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Thread started 05 Sep 2014 (Friday) 20:45
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Focus question for 6D owners

 
pictureman62
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Sep 05, 2014 20:45 |  #1

I'm on the fence about buying a 6D or waiting (1/2 year plus) and getting a 5D mkiii.
The question I have for 6d owners is, Do you have any issues with having only 1 center crosspoint focus point? Going by rule of 1/3s for shot composition, do you frequently need to focus using ctr point , then recompose? How are those results percentage wise?
Having 7D, I must say I really enjoy the 19 cross point focus points. Compose the shot move the selection over the eyes and take the shot, and having 19 to choose from, recomposing is very minimal if any. Please help me on this issue as it will certainly have bearing on my purchase. Regards, pic-man


Capture today, for everyone to enjoy tomorrow!:D
5D mkiii / 6D / 7D / (4) 600ex-rt, / Canon 135 F2 L /Canon 200 2.8L / Canon 24-105 4L / Canon 24-70 2.8 L / Canon 70-200 4 L / Canon 85 1.8 /Canon 50 1.8 STM / Canon ef-s 17-55 2.8 and plenty of smiles!:D

  
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Mornnb
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Sep 05, 2014 20:51 |  #2

The centre point is generally more reliable than the outer points, although sometimes focus recomposing produces worse results than the outer points if it's a very fast lens with close subject distances.

The centre point is probably better than the 7D's AF points, however the 5D3 has several double-cross type sensors and generally has better focus accuracy than the 6D when both cameras are using their centre points. So the advantage of the 5D3 is not merely that it has more AF points.

This doesn't really matter a huge amount in practise. The 6D's AF is good enough, it gets the job done. It gets the shot. The image quality it provides is as good as or better than the 5D3. The 5D3's AF system is amazing, but it is a luxury it is not a necessity. Both these cameras produce essentially the same shot when all is said and done. Both are much better than the 7D in this respect.


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Needsnow
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Sep 05, 2014 20:57 |  #3

I really missed the joystick when I switched to the 6d. After taking about 20,000 photos, now I just use the center point and focus recompose. I understand the risks of that method, but have not had any issues in the real world.


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deanedward
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Sep 05, 2014 21:01 |  #4

I don't focus recompose. I use the outer points and they work just fine.


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TTuna ­ Eye
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Sep 05, 2014 21:05 |  #5

deanedward wrote in post #17138269 (external link)
I don't focus recompose. I use the outer points and they work just fine.

^This. I use the outer points all of the time without issue. I am not sure what magic elixir they use on those non-cross points but they seem to be more responsive than on my Rebels despite what is often said.


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elitejp
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Sep 06, 2014 06:57 as a reply to  @ TTuna Eye's post |  #6

I went from a 50d to a 6d and was also concerned about the crap af system of the 6d. I still think Canon shouldnt have dumbed it down like that but since I normally only shoot portraits and landscapes I took the chance and the outer points work fine for me.


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PNPhotography
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Sep 06, 2014 07:07 |  #7

Focus then recompose takes about 1/4 second but I also use the outer points-just look for contrast.


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GeoKras1989
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Sep 06, 2014 07:19 |  #8
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I have a 60D (all cross-points) and a 6D (1 cross-point). The 6D's outer linear points are faster and more accurate than the 60D's outer cross points. At the center, there is no comparison. The 6D will focus, accurately if not really quickly, in light I would never take a photo in. The 6D also has 2 or 3 ways to configure AF-point selection. I don't need a better af system than the 6D has. It works quite well for stuff like children's athletics and pets in the park.

Just noticed you have two f/1.8 lenses. You will run into the 6D's max shutter of 1/4000 with those lenses, in bright sunshine. I have been forced to use ISO 50, or stop down, several times.


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pictureman62
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Sep 06, 2014 10:27 |  #9

Very thankful for all your input! It sounds as if the 6D can still do a good job on the outside focus points even though not crosspoint. This will be my first ever full frame camera and I'm trying to gather as much info as possible. I know the IG will rock compared to my 7D's given the same shooting scenarios.
This full frame will be used as main body for weddings, and various portrait style shoots. No video shooting, unless just for family fun, so im not really concerned in that dept. It just has to be a winner in portrait shoots and weddings. Good , fast, accurate, focusing is main concern. I thank you once again and any other info you want to share being a 6D user please do.


Capture today, for everyone to enjoy tomorrow!:D
5D mkiii / 6D / 7D / (4) 600ex-rt, / Canon 135 F2 L /Canon 200 2.8L / Canon 24-105 4L / Canon 24-70 2.8 L / Canon 70-200 4 L / Canon 85 1.8 /Canon 50 1.8 STM / Canon ef-s 17-55 2.8 and plenty of smiles!:D

  
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GeoKras1989
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Sep 06, 2014 10:36 |  #10
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You may be expecting a bit much out of full frame. There will be very little difference between the output of a 7D and 6D at 'normal' settings. Shoot them both at ISO 400 and f/5.6 and you'll be hard-pressed to find any difference at all. Two IQ-related things make my 6D separate and distinct from my 60D. Printing large (>20"x30", which I don't do) and the noise profile at ISO 6400 and above.

