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Archive 2009 · 1dmkIV AI servo UPDATE - GIF sequence included now

  
 
pcho
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p.1 #1 · p.1 #1 · 1dmkIV AI servo UPDATE - GIF sequence included now


Once again many thanks must go to Matthew Sauk for hosting the pictures. I have now included the whole 44 pictures for download plus a gif sequence of 44 pictures

Hi all,

Went to do some Ai Servo birds in flight shots this morning but it was inconclusive as there were not many Birds flying my way. So I force my son perform the running test .

I shot using 300mm F2.8 IS, at f2.8 using tripod on a wimberley head II and shooting in S Raw. In S Raw, I was able to get continuos 44 shots without buffer filling up. I selected centre focus point and left all settings in standard mode.

Of the 44 shots 1 as blur and the 2nd shot was only slightly blur and that was when my son slowed down to watch cross traffic of cars coming along. I repeated the test and I basically got the same result. Each time he slowed slightly to look at traffic, thats where I got the 1 to 2 slightly blur shots. As you can see the test was carried in very strong Australian sun as well. Another thing was my son was not running in a straight line as well. He was moving sort of from left of screen towards the right of screen. For that reason I think the camera did a fantastic job in returning such a high percentage of in focus shots.

I am very impress with the result as the pics were tack sharp.

Attached is one of the shots (worried of bandwidth) otherwise I would post the entire 44 shots.

http://www.thepatienteye.com/albums/webforum/running-0830.jpg

Many thanks to Matthew Sauk, as he offered again to host this Gif sequence of 44 shots.

Click on this to view 44 picture sequense.

For this who are interested in the individual pictures here they are 44 individual pictures for download. Thanks to Matthew Sauk for hosting it

Please note I am do not proclaim to be an expert with this kind of testing, I am just posting the results using the new Ai Servo test to share with those people who unfortunately have not receive their cameras yet or want to know how this new camera would perform. I am personally very impressed with the results that I obtained from this test. What I found that the sharp images were very sharp as well, may be it is the 16mp sensor or maybe it is from the much improved predictive AI Servo. Be the judge yourself when you download the pictures.

Image 1
Image 2
Image 3
Image 4
Image 5
Image 6
Image 7
Image 8
Image 9
Image 10
Image 11
Image 12
Image 13
Image 14
Image 15
Image 16
Image 17
Image 18
Image 19
Image 20
Image 21, this is the blur image
Image 22, very slightly blur
Image 23
Image 24
Image 25
Image 26
Image 27
Image 28
Image 29
Image 30
Image 31
Image 32
Image 33
Image 34
Image 35
Image 36
Image 37
Image 38
Image 39
Image 40
Image 41
Image 42
Image 43
Image 44

I have also thrown in this random Egret catching a lizard shot taken this morning with 600mm F4 IS.

http://www.thepatienteye.com/albums/webforum/1dmkIV-egret.jpg

Conclusion
It is certainly a exceptional camera, with great High ISO, excellent focusing, excellent HD video, excellent LCD, Auto ISO even in manual mode and heaps additional new features. What more can I say.
Considering this beautiful baby is not much more than what I paid for my D60 some 7 years ago. I am just over the moon. With a camera like this, I just cannot complaint.

Perry

Edited on Dec 29, 2009 at 04:41 PM · View previous versions



Dec 26, 2009 at 12:06 AM
Photon
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p.1 #2 · p.1 #2 · 1dmkIV AI servo UPDATE - GIF sequence included now


Good catch in the egret shot (for you and the bird)!
Sounds very promising for the 1Dmk4 AF.



Dec 26, 2009 at 01:08 AM
John Patrick
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p.1 #3 · p.1 #3 · 1dmkIV AI servo UPDATE - GIF sequence included now


Can you post one of the full-frame AI servo shots? Even better, use the Canon software to overlay the focus points? I'd like to see how much contrast was where the focus point was.

