real world focusing: D600 vs D7100

Started May 10, 2013 | Questions
hiro_pro
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real world focusing: D600 vs D7100
May 10, 2013

I currently have a d7000 and it is a good camera. the main problem i am having with it is focus accuracy.  i find that indoors and in low light situations i start to get a lot of focus misses.  i have seen the camera miss the person 20 feet away and focus perfectly on the wall 10 feet behind them.  this is especially true at longer ranges and when shooting between f1.4 and 2.8.  i generally use the center focus at its tightest setting.  i press the shutter half way down to focus, recompose and shoot.  this works most of the time but not enough.  i have learned a bunch of tricks that help like aim at a high contrast point on the person (i.e. the line between a white shirt and black jacket) instead of the eyes but i am getting to the point where i would rather have a camera that works better.

so now i am thinking about the d600 or he d7100.  we have all read that the d7100 has a better focus system or at least on paper.  i am wondering if anyone has any real world experience focusing the two cameras particularly on moving subjects and can give me a recommendation.

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d7000

tamron 17-50 2.8, sigma 70-200 2.8

sigma 30 1.4, nikon 50 1.4 & 85 1.8

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Nikon D600 Nikon D7000 Nikon D7100
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amobi
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Re: real world focusing: D600 vs D7100
In reply to hiro_pro, May 10, 2013

hiro_pro wrote:

I currently have a d7000 and it is a good camera. the main problem i am having with it is focus accuracy.  i find that indoors and in low light situations i start to get a lot of focus misses.  i have seen the camera miss the person 20 feet away and focus perfectly on the wall 10 feet behind them.  this is especially true at longer ranges and when shooting between f1.4 and 2.8.  i generally use the center focus at its tightest setting.  i press the shutter half way down to focus, recompose and shoot.  this works most of the time but not enough.  i have learned a bunch of tricks that help like aim at a high contrast point on the person (i.e. the line between a white shirt and black jacket) instead of the eyes but i am getting to the point where i would rather have a camera that works better.

so now i am thinking about the d600 or he d7100.  we have all read that the d7100 has a better focus system or at least on paper.  i am wondering if anyone has any real world experience focusing the two cameras particularly on moving subjects and can give me a recommendation.

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d7000

tamron 17-50 2.8, sigma 70-200 2.8

sigma 30 1.4, nikon 50 1.4 & 85 1.8

I will perform AF tuning on the lenses before switching camera. My D7100 failed me badly with my 16-35fVR f4. About 85% of images taken with my 16-35 were oof but I won't blame the D7100 yet until I perform AF turning.

I'm waiting on Rekial Focal to support D7100.

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sshoihet
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Re: real world focusing: D600 vs D7100
In reply to hiro_pro, May 11, 2013

hiro_pro wrote:

I currently have a d7000 and it is a good camera. the main problem i am having with it is focus accuracy.  i find that indoors and in low light situations i start to get a lot of focus misses.  i have seen the camera miss the person 20 feet away and focus perfectly on the wall 10 feet behind them.  this is especially true at longer ranges and when shooting between f1.4 and 2.8.  i generally use the center focus at its tightest setting.  i press the shutter half way down to focus, recompose and shoot.  this works most of the time but not enough.  i have learned a bunch of tricks that help like aim at a high contrast point on the person (i.e. the line between a white shirt and black jacket) instead of the eyes but i am getting to the point where i would rather have a camera that works better.

so now i am thinking about the d600 or he d7100.  we have all read that the d7100 has a better focus system or at least on paper.  i am wondering if anyone has any real world experience focusing the two cameras particularly on moving subjects and can give me a recommendation.

-- hide signature --

d7000

tamron 17-50 2.8, sigma 70-200 2.8

sigma 30 1.4, nikon 50 1.4 & 85 1.8

I shoot both the D7000 and D7100.

The 51pt system on the D7100 is great, especially on smaller targets as it appears to have smaller focus points.  I haven't used it a lot in low light so it's hard for me so say for sure but i used it one evening on birds and it had no trouble.  I find the AF on the D7100 to be much more predictable than the D7000. In 1.3 crop mode, the focus points cover almost the entire frame.

The focus points on the D600 cover a fairly small portion of the of the frame which one might find frustrating.