If I don't need thin DOF or ISO 3200+, I can shoot either body with very little difference in the results.


WARNING: I often dispense advice in fields I know little about!

  
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GotNoCents
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Sep 06, 2014 11:30 |  #11

GeoKras1989 wrote in post #17138933 (external link)
You may be expecting a bit much out of full frame. There will be very little difference between the output of a 7D and 6D at 'normal' settings. Shoot them both at ISO 400 and f/5.6 and you'll be hard-pressed to find any difference at all. Two IQ-related things make my 6D separate and distinct from my 60D. Printing large (>20"x30", which I don't do) and the noise profile at ISO 6400 and above.

If I don't need thin DOF or ISO 3200+, I can shoot either body with very little difference in the results.

but i guess there are times when you do need the high iso - i'm looking to jump to a 6D myself(from a rebel). will be my first full frame too - looking forward to it =)


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GeoKras1989
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Sep 06, 2014 12:13 |  #12
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GotNoCents wrote in post #17138990 (external link)
but i guess there are times when you do need the high iso - i'm looking to jump to a 6D myself(from a rebel). will be my first full frame too - looking forward to it =)

If you need better noise performance at high ISO settings, the 6D is for you. I went from shooting my 60D/15-85 (~24mm & f/4.5) at ISO 3200, to the 6D/35IS @ f/2.8 & 1600. I bought the 6D/35 IS specifically for the lower noise profile and big aperture. The combination is quite effective.

No matter the glass, I feel quite at ease with the 6D at ISO 6400. It is also quite useable at 12,800. I could push the 60D to 6400 with decent results, but that REQUIRED near-perfect exposure and dedicated processing. With the 6D, I can shoot JPG at 6400, if I want. It is that good. Of course Lightroom helps.

If you really want to get into processing for noise, check out some of the postings from TeamSpeed (https://photography-on-the.net …217&highlight=m​ini-review). He does amazing things with noise control and detail retention.


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pictureman62
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Sep 06, 2014 12:41 |  #13

GeoKras1989 wrote in post #17139045 (external link)
If you need better noise performance at high ISO settings, the 6D is for you. .

Exactly my reason, low light church weddings and such. Great low light performance and lower noise levels at higher iso.


Capture today, for everyone to enjoy tomorrow!:D
5D mkiii / 6D / 7D / (4) 600ex-rt, / Canon 135 F2 L /Canon 200 2.8L / Canon 24-105 4L / Canon 24-70 2.8 L / Canon 70-200 4 L / Canon 85 1.8 /Canon 50 1.8 STM / Canon ef-s 17-55 2.8 and plenty of smiles!:D

  
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GotNoCents
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Sep 06, 2014 13:28 |  #14

GeoKras1989 wrote in post #17139045 (external link)
If you need better noise performance at high ISO settings, the 6D is for you. I went from shooting my 60D/15-85 (~24mm & f/4.5) at ISO 3200, to the 6D/35IS @ f/2.8 & 1600. I bought the 6D/35 IS specifically for the lower noise profile and big aperture. The combination is quite effective.

No matter the glass, I feel quite at ease with the 6D at ISO 6400. It is also quite useable at 12,800. I could push the 60D to 6400 with decent results, but that REQUIRED near-perfect exposure and dedicated processing. With the 6D, I can shoot JPG at 6400, if I want. It is that good. Of course Lightroom helps.

If you really want to get into processing for noise, check out some of the postings from TeamSpeed (https://photography-on-the.net …217&highlight=m​ini-review). He does amazing things with noise control and detail retention.

that's a nice link! bookmarked. thanks :lol:
and yea, sometimes i just don't want to ruin the ambience of a shot with flash - but my rebel can barely make at at 1600, much less 3200. bummer


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tongard
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Sep 06, 2014 14:04 |  #15

GeoKras1989 wrote in post #17138933 (external link)
You may be expecting a bit much out of full frame. There will be very little difference between the output of a 7D and 6D at 'normal' settings. Shoot them both at ISO 400 and f/5.6 and you'll be hard-pressed to find any difference at all. Two IQ-related things make my 6D separate and distinct from my 60D. Printing large (>20"x30", which I don't do) and the noise profile at ISO 6400 and above.

If I don't need thin DOF or ISO 3200+, I can shoot either body with very little difference in the results.

That may be your opinion but it's certainly not mine


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Focus question for 6D owners
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