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FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses 
Thread started 07 Nov 2010 (Sunday) 22:28
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Thoughts of replacing kit lens with...

 
BuckeyeGuy
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Nov 07, 2010 22:28 |  #1

I've been thinking of upgrading my T1i kit lens to the Sigma 17-50 F/2.8 EX OS HSM lens. There's not a lot out there on the lens in way of reviews, but I've read several people here that say that it's a nice alternative to the Canon 18-55 f/2.8 lens in terms of dollar for dollar value.

But looking here (external link), at these 100% crop images, it almost appears that the kit lens does a better job in terms of IQ. Am I missing something, or is what I'm looking at not a good indication of what I'll get for spending close to 7 bills. Anyone have any insight?


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Gear: Canon T2i, Gripped | 18-55mm IS f/3.5-5.6 | 50mm f/1.4 USM | 85mm f/1.8 USM | 70-200mm f/4L IS USM | 430EX II | Hoya Filters
Wish List: 17-55mm f/2.8 IS USM

  
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PG07
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Nov 08, 2010 03:15 |  #2

I just bought the Sigma you mention and can say it leaves my kit lens for dead in terms of picture quality and build.
It is a great value buy and I am happy :-)

http://www.photozone.d​e/canon-eos/531-sigma1750f28os (external link)


"The poetry of photgraphy will always be more important than mechanics of the camera... you see the picture is taken with the eye,the heart.The most sophisticated camera in the world can never replace this." Jacques-Henri Lartigue
Peter:) canon400D 18-55 , 50mm 1.8,75-300,Sigma 17-50 F/2.8 EX OS HSM , 430EX II ,Lowepro slingshot 200AW. Sony a6000 , Sigma 30mm 1.4 e-mount, 17-50 kit and 55-200 kit.

  
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xarqi
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Nov 08, 2010 05:05 |  #3

PG07 wrote in post #11244921 (external link)
I just bought the Sigma you mention and can say it leaves my kit lens for dead in terms of picture quality and build.
It is a great value buy and I am happy :-)

http://www.photozone.d​e/canon-eos/531-sigma1750f28os (external link)

If your "kit lens" is the 18-55 in your signature, that is hardly surprising.
At a guess, the OP's "kit lens" is the 18-55 IS. That too would leave your "kit lens" for dead.

[Start rant]
Puleeeeeze, everyone - "kit lens" means almost NOTHING! We don't know what lens you happened to buy with your kit. Sometimes we can guess; other times we can't. Did every 350D ship with an 18-55? Maybe. What about the 450D - was the IS lens out by then? I can't recall. How about those that ship with the 28-135 or the 17-85? Easier all around if you just tell us what the lens is by name.
[end rant - normal content resumes]




  
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PG07
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Nov 08, 2010 06:43 |  #4

xarqi wrote in post #11245188 (external link)
If your "kit lens" is the 18-55 in your signature, that is hardly surprising.
At a guess, the OP's "kit lens" is the 18-55 IS. That too would leave your "kit lens" for dead.

[Start rant]
Puleeeeeze, everyone - "kit lens" means almost NOTHING! We don't know what lens you happened to buy with your kit. Sometimes we can guess; other times we can't. Did every 350D ship with an 18-55? Maybe. What about the 450D - was the IS lens out by then? I can't recall. How about those that ship with the 28-135 or the 17-85? Easier all around if you just tell us what the lens is by name.
[end rant - normal content resumes]

...and the Sigma ? Well would it be better than the 18-55 IS ? from your 'experience'? That's the question from the OP...


"The poetry of photgraphy will always be more important than mechanics of the camera... you see the picture is taken with the eye,the heart.The most sophisticated camera in the world can never replace this." Jacques-Henri Lartigue
Peter:) canon400D 18-55 , 50mm 1.8,75-300,Sigma 17-50 F/2.8 EX OS HSM , 430EX II ,Lowepro slingshot 200AW. Sony a6000 , Sigma 30mm 1.4 e-mount, 17-50 kit and 55-200 kit.

  
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spiralspirit
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Nov 08, 2010 06:57 |  #5

the sigma will be sharper than your canon, and it has the added advantage of having a constant aperture. That being said the sigma is much better stopped down to f/4, like most lenses. Also, some people are leery of Sigma lenses because its a 3rd party and has a reputation for loose quality control. As you can see from my signature this isn't something I put too much stock in.


canon 1dmk2* Canon XSi * Sigma 24-70 f/2.8 EX DG * Canon 17-40mm f/4L * Sigma 70-200 f/2.8 EX * Canon 50mm f/1.8 *

  
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xarqi
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Nov 08, 2010 07:02 |  #6

PG07 wrote in post #11245391 (external link)
...and the Sigma ? Well would it be better than the 18-55 IS ? from your 'experience'? That's the question from the OP...

In terms of "dollar-for-dollar value", I'd say not.

Also, now I reread the first post, I'm not sure that WAS the question! It occurs to me that the OP may have made a different error from the one I initially assumed. With talk of replacing the "kit lens", then mention of a non-existent "18-55/2.8", I assumed a reference to the 18-55 IS. It may have been intended to be the 17-55/2.8.

OP - are you seeking comparsons of the EF-S 18-55 IS vs the Sigma 17-50, or between the EF-S 17-55/2.8 IS and the Sigma 17-50?




  
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BuckeyeGuy
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Nov 08, 2010 07:28 |  #7

What I was trying to say was I'm considering replacing my EF-S 18-55 IS f/3.5-5.6 lens with the Sigma 17-50 F/2.8 EX OS HSM lens. I'm trying to figure out if it's worth the money in terms of an upgrade from what I have. Looking at the 100% crops I'm not so sure it's going to deliver a better picture.


