF issue?
Kay in t Veen, Photographer, Photo Editor
Rotterdam | ZH | Netherlands | Posted: 3:49 AM on 02.28.12
->> Hi all,

Last week i bought a Mark IV since i cannot wait for the 1dX which seems to be delayed.
This weekend shooted with joy and was perplex by the superb quality of the image and performance of the AF.
Unfortunately i photographer yesterday evening, but got huge trouble (see attachment as example) Each burst of 10 i get 5 or more photos out of focus.
Tried all kinds of settings.

Is this is body malfunction, or setting issue?
Can't imagen the last.

See it here:
http://cl.ly/2b0k0G0G073b3g2X1B14
 This post is:  Informative (0) | Funny (0) | Huh? (0) | Off Topic (0) | Inappropriate (0) |   Definitions

Peter Buehner, Photographer
Orono | ME | USA | Posted: 5:53 AM on 02.28.12
->> Shifting that far out of focus seems odd to me. Mine will go out of focus for one, maybe two images at times but then pop right back on.
What are your settings? Are you sure that your lens is in fine working order? Have you shot with other lenses and had the same problem?
Also, the images are pretty small but it appears to be foggy out? Did you add contrast in post? A really foggy, low contrast day will make AF work harder.
I am sure others will chime in but I would check your settings and make sure that it isn't a lens issue before sending it in.
Was this used or brand new Mark IV?
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Kay in t Veen, Photographer, Photo Editor
Rotterdam | ZH | Netherlands | Posted: 6:02 AM on 02.28.12
->> Tried both 400 2.8 mark II (non -is)
and 70-200 2.8 IS II.

Yes it was a bit foggy, these are raw jpegs fro camera (just straigtent and merged)

After that i switched back to mark III and that one did not had these issues.
It seemed odd to me as well.
the Mark II is some time slightly off, and this could occur of course. but this is just strange.


c.FnIII is set to
1 0
2 - default
3 0
4 0 (also tried 1)
5 0
6 0
7 2
8 1
9 1
10 0
11 1
12 0
13 0
14 1
15 1
16 1
17 0
18 - default
19 - default

another example:
http://cl.ly/292W272u1O180U2Q421M
and:
http://cl.ly/01340q0a342W0Y1S273b

AI Servo
Manual exposure
What else would you like to know ;)
Center Af point.
 This post is:  Informative (0) | Funny (0) | Huh? (0) | Off Topic (0) | Inappropriate (0) |   Definitions

Tim Lester, Photographer
Edwards | IL | USA | Posted: 7:40 AM on 02.28.12
->> Load the current firmware and see if that fixes your problem.
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Rick Osentoski, Photographer
Martin | OH | United States | Posted: 9:04 AM on 02.28.12
->> Try to using

c.FnIII
2 - 2 or 1
4 - 1
8 - 0
 This post is:  Informative (0) | Funny (1) | Huh? (0) | Off Topic (0) | Inappropriate (0) |   Definitions

Sam Morris, Photographer
Henderson (Las Vegas) | NV | USA | Posted: 10:06 AM on 02.28.12
->> I had a somewhat similar problem. Julie Jacobson of the AP suggested I drop the frame rate down and that has seemed to help. I went from 10 fps to 8 fps.
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Thomas Boyd, Photographer
Portland | OR | USA | Posted: 11:15 AM on 02.28.12
->> My Mark IV just developed this exact problem. I'm sending it to CPS today. I'll report back when I find something out.

The frame rate seems to be a factor.

It doesn't do it with a single shot, but only with a burst.
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Kay in t Veen, Photographer, Photo Editor
Rotterdam | ZH | Netherlands | Posted: 11:37 AM on 02.28.12
->> Just got back from CPS. gave me another Mark IV so curious how that one will perform.

I walked trough all settings with the CPS employee and seem to be a odd thing.
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Gregory Greene, Photographer
Durham | NH | USA | Posted: 2:49 PM on 02.28.12
->> There were a lot of OOF shots in that sequence. Hopefully the other body does better. I've done a couple of hockey games with fog on the ice shooting through the glass and have had less misses with my 1D4.
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Robert Hanashiro, Photographer
Los Angeles | CA | | Posted: 7:18 PM on 02.28.12
->> Not to beat a dead horse, the definitive evaluation of Canon AF performance:
http://www.robgalbraith.com/bins/multi_page.asp?cid=7-10048-10484
 This post is:  Informative (0) | Funny (0) | Huh? (3) | Off Topic (0) | Inappropriate (0) |   Definitions

Andrew Carpenean, Photographer
Laramie | WY | USA | Posted: 8:36 PM on 02.28.12
->> Did you buy it new or used? If new I would try to send it back to where you bought it from. And let them send it back to Canon to refurbish. It sounds as though you're trying to troubleshoot everything.

In daylight I haven't had any focusing issues with our Mark IV. In low light every Canon camera I've shot with film or digital has had AF issues no matter what lens is mounted on it.
 This post is:  Informative (0) | Funny (0) | Huh? (1) | Off Topic (0) | Inappropriate (0) |   Definitions

Scott A. Schneider, Photographer
Minneapolis | MN | USA | Posted: 10:12 PM on 02.28.12
->> Re Sam's comment: On Canon's flagship camera you need to lower the frame rate so it focuses? Pathetic. (I'm a Canon user so don't light me up.)
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David Harpe, Photographer
Denver | CO | USA | Posted: 10:36 PM on 02.28.12
->> Didn't you look at the tee shirt that came with the camera?
http://i43.tinypic.com/6f09k7.jpg
 This post is:  Informative (0) | Funny (2) | Huh? (0) | Off Topic (0) | Inappropriate (0) |   Definitions

Kay in t Veen, Photographer, Photo Editor
Rotterdam | ZH | Netherlands | Posted: 6:59 AM on 02.29.12
->> @andrew just want to be sure its not a setting issue before sending it back. been shooting in a very bad lit ice hall shooting ISO 4000 2.8 1/400 and no focus issues at all. Definitely a camera error... will be waiting for CPS to hear back. in the mean time i got a loan body..

