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Author Topic: DxO Review of the Tamron 150-600mm f5-6.3 Di VC USD Canon  (Read 2162 times)

mackguyver

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DxO Review of the Tamron 150-600mm f5-6.3 Di VC USD Canon
« on: February 12, 2014, 12:34:24 PM »
It's up:
http://www.dxomark.com/Reviews/Tamron-150-600mm-f5-6.3-Di-VC-USD-Canon-mount-lens-review-New-contender

Their conclusion:
"If Tamron built this lens to outperform the Sigma offering then they succeeded with full frame cameras. The gain in performance over their rival’s offering is less noticeable on the APS-C cameras. Despite that, the image quality is a slight improvement over the Sigma. Given the longer range and similar price, it’s a pretty impressive achievement.

The Tamron even outperforms the pricier Canon lens on the full frame Canon EOS 5D Mk III though it’s less convincing when compared with the Canon EOS 7D. There’s likely too little in it to switch but for first-time buyers the new Tamron is attractive proposition."

It looks like it has very low CA, low distortion, and nice sharpness until 600mm when (as we've seen from the initial reports) it needs to be stopped down to f/8.  It doesn't blow away the competition in IQ, but given the price and focal range, it's an excellent lens.
« Last Edit: February 12, 2014, 12:44:19 PM by mackguyver »
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DxO Review of the Tamron 150-600mm f5-6.3 Di VC USD Canon
« on: February 12, 2014, 12:34:24 PM »

Mt Spokane Photography

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Re: DxO Review of the Tamron 150-600mm f5-6.3 Di VC USD Canon
« Reply #1 on: February 12, 2014, 12:51:08 PM »
As usual, the rating is one dimensional.  Too bad they don't have some photographers rating the lenses for ALL the reasonably important things to photographers.  They seem to stick to sharpness and a couple of other parameters.  We don't even know if it will autofocus,  from their reviews, it could be a manual focus only lens.
 
"Aimed at wildlife, bird and action photographers"  So, how does it do with AF speed in bright and low light/  Does it work with the camera tracking systems.  Can you hand hold it while tracking a BIF like the 100-400L?  Did they test it on wildlife, bird, and action photography?  That would be useful to know how it performs.  How can they give it a score without knowing or trying these things??
 
A person could read their review and run out to buy one only to find it would not work well for his application.
 
Fortunately, there are professional and competent reviewers who look at all the aspects and don't try to use a secret formula to put a number on the lens.
DXO could be so much more if they were open about their ratings and stated what they did not include in their scores, like ability to autofocus in both phase detect or liveview modes.

mackguyver

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Re: DxO Review of the Tamron 150-600mm f5-6.3 Di VC USD Canon
« Reply #2 on: February 12, 2014, 01:08:31 PM »
I agree but still find their measurements interesting, even if they are limited in their scope and their scores and such are just bizarre at times.  It's a nice, free, resource to get another perspective on lenses, but I would never advise anyone to base their purchases purely on DxO's "reviews". 
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josephandrews222

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Re: DxO Review of the Tamron 150-600mm f5-6.3 Di VC USD Canon
« Reply #3 on: February 12, 2014, 01:31:35 PM »
As usual, the rating is one dimensional.  Too bad they don't have some photographers rating the lenses for ALL the reasonably important things to photographers.  They seem to stick to sharpness and a couple of other parameters.  We don't even know if it will autofocus,  from their reviews, it could be a manual focus only lens.
 
"Aimed at wildlife, bird and action photographers"  So, how does it do with AF speed in bright and low light/  Does it work with the camera tracking systems.  Can you hand hold it while tracking a BIF like the 100-400L?  Did they test it on wildlife, bird, and action photography?  That would be useful to know how it performs.  How can they give it a score without knowing or trying these things??
 
A person could read their review and run out to buy one only to find it would not work well for his application.
 
Fortunately, there are professional and competent reviewers who look at all the aspects and don't try to use a secret formula to put a number on the lens.
DXO could be so much more if they were open about their ratings and stated what they did not include in their scores, like ability to autofocus in both phase detect or liveview modes.

I am not sure I understand your criticism of DXO. Am I right that their scores only refer to image quality? It seems to me that you are asking more of them than they offer.