John



Dec 26, 2009 at 01:19 AM
Fidelity
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p.1 #4 · p.1 #4 · 1dmkIV AI servo UPDATE - GIF sequence included now


Thanks for the update, Perry! It's hard to believe that shot is just an sRAW. Sounds like the camera is predicting constant speed when those two frames got blurred. I'm wondering if tweaking with the sensitivity would dial that in? But, only 2 frames out of 45 not being perfect is some kind of miracle. Looks like things are shaping up well for the 1D Mark IV (ISO, IQ, and now AF). If the sRAWs are that good, I bet the mRAWs are great.


Dec 26, 2009 at 02:00 AM
pcho
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p.1 #5 · p.1 #5 · 1dmkIV AI servo UPDATE - GIF sequence included now


Fidelity wrote:
Thanks for the update, Perry! It's hard to believe that shot is just an sRAW. Sounds like the camera is predicting constant speed when those two frames got blurred. I'm wondering if tweaking with the sensitivity would dial that in? But, only 2 frames out of 45 not being perfect is some kind of miracle. Looks like things are shaping up well for the 1D Mark IV (ISO, IQ, and now AF). If the sRAWs are that good, I bet the mRAWs are great.


Hi Fedelity,
I repeated the test of the running and the 3rd test I got about 5-7 blur shots and the 4th test I got about 3. But the sharp shots are very very sharp

I also tried the auto iso and works very well. I love this camera. I really need to do more ai servo test. I am not a BIF expert and I better let other experts perform the test. For my needs this camera is nothing short of awesome

Perry



Dec 26, 2009 at 02:59 AM
Lars Johnsson
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p.1 #6 · p.1 #6 · 1dmkIV AI servo UPDATE - GIF sequence included now


Thanks for the update and info Perry. I'm getting mine the first week after the New Year


Dec 26, 2009 at 03:42 AM
Danpbphoto
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p.1 #7 · p.1 #7 · 1dmkIV AI servo UPDATE - GIF sequence included now


Thanks for the Af/AI Servo comments Perry!
Dan



Dec 26, 2009 at 09:52 AM
PatrickDixon10
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p.1 #8 · p.1 #8 · 1dmkIV AI servo UPDATE - GIF sequence included now


Good show Perry and many thanks also! My Irish eyes will be a smilin' next week!!
Patrick



Dec 26, 2009 at 09:57 AM
rscheffler
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p.1 #9 · p.1 #9 · 1dmkIV AI servo UPDATE - GIF sequence included now


If you set the camera to mRAW, how many frames do you get before hitting the buffer? As I asked in your other IV thread, I'd also be interested in your opinion on how the camera handles clearing the buffer.

Thanks, Ron



Dec 26, 2009 at 11:32 AM
rd4tile
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p.1 #10 · p.1 #10 · 1dmkIV AI servo UPDATE - GIF sequence included now


Why did he slow down for traffic? Didn't you impress upon him how important these tests are?

If you get a chance think BIF against a cluttered BG, that's where the 1D3 would give me fits occasionally.

Thanks for taking the time to post all this great info on the new cam!



Dec 26, 2009 at 12:05 PM
MDHO
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p.1 #11 · p.1 #11 · 1dmkIV AI servo UPDATE - GIF sequence included now


Thanks for the post Perry. My MK4 is coming the first week of January. I have high hopes for the AI Servo AF mechanism. No reason to doubt it unless proven otherwise. Loved my MK3's performance but sold it for the MK4.

http://MichaelDanielHo.com



Dec 26, 2009 at 12:07 PM
bf5hpjg
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p.1 #12 · p.1 #12 · 1dmkIV AI servo UPDATE - GIF sequence included now


Perry,
Looks like it is going to be a fine addition to Canon's arsenal! The AF in moving subjects looks to be awesome!!
Thanks for all your hard work!! It is appreciated by many of us!!
Angelo



Dec 26, 2009 at 12:45 PM
Rich Swanner
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p.1 #13 · p.1 #13 · 1dmkIV AI servo UPDATE - GIF sequence included now


The egret looks out of focus?


