DPReview: Canon 1D Mark IV

Discussion in 'Photography Equipment & Products' started by inTempus, Feb 22, 2010.

  1. inTempus

    inTempus TPF Noob!

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    Removed.
     
    Last edited: Feb 28, 2010
  2. Overread

    Overread has a hat around here somewhere Staff Member Supporting Member

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    :drool:
    I want it!!!!!

    with a dedicated video button

    but I still want it!

    edit but I do wish they'd stop blabbling on about that Nikon full frame camera body - of course its going to beat a crop (even 1.3 crop) for noise - its got a bigger sensor..... Still the fact that its only one step below that "godlike" camera is very good for a crop sensor camera to achive
     
  3. gsgary

    gsgary Been spending a lot of time on here!

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    That's because that is what it is made for :lol:
     
  4. bigtwinky

    bigtwinky No longer a newbie, moving up!

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    and they also dont have any real sport shooters to test it with.
     
  5. Overread

    Overread has a hat around here somewhere Staff Member Supporting Member

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    True on both counts - though I would say that for a proper assessment of AF performance one needs to use the 1DMIV for a decent while to get familiar with it and to also configure its (complex sounding) af options to ensure the best performance level.
     
  6. Moe

    Moe TPF Noob!

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    I'm gonna go ahead and start eating my popcorn while it's hot :popcorn:

    :lol:
     
  7. gsgary

    gsgary Been spending a lot of time on here!

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    Probably because most of them are too busy shooting and don't have time to write pointless reports, go to any event and Canon will always out number Nikon shooters
     
    Last edited: Feb 22, 2010
  8. Derrel

    Derrel Mr. Rain Cloud

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    Here's a report from a "real sports shooter", Scott Larson, on how his new IV performed at a basketball game. He ended up switching back to his Mark III after consecutive focusing failures on the part of his Mark IV. Scott has thousands of his sports photos online at http://www.wballphotos.com/ He shoots primarily NCAA women's basketball and is a "nightly shooter" during the season. Not a one-game-a month guy, but a very experienced B-ball shooter. Below are some of his comments about some Mark IV real-world behaviors.

    Re: 1D Mark III vs. 1D Mark IV in first basketball game: Canon EOS-1D / 1Ds / 5D Forum: Digital Photography Review

    Scott's comments from a recent basketball game using the Mark IV include: "several cases where the Mark IV simply would not lock on slowly moving subjects and fairly static subjects. It was exactly like what's in in Galbraith's basketball galleries."

    followed by ,"The AF lost track of subjects for no apparent reason. I followed an exciting running layup to the basket from a 45 degree angle and it got only one of eight shots (the first one) in focus. DPP confirmed that I had the focus point on the number of her jersey the whole way"

    and "Motion was often front-focused much like the Mark III, although not as often. It still falls far short of the Mark IIn's solid predictive focus and this is a disappointment to me. It causes a very recognizable hit/miss/hit/miss pattern so I still must expect the camera to lose a good percentage of the shots in these situations."

    "A surprising number of initial shots with the Mark IV were out of focus with the second or third shot finally in focus."

    Those are comments from a "real sports shooter." A guy who has owned and shot the Mark IIn, Mark III, and now the Mark IV. Many Canon shooters are still using the Mark II and Mark II-n bodies, because in those bodies, Canon had an almost fool-proof AF system.

    Some who are very experienced Canon shooters have stated that Canon went overboard in adding too many cross-type sensors and that there are "too many cooks in the kitchen", meaning that the Mark IV's AF system assigns too much weight or emphasis to off-center AF points when the camera's processing system is making AF evaluation decisions. These people argue that having 39 of 45 AF points as cross-type gives far too much weight to far,far too many points, and not enough "authority" to make the right decisions.

    Nikon went with 15 out of 51 being cross-type points in the D300 and D3 series cameras and has had good success with a system where less than one out of three AF point is cross-type and thus hyper-sensitive to detail in both horizontal and vertical orientations. Perhaps it's true that 39 of 45 points ought not be cross-type, and that there is just simply too much weight given to too many AF points. The last really well-loved and widely acclaimed Canon AF system was that in the Mark II body, with 19 out of 45 AF systems being cross-sensor type.

    I'm not sure if it is possible for Canon to write a firmware update that would "demote" 20 of the Mark IV"s 39 cross-type sensors to single-axis, but the last time Canon was at the top of the AF heap was with the Mark II-n body with only 19 cross-type sensors,and an overall AF performance that was widely heralded as being superb. Sometimes too much data is simply "too much data", and bad data goes in and is given weight with good data,and if the processing system cannot evaluate it well, the results are sub-optimal.
     
    Last edited: Feb 22, 2010
  9. schumionbike

    schumionbike TPF Noob!

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    You know, I could've come up with that without reading the article :)
     
  10. gsgary

    gsgary Been spending a lot of time on here!

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    Another thing that has not been mentioned is that when the D3 came out most could not use the 70-200 because bad vignete and had to go back to the old 80-200
     
  11. Montana

    Montana TPF Noob!

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    So basically Rob just needed to RTFM? LOL
     
  12. gsgary

    gsgary Been spending a lot of time on here!

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    I think he only knows how to use a Nikon
     

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