I really wanted to like the D600 and I would have purchased it, but it was lacking too much vs the D7100.  I don't shoot high ISO that much and I don't do a lot of really shallow DOF so that wasn't enough to sway me...

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krikman
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Re: real world focusing: D600 vs D7100
In reply to hiro_pro, May 11, 2013

hiro_pro wrote:

I currently have a d7000 and it is a good camera. the main problem i am having with it is focus accuracy.  i find that indoors and in low light situations i start to get a lot of focus misses.  i have seen the camera miss the person 20 feet away and focus perfectly on the wall 10 feet behind them.  this is especially true at longer ranges and when shooting between f1.4 and 2.8.  i generally use the center focus at its tightest setting.  i press the shutter half way down to focus, recompose and shoot.  this works most of the time but not enough.  i have learned a bunch of tricks that help like aim at a high contrast point on the person (i.e. the line between a white shirt and black jacket) instead of the eyes but i am getting to the point where i would rather have a camera that works better.

so now i am thinking about the d600 or he d7100.  we have all read that the d7100 has a better focus system or at least on paper.  i am wondering if anyone has any real world experience focusing the two cameras particularly on moving subjects and can give me a recommendation.

Both D600 and D7100 are a large step forward in focus accuracy and snapping. Both needs careful AF-adjustements for lenses, both tracks well AF in low light.They are different mainly in AF coverage area, which is ridiculous small in D600, taking account its larger sensor.

On another side the relative single focus point area in D600 is about twice as smaller, making precise focusing little easier. Anyway most lenses aren't as good wide open at 2/3 as in center area, making widespread AF points not so useful.

So you'll get better AF anyway, which still not guarantee you from good technics and tricks while focusing. Especially choosing between 3d tracking and 9 or 21 points.

Personally I tend to recompose on D600 and use tracking on D7100.

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Chuck Steenburgh
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Re: real world focusing: D600 vs D7100
In reply to hiro_pro, May 11, 2013

I have both the D600 and D7100.  The D7100 is definitely better for shooting action, and an improvement over the D7000.  It's a modest improvement, but noticeable nonetheless.

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winparkman
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Re: real world focusing: D600 vs D7100
In reply to hiro_pro, May 11, 2013

I don't miss focus very often with the D7100, even at f/1.4.

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OK, not so purely a hobby.

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Chuvarsky
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Re: real world focusing: D600 vs D7100
In reply to hiro_pro, May 11, 2013

My D7100 is noticably better than my D7000.

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bernieraffe
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Re: real world focusing: D600 vs D7100
In reply to hiro_pro, May 11, 2013

hiro_pro wrote:

this is especially true at longer ranges and when shooting between f1.4 and 2.8.

I have both D7000 and D7100, but irrespective of camera, I found that focus and re-composing at very wide apertures resulted in slightly softer images, especially if the subject was reasonably close.

So now, at wide apertures,  I always use one of the other focal areas, so that I donb't have to re-compose, and although this of course works better on the D7100, I would give it a try first with your D7000 and see if you notice any improvements

Cheers,
Bernie

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hiro_pro
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Re: real world focusing: D600 vs D7100
In reply to bernieraffe, May 11, 2013

bernieraffe wrote:

hiro_pro wrote:

this is especially true at longer ranges and when shooting between f1.4 and 2.8.

I have both D7000 and D7100, but irrespective of camera, I found that focus and re-composing at very wide apertures resulted in slightly softer images, especially if the subject was reasonably close.

So now, at wide apertures,  I always use one of the other focal areas, so that I donb't have to re-compose, and although this of course works better on the D7100, I would give it a try first with your D7000 and see if you notice any improvements

Cheers,
Bernie

bernie- i know what you mean about having to be careful when you recompose. the misses i get are much larger (think yards not inches).  i suspect that one issue is the subject is just outside the focus assist light range.

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d7000
tamron 17-50 f2.8
sigma 70-200 f2.8

 hiro_pro's gear list:hiro_pro's gear list
Nikon D600 Nikon AF Nikkor 50mm f/1.4D Tamron SP 24-70mm F/2.8 Di VC USD Tamron SP 70-200mm F/2.8 Di VC USD Nikon AF Nikkor 35mm f/2D +4 more
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