Dec 26, 2009 at 02:32 PM
h_2_o
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p.1 #14 · p.1 #14 · 1dmkIV AI servo UPDATE - GIF sequence included now


Good to see we are getting comparison shots finally. Now for my questions compared to when i had troubles with my mk iii. I really didn't have troubles with the type of shots you did there, but if you get an opportunity i'm curious as to tracking inside a darker gym type environment with both lateral and vertical in frame tracking. when i had stuff coming directly at me or going directly away i never really had any problems.

thanks for the test shots and any help/comparisons you might be able to give us.



Dec 26, 2009 at 04:14 PM
pcho
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p.1 #15 · p.1 #15 · 1dmkIV AI servo UPDATE - GIF sequence included now


rscheffler wrote:
If you set the camera to mRAW, how many frames do you get before hitting the buffer? As I asked in your other IV thread, I'd also be interested in your opinion on how the camera handles clearing the buffer.

Thanks, Ron



Hi Ron,

I saw your post and I did test it but overlooked posting it. Well in mRAW I got to about 40/41 images before the buffer started to fill up the it continues to shoot more images at a slower rate. In sRaw when buffer fills up it also continues to shoot but at a slightly faster rate.

and in Normal raw the clearing of buffer is the slowest.

Remember that I was only using Sandisk Extreme 4, I presume using the Sandisk Pro series it would be faster again as those cards are twice the speed of my extreme 4.

Cheers

Perry



Dec 26, 2009 at 04:42 PM
pcho
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p.1 #16 · p.1 #16 · 1dmkIV AI servo UPDATE - GIF sequence included now


Rich Swanner wrote:
The egret looks out of focus?



No, it is tack sharp. I use low resolution files as the hits on my other post were using up my bandwidth.

Perry



Dec 26, 2009 at 04:43 PM
pcho
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p.1 #17 · p.1 #17 · 1dmkIV AI servo UPDATE - GIF sequence included now


John Patrick wrote:
Can you post one of the full-frame AI servo shots? Even better, use the Canon software to overlay the focus points? I'd like to see how much contrast was where the focus point was.

John



John I don't use the canon software and I have never loaded their software. So I wont be able to do that.

Perry



Dec 26, 2009 at 04:44 PM
h_2_o
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p.1 #18 · p.1 #18 · 1dmkIV AI servo UPDATE - GIF sequence included now


pcho wrote:
John I don't use the canon software and I have never loaded their software. So I wont be able to do that.

Perry



do you have breeze browser pro? if so that should give you the info as well.



Dec 26, 2009 at 05:13 PM
Paul_R_Canada
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p.1 #19 · p.1 #19 · 1dmkIV AI servo UPDATE - GIF sequence included now


Thanks Perry, for the tests, and any Af testing you'd like to share it looks like you have a very eager group here (me included!)

I understand your bandwidth issue, posting the numbers and info would be terrific and a few low res shots just fine, I'll trust your info completely.

I myself would love to see various AF tests, whatever you'd like to test and share.

Happy New Year and enjoy your new baby!

Paul...



Dec 26, 2009 at 06:35 PM
PetKal
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p.1 #20 · p.1 #20 · 1dmkIV AI servo UPDATE - GIF sequence included now


pcho wrote:
Of the 45 shots 1 to 2 shot was slightly blur and that was when my son slowed down to watch cross traffic of cars coming along. I repeated the test and I basically got the same result. Each time he slowed slightly to look at traffic, thats where I got the 1 to 2 slightly blur shots. As you can see the test was carried in very strong Australian sun as well.

I am very impress with the result as the pics were tack sharp.




That sounds very good, Perry. I hope the camera will continue to perform well for you.
Incidentally, based on those few initial tests, have you been able to notice any difference between your MkIII and MkIV AF Servo ?



Dec 26, 2009 at 08:33 PM
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