_______________
Gear: Canon T2i, Gripped | 18-55mm IS f/3.5-5.6 | 50mm f/1.4 USM | 85mm f/1.8 USM | 70-200mm f/4L IS USM | 430EX II | Hoya Filters
Wish List: 17-55mm f/2.8 IS USM

  
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hieu1004
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Nov 08, 2010 08:41 |  #8

I haven't used the Sigma but I've used the Tamron 17-50, Canon 17-55, Canon 17-40 and all of those are superior to the 18-55mm IS - but they cost quite a bit more. For the dollar value, the 18-55mm IS is a great lens, takes amazing photos, and unless it is hindering you in some way - I would say keep it or save a little more and perhaps get the Canon 17-55mm.


-Hieu
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avantcoreVB
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Nov 08, 2010 10:16 |  #9

I'll put my two cents in and say the Tamron 17-50 2.8 non-VC was a good step up from the kit 18-55 IS. At that short a focal length, I don't find that I miss the IS really.


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mattchapman
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Nov 08, 2010 10:28 |  #10

BuckeyeGuy wrote in post #11245527 (external link)
What I was trying to say was I'm considering replacing my EF-S 18-55 IS f/3.5-5.6 lens with the Sigma 17-50 F/2.8 EX OS HSM lens. I'm trying to figure out if it's worth the money in terms of an upgrade from what I have. Looking at the 100% crops I'm not so sure it's going to deliver a better picture.

I went through the same decision process as you and ordered the Sigma 17-50 from Amazon. It arrives tomorrow so I'll try it out. It should be way better than the kit lens (I also have 18-55 IS) but I was debating as to whether its $250 better than Tamron 17-50 non-VC. I decided to pay the extra for the faster/more accurate/less noisy AF and the VC (or OS as Sigma calls it) which is comes in useful for non-tripod use.


Rebel T2i :: EF 50mm f/1.8 Mk II :: 430EX II

  
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BuckeyeGuy
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Nov 08, 2010 11:59 |  #11

mattchapman wrote in post #11246377 (external link)
I went through the same decision process as you and ordered the Sigma 17-50 from Amazon. It arrives tomorrow so I'll try it out. It should be way better than the kit lens (I also have 18-55 IS) but I was debating as to whether its $250 better than Tamron 17-50 non-VC. I decided to pay the extra for the faster/more accurate/less noisy AF and the VC (or OS as Sigma calls it) which is comes in useful for non-tripod use.

Can't wait to see your response. Now I know who got the 5th one left ;


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Gear: Canon T2i, Gripped | 18-55mm IS f/3.5-5.6 | 50mm f/1.4 USM | 85mm f/1.8 USM | 70-200mm f/4L IS USM | 430EX II | Hoya Filters
Wish List: 17-55mm f/2.8 IS USM

  
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xarqi
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Nov 08, 2010 18:10 |  #12

BuckeyeGuy wrote in post #11245527 (external link)
What I was trying to say was I'm considering replacing my EF-S 18-55 IS f/3.5-5.6 lens with the Sigma 17-50 F/2.8 EX OS HSM lens. I'm trying to figure out if it's worth the money in terms of an upgrade from what I have. Looking at the 100% crops I'm not so sure it's going to deliver a better picture.

In my opinion, no, especially since your main criterion seems to be image quality versus cost, and not, for example, maximum aperture.

I doubt if there is a current EOS/APS-C compatible standard zoom out there that offers better image quality for the money than the 18-55 IS.




  
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BuckeyeGuy
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Nov 10, 2010 23:31 |  #13

mattchapman wrote in post #11246377 (external link)
I went through the same decision process as you and ordered the Sigma 17-50 from Amazon. It arrives tomorrow so I'll try it out. It should be way better than the kit lens (I also have 18-55 IS) but I was debating as to whether its $250 better than Tamron 17-50 non-VC. I decided to pay the extra for the faster/more accurate/less noisy AF and the VC (or OS as Sigma calls it) which is comes in useful for non-tripod use.

Got anything to report?


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Gear: Canon T2i, Gripped | 18-55mm IS f/3.5-5.6 | 50mm f/1.4 USM | 85mm f/1.8 USM | 70-200mm f/4L IS USM | 430EX II | Hoya Filters
Wish List: 17-55mm f/2.8 IS USM

  
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mattchapman
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Nov 11, 2010 00:32 |  #14

Did not arrive until today. :(
Will have some info in a day or so...


Rebel T2i :: EF 50mm f/1.8 Mk II :: 430EX II

  
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mattchapman
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Nov 13, 2010 17:39 as a reply to  @ mattchapman's post |  #15

Sigma 17-50 OS HSM arrived. The lens is heavy and feels solid. Zoom is smooth though the focus ring is a little too close to the zoom for my taste. OS element does rattle slightly like I've heard but its not a problem. No noticeable hum as I heard from others. Focusing is fast and silent but sometimes misses the mark. I found I got better results from switching from 9 point AF to using the single sensor only.

Some handheld pics I took straight out of the box.

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I may order the Tamron 17-50 non-VC from Amazon to compare and then send the loser back. The Siggy is $250 more for which you get OS and HSM. I'm still in two minds as to whether the OS really adds much value at this focal length. Not sure how much the lack of HSM on the Tammy would annoy me with the whirring motor. I'll try it out to compare.

Rebel T2i :: EF 50mm f/1.8 Mk II :: 430EX II

  
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