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FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses 
Thread started 01 Jun 2012 (Friday) 10:49
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Photozone's review on the Tamron AF 24-70mm f/2.8 SP Di USD VC

 
pxchoi
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Jun 01, 2012 10:49 |  #1

Looks very interesting indeed - Here's the summary and link below.

reckon that the Tamron designers had some fun during the design of the lens. Unlike with the Tamron AF 28-75mm f/2.8 SP XR they were not so much restricted by pricing concerns and the positive effect on the results is obvious - the Tamron AF 24-70mm f/2.8 SP Di USD VC is an impressive lens. It is capable of delivering very sharp results at medium aperture settings and at max. aperture the center quality is more than decent. Lateral CAs are very low which contributes to the high sharpness perception. The vignetting is very pronounced at f/2.8 but this is actually quite normal in this (full format) lens class. You should either care about this during post processing or by stopping down to f/5.6. Distortions are primarily an issue at 24mm. They are a bit higher than average here but not a significant problem anymore from 35mm onward. The quality of the bokeh is somewhat mixed. It is quite smooth in the background but the foreground as well as bokeh highlights can be nervous. Bokeh fringing is not an issue to worry about.
So far we were mostly unimpressed by the build quality of most Tamron lenses. However, we are happy to report that things have improved with the Tamron AF 24-70mm f/2.8 SP Di USD VC. The lens barrel is mostly made of plastics but it is of high quality and it is tightly assembled. The new weather sealing is very welcome, of course. Same goes for the very fast and silent USD (ultrasonic AF drive). The Tamron lens has one unique selling point: it is the first fast standard zoom lens to feature an image stabilizer and based on what we have experienced during the field trip we would rate it with a 3 f-stops efficiency. Your mileage may vary here a bit into the one or the other direction depending on your shake characteristic.

The Tamron AF 24-70mm f/2.8 SP Di USD VC is not a perfect lens - none really is - but regarding the sum of its qualities it is obviously the best standard zoom for Canon EOS at this stage - at least till the Canon EF 24-70mm f/2.8 USM L II enters the scenes. However, in any case it will be very hard to beat from a price perspective!

Review (external link)


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SchnellerGT
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Jun 01, 2012 11:34 |  #2

I am getting pissed that Canon is being so tight-lipped about the 24-70L II. They could at least do everyone a favor and send samples to reviewers.

If the lens is rated anything less than a 9/10, then my money goes (back) to Tamron.

But for the price, the Canon had better be a 11/10.


Canon EOS 5D Mark II | Canon 24-70 2.8L II [FONT=Tahoma][SIZE=2][​FONT=Tahoma][SIZE=2][F​ONT=Tahoma]| Canon 40mm Pancake | Canon EF 85 1.8 USM | Canon EF 135 F2L USM | Canon Speedlite 430 EX
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FEChariot
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Jun 01, 2012 18:23 as a reply to  @ SchnellerGT's post |  #3

Clearly Klaus is a landscape guy. He pretty much destroyed the ratings of the Canon 28/1.8 and Sigma 30/1.4 on the crop reviews because the corners were soft, but here with the Tamron 24-70 he mostly brushed off what I feel is some of the worse bokeh on any lens released since the start of DSLRs. Onion bokeh anyone? It's no problem.


Canon 7D/350D, Σ17-50/2.8 OS, 18-55IS, 24-105/4 L IS, Σ30/1.4 EX, 50/1.8, C50/1.4, 55-250IS, 60/2.8, 70-200/4 L IS, 85/1.8, 100/2.8 IS L, 135/2 L 580EX II, 430EX II * 2, 270EX II.

  
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bohdank
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Jun 01, 2012 19:02 |  #4

I am happy with the 28-75 on a FF and have not been tempted by the Canon 24-70 and the new one has a sticker price that bites. I am pretty sure I will be buying the Tamron even though I don't care for IS in this focal range.

I'm glad to see third parties coming up to the plate and offering world class optics for considerably less money than the big names. Hell, the Canon 24-70 doesn't have anything over the 28-75 for how/where I use the lens and the new Tamron seems clearly better, albeit at a much higher price.

They should sell a lot of these in Canon mount, imo.