Also been holding the 1D X at the CPS office, damn what a piece of equipment, a lot more high-end feel than the current 1d series... still curious how it ens up in real live sports action..
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Dennis Wierzbicki, Photographer
Plainfield | IL | USA | Posted: 10:27 AM on 02.29.12
->> FWIW, I've found the camera performs best in C Fn III 4 option 1, "Continuous AF track priority"..this means the shutter will not fire unless the camera has achieved AF Versus it firing regardless of whether AF has locked on or not. Very occasionally this means the shutter will not fire immediately, but I have found that once the MkIV grabs AF on a subject, it is very, very solid, so having it hesitate (it does so very, very infrequently if you're employing appropriate AF tracking practices).

Bert, with all due respect, that article of Galbraith's is more than 2 years old, and based on out-of-date firmware for the MkIV, so is it really accurate/fair to refer to it, especially as the "definitive evaluation of Canon AF performance"?
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Dennis Wierzbicki, Photographer
Plainfield | IL | USA | Posted: 10:28 AM on 02.29.12
->> Should have said "having it hesitate (it does so very, very infrequently if you're employing appropriate AF tracking practices) is a small price to pay for otherwise solid AF performance."
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Kevin Krows, Photographer
Forsyth | IL | USA | Posted: 10:53 AM on 02.29.12
->> Have to agree with Dennis. Purchased MKIV's two months ago and very happy.

Also have two late production Mark III's and I'm happy with those as well...of course I went through 4 that didn't work before CPS sent me two that worked correctly.
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Gregory Greene, Photographer
Durham | NH | USA | Posted: 7:21 PM on 02.29.12
->> I still think Galbraith's main point is valid. From my experience tracking subjects coming right at you the 1D4 is very good even in low light. For other subject movement it's not quite as good. I had a chance to use a Nikon D3 and that was definitely better at AF on more random type movement.

Hopefully the 1DX will improve on this. It better for $7000. :)
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Kay in t Veen, Photographer, Photo Editor
Rotterdam | ZH | Netherlands | Posted: 6:32 AM on 03.01.12
->> Gregory,

From what i heard of many Canon->Nikon switchers that they are mainly happy with there Nikon for iso performance. compared to the 1D Mark IV they think the IV is way quicker and more accurate than the nikons.

Not sure what to believe since im a canon shooter for al my life.
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Kay in t Veen, Photographer, Photo Editor
Rotterdam | ZH | Netherlands | Posted: 3:39 AM on 04.12.12
->> Ok.. a little update. Still very worried about my AF.
Got my body back fo a few weeks now. been shooting both day and evening matches and still not that happy.

The whole AF unit, shutter unit and some electrical stuff has been replaced, after that i brought all my lenses and bodies to canon for clean check and calibrate.

But still i feel that i trust my 1d mark III's more when AF concerned than my mark IV. I think in a general football (or for you usa's soccer) match like 40%+ is out of focus in just normal bursts of 3 to 4 images.

Shooting of course ai servo, centre af, af expansion to the sides.
still using same settings as before.

Send it back again?
I'm thinking of doing a simple run test with somebody to really test it out and send it to canon, or is this just normal canon behavior?
Thanks for your support.
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Steven Mullensky, Photographer, Photo Editor
Port Townsend | WA. | USA | Posted: 10:48 AM on 04.12.12
->> Kay:

I sent my MkIV 3 times, with lenses, before I was reasonably satisfied with the results. Every time there was some electrical adjustment made. Even on the same lenses.

I took someone's advice (on this forum) and lowered the frame rate to 8 fps. Funny, that's the same as my MkIIn, which works very well, indeed.

I shot a gymnastics championship a few weeks ago and I was very pleased with the results.

My thinking is that the tsunami disrupted production to an extent that quality control suffered in an effort to ramp up to meet demand.
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Preston Mack, Photographer
Orlando | FL | | Posted: 11:28 AM on 04.12.12
->> I switched to Nikon after 10+ years of Canon.
My Canon 1D Mark 3 was never right. They could never fix it.
My Canon zooms were always a little soft.

Switching to Nikon was the best thing to do, and I have never regretted it.
The AF is superb. Zooms are sharp.
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Kay in t Veen, Photographer, Photo Editor
Rotterdam | ZH | Netherlands | Posted: 5:44 PM on 04.12.12
->> I think I will do a extensive test with a test person running sideways, straight and so on. Will definitely try the 8fps

Strange thing is that. Love my mark iii's (only at day).
And would never switch to Nikon don't like the colors
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Michael Fischer, Photographer
Spencer | Ia | USA | Posted: 10:26 AM on 04.14.12
->> Kay, never is a long time. Colors are adjustable.

As for the Canon focusing faster - what good is that if the images aren't sharp?

Hopefully you'll resolve the issue. I tend to stay away from "never" because I've learned that usually bites me in the butt.
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Kay in t Veen, Photographer, Photo Editor
Rotterdam | ZH | Netherlands | Posted: 6:43 AM on 04.16.12
->> haha Michael, that's correct.

Colin e-mailed me with some tips, since i switched off the surrounding (left right) af points it helped a lot. but still around 15 - 20% of alle images are not sharp.

Plus 80% unsharp when focussing with AI Servo still objects (coaches, players on the bench, waiting for free kick and so on)
When switching to One Shot its TACK Sharp. anybody got tips on that?
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Thread Title: Week old 1D Mark IV AF issue?
Thread Started By: Kay in t Veen
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