I own the Tamron 200-500 and look forward to additional opinions on the totality of the lens (you've made that point, too)...but DXO doesn't do that, right?
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J.R.

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Re: DxO Review of the Tamron 150-600mm f5-6.3 Di VC USD Canon
« Reply #4 on: February 12, 2014, 01:39:41 PM »
Am I right that their scores only refer to image quality?


Nope ... No one knows how DXO arrives at its scores. Check out the recent DXO bashing thread that was pretty active for the past few days
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sdsr

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Re: DxO Review of the Tamron 150-600mm f5-6.3 Di VC USD Canon
« Reply #5 on: February 12, 2014, 01:51:51 PM »

I am not sure I understand your criticism of DXO. Am I right that their scores only refer to image quality? It seems to me that you are asking more of them than they offer.


I think I know what you mean, but image quality in the abstract doesn't matter: if it doesn't focus fast and/or accurately (I've no idea whether it does or not) in the sort of conditions for which such a lens is likely to be used, then the image quality, much of the time, won't be any good at all.

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Re: DxO Review of the Tamron 150-600mm f5-6.3 Di VC USD Canon
« Reply #6 on: February 12, 2014, 02:07:15 PM »
If you want reviews that cover more on the practical side, while keeping true to testing objectively, I would recommend http://www.lenstip.com/ . They include AF accuracy and speed, and provide their own opinion when needed. (but alas they have not yet tested the Tamron).
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Re: DxO Review of the Tamron 150-600mm f5-6.3 Di VC USD Canon
« Reply #6 on: February 12, 2014, 02:07:15 PM »

Plainsman

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Re: DxO Review of the Tamron 150-600mm f5-6.3 Di VC USD Canon
« Reply #7 on: February 12, 2014, 02:52:04 PM »
DXO:  "......softer across the frame at 600 than the Sigma 150-500 is at 500..."

That's a disappointment since  my experience of the Sigma at 500 was not good.

Being realistic at this price you really can't expect the Tamron @ 600 to be even close to the 100-400 @ 400. That's the difference - the Canon is sharp at the top end but the Tamron ain't. Ah well just have to wait for the new 100-400 and use a TC to get 560 assuming by then Canon can give us a crop camera with f8 AF capability. That maybe is asking a lot.

But then DXO might have tested a sub-par copy........
« Last Edit: February 12, 2014, 02:55:24 PM by Plainsman »

neuroanatomist

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Re: DxO Review of the Tamron 150-600mm f5-6.3 Di VC USD Canon
« Reply #8 on: February 12, 2014, 02:54:09 PM »
Am I right that their scores only refer to image quality?

No, their Lens Score refers to how well the camera used for testing with that lens performs in 150 lux with a 1/60 s exposure at ISO 100.  Do you think that the 50mm f/1.8 II delivers better image quality than the 600mm f/4L IS II?  By reasonable objective measures, no way.  But if I was going to shoot in a dimly lit warehouse (which is what 150 lux illumination translates to in the real world) and my camera was locked on ISO 100 with no ability to go higher, an f/1.8 lens would be a better choice than an f/4 lens.  That's what the DxOMark Lens Score means.
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Albi86

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Re: DxO Review of the Tamron 150-600mm f5-6.3 Di VC USD Canon
« Reply #9 on: February 12, 2014, 03:00:48 PM »
One day, hopefully, people will understand that DxO tests are lab-based. No more, no less. Whatever test conditions you pick, it means compromising on something else. Always. They chose their test conditions and all we can do, as an (hopefully) intelligent audience, is keeping them in mind when we read the outcome.

Now please some of the detractors, design a lab-based BIF test. Of course the lab must be as big as a forest to be realistic, but with tightly-controlled lighting conditions everywhere. Oh, and it has to be reproducible of course, so you'd better think of how to convince the bird to keep flying back and forth the same path and at the same speed over and over again.

neuroanatomist

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Re: DxO Review of the Tamron 150-600mm f5-6.3 Di VC USD Canon
« Reply #10 on: February 12, 2014, 03:29:09 PM »
Oh, and it has to be reproducible of course, so you'd better think of how to convince the bird to keep flying back and forth the same path and at the same speed over and over again.


That's already been figured out.



