24-70/2.8 Canon or Tamron: Which did you choose and why?

I bought the Tamron, it was out before the Canon v2 and I needed something for my 5d3. I had a Tamron lens without VC for my 60D and liked it, so I had no problems going for the Tamron again. It also meant that I can put the difference in price towards another lens :)
 
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Rienzphotoz said:
Tamron's VC or Canon IS will not help with people photography in dimly lit indoor situations ... coz people move

At say 50 mm focal length, with adults "trying" to pose and not move, what minimum shutter speed would be typically required for subject motion?

Looking over my shots, I actually got some very sharp photos at around 65 mm at 1/30th.
Some of the moderately blurred photos were for example 61 mm at 1/16 th ! Didn't even realize how slow shutter speed was due to trying to run after people. So in these situations, IS/VC would not have helped anyway?
 
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drjlo said:
Rienzphotoz said:
Tamron's VC or Canon IS will not help with people photography in dimly lit indoor situations ... coz people move

At say 50 mm focal length, with adults "trying" to pose and not move, what minimum shutter speed would be typically required for subject motion?

Looking over my shots, I actually got some very sharp photos at around 65 mm at 1/30th.
Some of the moderately blurred photos were for example 61 mm at 1/16 th ! Didn't even realize how slow shutter speed was due to trying to run after people. So in these situations, IS/VC would not have helped anyway?
Shot from a tripod (or with IS) 1/30s is probably the minimum for posed portraits, but 1/60s is pretty safe and 1/100s or fast can pretty much assure you of sharp photos.
 
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candyman said:
Rienzphotoz said:
candyman said:
You suffer from GAS ;)
Did you sell the Sigma 150 - 500 OS?
I would opt for 24-70 II and the Tamron 150-600
Oh yes, absolutely ... I am currently experiencing severe G.A.S ... especially since I've sold some of my gear, my wallet is rich with about US$3000 8) :-[
Well, I wonder if everyone here suffers form G.A.S. ::)
I'm pretty sure, its just you and me :P
candyman said:
I am going to buy the Canon 6D tomorrow 8)
Awesome ... may it serve you well
candyman said:
...the list changes all the time....never empty ;D
;D
 
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drjlo said:
Rienzphotoz said:
Tamron's VC or Canon IS will not help with people photography in dimly lit indoor situations ... coz people move

At say 50 mm focal length, with adults "trying" to pose and not move, what minimum shutter speed would be typically required for subject motion?

Looking over my shots, I actually got some very sharp photos at around 65 mm at 1/30th.
Some of the moderately blurred photos were for example 61 mm at 1/16 th ! Didn't even realize how slow shutter speed was due to trying to run after people. So in these situations, IS/VC would not have helped anyway?
I shoot a lot of group shots of our rig crew, so I generally try to keep it between 1/60sec to 1/80sec (even if it is a dimly lit area ... I raise the ISO if needed) ... I did shoot group shots at 1/10sec to 1/30sec as well, although I get lucky sometimes, not all the people are sharp in the image, there will always be a few whose head movement makes them come out not as sharp as the others ... maybe those are the ones "happy on some exotic substance" ;D
 
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Rienzphotoz said:
Tamron's VC or Canon IS will not help with people photography in dimly lit indoor situations ... coz people move

...or you work creatively with people's movement. Here the Tamrons great VC allows playing around spontaneously, with Canon's 24-70/2.8 you'd need for such a shot a tripod, see this test example in my little gallery (I shot this image on my first eve walkaround with my Tamron):
http://www.dpreview.com/galleries/6385346624/photos/2148378/tamron-24-70-vc-test-handheld-shot-with-1-5-s

That said, I am really disappointed with the Tamron's AF reliability both on my 5D3 and 7D (I tried two copies, both with careful MA, both with the same results). I get significantly less in-focus hits wide open e.g. @ 70 mm as with my EF 70-200/2.8 II. Turning off VC when shooting action improves AF performance of the Tamron a bit. This is the only but quite serious flaw of this lens IMO. IQ and manual quality are very good, in particular given its competitive price.
 
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Tried all 3 of them, Tam24-70, 24-70L mk1& mk2. Would have gotten the mk1 but couldn't find new one in stock. My main concern was the build quality and resale value so I went with mk2. All 3 lenses are great but I didn't like tammys oof render plus build quality is far behind any L.
 
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drjlo said:
Rienzphotoz said:
Tamron's VC or Canon IS will not help with people photography in dimly lit indoor situations ... coz people move

At say 50 mm focal length, with adults "trying" to pose and not move, what minimum shutter speed would be typically required for subject motion?

Looking over my shots, I actually got some very sharp photos at around 65 mm at 1/30th.
Some of the moderately blurred photos were for example 61 mm at 1/16 th ! Didn't even realize how slow shutter speed was due to trying to run after people. So in these situations, IS/VC would not have helped anyway?


It would help at those slow shutter speeds, but it doesn't help if people are moving...only if YOU are moving.

regarding your question about at 50mm focal length....I would say shoot at 1/100 for sharp shots without IS...if that requires you to bump up ISO to 3200 or 6400, so be it. The noise is easily removed in post processing, or if shooting JPEG, the 5d3 does an awesome job at noise reduction if you turn it on in the camera settings.
 
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