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Thread started 14 Apr 2011 (Thursday) 18:29
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7d vs 1d III first day

 
Camera ­ Nerd
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Apr 14, 2011 18:29 |  #1

I just received a new to me 1d mark III after not being very happy with the 7d. I can definitively say that the 1d mark III is more flexible and has more consistent focusing. One major thing that really frustrated me on the 7d was when I put it on af priority mode (custom function) the fps would drop dramatically from 8 to as low as 3fps in many cases. On the 1d mark III it will maybe jump down from 10 to 8-9. This can be very crucial in getting the shot or not getting it. Also I have less out of focus shots with the 1d mark III imho today from shooting a tennis tournament and a baseball game.

So long 7d :)


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MT ­ Stringer
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Apr 14, 2011 18:34 |  #2

I have both. Love them.


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TeamSpeed
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Apr 14, 2011 18:47 |  #3

Which AF mode on the 7D were you using up to this point? I have used the zone expansion mode, or whatever it is called, to track swallows in flight. I have also captured dragonflies in flight.


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Camera ­ Nerd
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Apr 14, 2011 18:49 |  #4

TeamSpeed wrote in post #12223645 (external link)
Which AF mode on the 7D were you using up to this point? I have used the zone expansion mode, or whatever it is called, to track swallows in flight. I have also captured dragonflies in flight.

I used the 4 pt expansion mode, and on the 1d mark III i used the custom function where it uses the pts to the left and the right.


canon 7d, canon 5d classic, 24-70 2.8 L, 70-200 2.8 (non-is) L, .
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Apr 14, 2011 18:54 |  #5

I never really used the expansion mode, I either used the spot AF mode (box in a box), or the zone AF, where you set the initial AF point, and it will then track action from that point onwards. I supposed the expansion point mode should have worked well enough too though. Definitely the FPS thing is an issue on the 7D, but there is a trick to keep the 8fps, by locking exposure, I believe.

Enjoy the 1D3, it is a great camera, and it may actually do better in really low light AF over the 1D4 in AI Servo. :(

Good read on the 7D focusing modes though: http://www.learn.usa.c​anon.com …icle.shtml?cate​goryId=121 (external link)


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backblast
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Apr 14, 2011 20:01 |  #6

You can't go wrong with the 1DIII.

Enjoy!


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jase1125
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Apr 14, 2011 20:42 |  #7

Same experience and I used all of the 7d modes. I had a high keeper rate with it, but the 1d3 even more so.


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Fricks
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Apr 14, 2011 20:42 |  #8

I want to upgrade my 7d to a mark III. So bad




  
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Staszek
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Apr 14, 2011 20:54 |  #9

I've been very happy with my 7D and I have experience using 1D3 and 4's for some work. The FPS drop is due to the new metering system. Shooting the 7D in full manual, I have never had an issue with FPS dropping.


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Camera ­ Nerd
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Apr 14, 2011 21:15 |  #10

Staszek wrote in post #12224434 (external link)
I've been very happy with my 7D and I have experience using 1D3 and 4's for some work. The FPS drop is due to the new metering system. Shooting the 7D in full manual, I have never had an issue with FPS dropping.

when you say full manual do you mean manual focus as well?


canon 7d, canon 5d classic, 24-70 2.8 L, 70-200 2.8 (non-is) L, .
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Apr 14, 2011 21:20 |  #11

No just manual mode, the slowdown is due to the new metering mode.


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Apr 14, 2011 21:31 |  #12

TeamSpeed wrote in post #12224634 (external link)
No just manual mode, the slowdown is due to the new metering mode.

hmmm, ill try it manual next time, usually i shoot aperture or shutter priority as sometimes the lighting can change drastically at some of my events.


canon 7d, canon 5d classic, 24-70 2.8 L, 70-200 2.8 (non-is) L, .
my flickr http://www.flickr.com/​photos/51827770@N04/ (external link)

  
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lungdoc
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Apr 14, 2011 21:38 |  #13

This is a really good thread about this issue. The bottom line seems to be that in low light there is an effect of metering on framerate (can be overcome by AE lock), the custom function(III-2) for AI servo first/second image priority priority will also take more time if it is set to give priority to focus over shutter release. Good explanation on page 4 of this (external link) link.


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Staszek
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Apr 14, 2011 21:47 |  #14

Camera Nerd wrote in post #12224592 (external link)
when you say full manual do you mean manual focus as well?

No. AF is fine. See below.

TeamSpeed wrote in post #12224634 (external link)
No just manual mode, the slowdown is due to the new metering mode.

This is correct.

Camera Nerd wrote in post #12224708 (external link)
hmmm, ill try it manual next time, usually i shoot aperture or shutter priority as sometimes the lighting can change drastically at some of my events.

In Av and Tv modes, the camera is reading the scene and trying to choose the best setting based on your ISO and aperture or shutter speed. By using Manual exposure, you are telling the camera the ISO, shutter speed, AND aperture. The meter is still working, but is just showing you the EV in the viewfinder. You can quickly adjust to correct your exposure and make the ┬▒EV.

Essentially, shooting in Manual overrides the new metering system, preserving your fps. I always shoot manual for indoor sports. Outdoors there is more room to work with Av and Tv (though I'm almost never in Tv-- just personal preference).

I hope that helps.


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Tsmith
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Apr 14, 2011 22:18 |  #15

I've been nothing but thoroughly pleased with the 7D focusing with mine. By far the best AF'ing of any Canon APS-C sensor camera.




  
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7d vs 1d III first day
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