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FORUMS Canon Cameras, Lenses & Accessories Canon EOS Digital Cameras 
Thread started 05 Sep 2014 (Friday) 20:45
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Focus question for 6D owners

 
GeoKras1989
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Sep 06, 2014 19:56 |  #16
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tongard wrote in post #17139165 (external link)
That may be your opinion but it's certainly not mine

I expressed several opinions in that post. Care to elaborate? Or just everything? No offense, just curious where we disagree.


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

  
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Mornnb
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Sep 06, 2014 20:38 |  #17

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.

It's not just about the ISO noise. Full frame also offers thinner depth of field and sharper images, as well as lower noise in the shadows for shadow recovery.
Put it this way, a full frame camera with the same pixel density as the 7D would be 46megapixels. APS-C requires much sharper lenses to produce the same results.


Canon 5D Mark III - Leica M240
EF 16-35mm F/4 IS L - EF 14mm f/2.8 L II - - EF 17mm TS-E L - EF 24-70mm f/2.8 L II - EF 70-200mm IS II f/2.8 L - Sigma 35mm f/1.4 Art - Sigma 85mm f/1.4 EX
Voigtlander 15mm III - 28mm Elmarit-M ASPH - 35mm f/1.4 Summilux-M FLE - 50mm f/1.4 Summilux-M ASPH
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GeoKras1989
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Sep 06, 2014 20:52 |  #18
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Mornnb wrote in post #17139546 (external link)
It's not just about the ISO noise. Full frame also offers thinner depth of field and sharper images, as well as lower noise in the shadows for shadow recovery.
Put it this way, a full frame camera with the same pixel density as the 7D would be 46megapixels. APS-C requires much sharper lenses to produce the same results.

Thanks. Mostly, I have to look pretty close to see much difference. One real standout is how good my 28-135 is on the 6D compared to how bad it is on the 60D. I primarily bought the 6D for shooting at 3200+. It smokes the 60D at those levels.


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

  
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davesrose
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Sep 06, 2014 20:54 as a reply to  @ Mornnb's post |  #19

Looking at the OP's gear, I'd think the debate of overall sensor IQ of FF vs crop is rather moot. I'm starting to invest more in the latest EF lenses because I do see they're noticeably better in contrast and sharpness. The 6D is great for IQ alone....is it's AF adequate? The answer to that is very subjective. It is competent. For many years I used similar AF systems in the 5D series. It can get the job done. But now that I'm pampered with the 5DmkIII, I can't see going back. Almost all my shots are in focus now. With the classic 9 point system, I was finding the focus/recompose method to be hit or miss (just depends on the amount of shift). The customizable interface of the 7D and 5DmkIII compliment the AF system quite well. If you're used to the 7D, you may find the 6D's interface and AF quite limited. You may be better served waiting to see if a 7DmkII is coming out (rumor is any day now it will be announced).


Canon 5D mk IV
EF 135mm 2.0L, EF 70-200mm 2.8L IS II, EF 24-70 2.8L II, EF 50mm 1.4, EF 100mm 2.8L Macro, EF 16-35mm 4L IS, Sigma 150-600mm C, 580EX, 600EX-RT, MeFoto Globetrotter tripod, grips, Black Rapid RS-7, CAMS plate and strap system, Lowepro Flipside 500 AW, and a few other things...
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Mornnb
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Sep 06, 2014 22:16 |  #20

GeoKras1989 wrote in post #17139559 (external link)
Thanks. Mostly, I have to look pretty close to see much difference. One real standout is how good my 28-135 is on the 6D compared to how bad it is on the 60D. I primarily bought the 6D for shooting at 3200+. It smokes the 60D at those levels.

That's right, lens that look ****ty on APS-C can look decent on full frame.
Something like a 70-200mm II 2.8 will look fantastic on both APS-C and full frame, but when you crop in to 100% you will notice a little more detail on the full frame body. Basically, full frame is less demanding on optics. And this IMHO is as much of an advantage as the ISO abilities.


Canon 5D Mark III - Leica M240
EF 16-35mm F/4 IS L - EF 14mm f/2.8 L II - - EF 17mm TS-E L - EF 24-70mm f/2.8 L II - EF 70-200mm IS II f/2.8 L - Sigma 35mm f/1.4 Art - Sigma 85mm f/1.4 EX
Voigtlander 15mm III - 28mm Elmarit-M ASPH - 35mm f/1.4 Summilux-M FLE - 50mm f/1.4 Summilux-M ASPH
500px (external link)

  
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michgirl
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Sep 07, 2014 07:09 |  #21

There is a noticeable difference going from crop to full frame, least there was to me and I am a 60 year old grandma that shoots for fun.

As to the original question, I went from Rebel T1i to 5D ii to 6D, so I only know the simple focus system. With all three cameras, I just adjust the focus point and shoot accordingly. Never a problem. I have fantastic wildlife, eagle and birding shots using this method. I never quite got the 'focus and recompose' method.

The 6D is a great choice, you will not be disappointed.


Robin
Canon 6d / EF Lens: 24mm-105mm / 40mm f/2.8 / 28mm f/1.8 / 50mm f/1.8 / 85mm 1.8
Canon T6i / EFs Lens: 24mm Pancake / 18-55mm STM / 18-135mm STM / 55-250mm STM

  
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Focus question for 6D owners
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