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dilbert

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Re: DxO Review of the Tamron 150-600mm f5-6.3 Di VC USD Canon
« Reply #11 on: February 12, 2014, 03:39:00 PM »
DXO:  "......softer across the frame at 600 than the Sigma 150-500 is at 500..."

That's a disappointment since  my experience of the Sigma at 500 was not good.

When wide open.

Quote
Being realistic at this price you really can't expect the Tamron @ 600 to be even close to the 100-400 @ 400.
...

However the Tamron is sharper at 400mm than the Canon.

AlanF

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Re: DxO Review of the Tamron 150-600mm f5-6.3 Di VC USD Canon
« Reply #12 on: February 12, 2014, 03:39:30 PM »
DXO:  "......softer across the frame at 600 than the Sigma 150-500 is at 500..."

That's a disappointment since  my experience of the Sigma at 500 was not good.

Being realistic at this price you really can't expect the Tamron @ 600 to be even close to the 100-400 @ 400. That's the difference - the Canon is sharp at the top end but the Tamron ain't. Ah well just have to wait for the new 100-400 and use a TC to get 560 assuming by then Canon can give us a crop camera with f8 AF capability. That maybe is asking a lot.

But then DXO might have tested a sub-par copy........


Did you read:
http://www.dxomark.com/Reviews/Tamron-150-600mm-f5-6.3-Di-VC-USD-Canon-mount-lens-review-New-contender/Tamron-150-600mm-f5-6.3-Di-VC-USD-vs.-Sigma-150-500mm-f5-6.3-APO-DG-OS-HSM-vs.-Canon-EF100-400mm-f4.5-5.6L-IS-mounted-Canon-EOS-5D-Mk-III-Good-overall-IQ

"Against the Canon, the Tamron is, surprisingly, slightly sharper between the 150-300mm focal lengths, though there’s not much in it at 400mm – the Canon is sharper centrally though the Tamron has the slightly better uniformity across the field. However, the Canon has heavier vignetting at 400mm and noticeably more lateral chromatic aberration in the corners.
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Re: DxO Review of the Tamron 150-600mm f5-6.3 Di VC USD Canon
« Reply #12 on: February 12, 2014, 03:39:30 PM »

Albi86

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Re: DxO Review of the Tamron 150-600mm f5-6.3 Di VC USD Canon
« Reply #13 on: February 12, 2014, 03:42:10 PM »
Too simple, it hardly flies like a real bird.

I was also thinking that BIF, like other photography applications, besides the gear depends on personal skills. So to avoid this variable, camera and lens have to be mounted on a robot arm that follows the bird emulating at least 3 different skill levels: always on, most of the time, struggling to follow. And it has to shake to test the VC in the same conditions.

lycan

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Re: DxO Review of the Tamron 150-600mm f5-6.3 Di VC USD Canon
« Reply #14 on: February 12, 2014, 03:56:51 PM »
DXO:  "......softer across the frame at 600 than the Sigma 150-500 is at 500..."

That's a disappointment since  my experience of the Sigma at 500 was not good.

Being realistic at this price you really can't expect the Tamron @ 600 to be even close to the 100-400 @ 400. That's the difference - the Canon is sharp at the top end but the Tamron ain't. Ah well just have to wait for the new 100-400 and use a TC to get 560 assuming by then Canon can give us a crop camera with f8 AF capability. That maybe is asking a lot.

But then DXO might have tested a sub-par copy........


DXO:
"
Against the Canon, the Tamron is, surprisingly, slightly sharper between the 150-300mm focal lengths, though there’s not much in it at 400mm – the Canon is sharper centrally though the Tamron has the slightly better uniformity across the field. However, the Canon has heavier vignetting at 400mm and noticeably more lateral chromatic aberration in the corners.
The Tamron even outperforms the pricier Canon lens on the full frame Canon EOS 5D Mk III though it’s less convincing when compared with the Canon EOS 7D."


They say Tamron is better.....  100-400mm with TC is no way sharper than this tamron

And yes, AF performs well and it is accurate in good light. Not as accurate in low light, as any other lens

http://www.sumeetmoghe.com/2014/02/field-testing-bigron-aka-tamron-150.html

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Re: DxO Review of the Tamron 150-600mm f5-6.3 Di VC USD Canon
« Reply #14 on: February 12, 2014, 03:56:51 PM »