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1Tanker
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Jun 01, 2012 20:01 as a reply to  @ bohdank's post |  #5

Definitely sounds a lot better on crop. While this focal range is generally more acceptable on ff, i could see me owning this for my 60D(and would work well with my 1D as well) as my walk-around lens. I could sell my 15-85, and still have the 10-22 for wide angle. The 2mm gap would be meaningless for me. I'm gonna be patient, and see if it creeps down to $999(likely within a year).. that would tip the scales for me. :)


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arentol
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Jun 01, 2012 23:22 |  #6

FEChariot wrote in post #14518069 (external link)
Clearly Klaus is a landscape guy. He pretty much destroyed the ratings of the Canon 28/1.8 and Sigma 30/1.4 on the crop reviews because the corners were soft, but here with the Tamron 24-70 he mostly brushed off what I feel is some of the worse bokeh on any lens released since the start of DSLRs. Onion bokeh anyone? It's no problem.

You are silly. The Tamron 24-70 bokeh is just fine. I have taken about 500 photos with mine and not ONE shot has been ruined or even significantly harmed by onion bokeh. Of those 500 only about 40 have onion bokeh at all, of those only 15 have onion bokeh that would be visible in a 12x18 print size, and of those only 4 are keepers anyway.... And almost all of the 15 are from the same series.

This is by far the worst onion bokeh has ever gotten for me, it isn't a keeper anyway, and it is a 3 minute fix to get rid of it, not that it even needs to be fixed that badly:

IMAGE NOT FOUND
IMAGE IS A REDIRECT OR MISSING!
Byte size: ZERO | Content warning: NOT AN IMAGE


And here is my best shot from that series, the only one I will even possibly have printed, and the onions are both irrelevant to the image and super-easy to fix:

IMAGE NOT FOUND
IMAGE IS A REDIRECT OR MISSING!
Byte size: ZERO | Content warning: NOT AN IMAGE


Best photo I have taken with visible onion bokeh, OH THE HUMANITY!!! :rolleyes: :

IMAGE NOT FOUND
IMAGE IS A REDIRECT OR MISSING!
Byte size: ZERO | Content warning: NOT AN IMAGE


And yes, I have seen the dog picture where the nose is ruined. Yes I have already proven to my satisfaction that it is easily fixed in PP... 2 min for a quick and dirty job on a small jpeg like that, probably 5 minutes with the original to make it look entirely natural.

This "issue" has been blown way out of proportion, it is just not that bad, and it certainly doesn't ruin the lenses other optical qualities, which are the best of any available EF compatible normal zoom available today.

5D3 | Rokinon 14 f/2.8 | 16-35L II | TS-E 24L | Tamron 24-70 f/2.8 | Tamron 28-75 f/2.8 | Voigtlander 40 f/2.0 | Σ 50 f/1.4 | MP-E 65 | 70-200 2.8L IS II | Σ 85 f/1.4 | Zeiss 100 f/2 | Σ 120-300 f/2.8 OS | 580 EX II | 430 EX II | Fuji X10 | OM-D E-M5 | http://www.mikehjphoto​.com/ (external link)
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woos
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Jun 02, 2012 00:05 |  #7

Nice shots. I wonder why some have had such good results and some so bad (the TDP crops look bad, but the photozone corners look sharp compared to the L...very odd...copy variation, or is the lens really different at diff focus distances?)


amanathia.zenfolio.com

  
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kin2son
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Jun 02, 2012 00:15 |  #8
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woos wrote in post #14519300 (external link)
Nice shots.

Sorry what? :rolleyes:


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woos
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Jun 02, 2012 00:28 |  #9

kin2son wrote in post #14519325 (external link)
Sorry what? :rolleyes:

Uhhh the poster above me? The color is great in them. What do you have against them? lol


amanathia.zenfolio.com

  
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Charlie
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Jun 02, 2012 01:25 |  #10

on a side note, anyone notice that flickr has upped the free size up to 2mpx? it's pretty awesome, but not sure how flickr does the compression (or does lightroom do it?) Some artifacts in my photo: http://www.flickr.com …4/sizes/k/in/ph​otostream/ (external link) top left corner.


Sony A7siii/A7iii/ZV-1 - FE 24/1.4 - SY 24/2.8 - FE 35/2.8 - FE 50/1.8 - FE 85/1.8 - F 600/5.6 - CZ 100-300 - Tamron 17-28/2.8 - 28-75/2.8 - 28-200 RXD
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woos
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Jun 02, 2012 01:29 |  #11

Would be easy to test (sorry for the off topic, lol)...take and make a jpeg of some text. Save it at 100% quality and then upload it. Text is affected really badly by jpeg compression.


amanathia.zenfolio.com

  
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Photozone's review on the Tamron AF 24-70mm f/2.8 SP Di USD VC
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