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08-06-2010, 10:34 AM   #1
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Tamron 17-50mm .. is it REALLY worth it?

Hey guys...

I picked up the Canon Rebel T1i just to see what the fuss was all about by that camera. My K-x CRUSHES this Canon for outdoor autoexposure. The Canon always typically over exposes..... yuuuuuck.... enough said.

HOWEVER .... I was awstruck as to how the kit lens (18-55) blew my K-X out of the water......and into the next state . Razor sharp through the entire range. A vastly noticiable improvement over my K-x kit lens. The resolving power was amazing. BTW although I don't intend on buying that Canon ... and do intend on keeping my K-x .... I must say, I am very very impressed with the quck and deadly accurate AF of that big ugly plastic Canon..... and it doesn't seem to suffer from focusing inaccuracies by focusing close range in incandescent light....like my K-x woefully does.

Here's my question to you guys. If I pickup the Tammy 17-50 ... will THAT lens on MY K-x produce the same wow factor? OR .. how much does the tack sharp IQ of the Canon have to do with it's 15mpx sensor?

I'd hate to commit to spending $500 to chase a ghost.

08-06-2010, 11:08 AM   #2
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The Tamron 17-50 f2.8 is an excellent lens. My daughter has one for her Canon 40D and it delivers excellent images quality (at 10.1mp too). I think the Pentax DA*16-50 is better but you won't go wrong with the Tammy either.
08-06-2010, 11:08 AM   #3
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tammy 17--50 is already very very sharp even at 17mm wide open. It currently sells for $460-$45 rebate, so absolutely worths every penny. bad thing is that you may have to buy several copies to find a good one. considering DA* 16--50 is only $200 more, you may want to buy the DA* instead.
08-06-2010, 11:11 AM   #4
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QuoteOriginally posted by blackcloudbrew Quote
The Tamron 17-50 f2.8 is an excellent lens. My daughter has one for her Canon 40D and it delivers excellent images quality (at 10.1mp too). I think the Pentax DA*16-50 is better but you won't go wrong with the Tammy either.
From what I understand the only thing that the 16-50 has over the 17-50 is the Weather Sealing. IQ-wise I think they are indistinguishable.

08-06-2010, 11:21 AM   #5
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I'm thinking about picking up the Tamron, The lowest [new] price I've seen for the 16-50 is about 750, and with it's stock status on hiatus and the SDM murmurings it scares me

The Tamron seems like the best bang for the buck, I'd just hate to return my DA 15 to get it

Also am I the only one who is very surprised about the testimonial of Canon's kit lens? I actually avoided getting a Canon twice because I heard the kit lenses are absolute garbage at best and up until recently was pretty reliant on the kit lenses

Last edited by future_retro; 08-06-2010 at 11:43 AM.
08-06-2010, 11:34 AM   #6
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QuoteOriginally posted by shang Quote
bad thing is that you may have to buy several copies to find a good one.
Please explain.....in detail. (Now I'm going to be sick)
08-06-2010, 12:38 PM   #7
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I have the Tamron 17-50 f2.8 on my K10 and it's my primary lens, and I love it. The IQ is great and color rendition is also very good. In the U.S. the Tamron lenses have a six year warranty, that is one of the reasons I bought it instead of the Sigma.

I don't know What shang is referring to about bad copies. Mine is perfect. I haven't heard of anyone getting a bad copy, however any lens from any manufacture can come out with an issue now and again.
08-06-2010, 12:55 PM   #8
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How about the the recently announced (and seemingly available) Sigma 17-50mm f/2.8 EX with OS/USM/SDM, whatever?

08-06-2010, 01:07 PM   #9
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Moved to Lens forum.
08-06-2010, 01:18 PM   #10
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It's a fantastic lens--just check out The Tammy Club thread for plenty of evidence.

I'm selling mine right now in the forum for substantially less than the figure you quoted (albeit with a few non-IQ-related issues). It's been sharp from the get-go on my K-7 and K-x. PM me if you're interested.
08-06-2010, 01:22 PM   #11
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QuoteOriginally posted by Nightwings Quote
Please explain.....in detail. (Now I'm going to be sick)

sorry, I don't know about the canon version. For pentax version, tammy 17--50 suffers from front or back focus problems. Especially considering that k-x doesn't have the in camera focus adjustment function... BUT, if you can try it out in a store that has many copies in stock, then i believe that you will certainly find a good copy, and a good copy will make you WOW.

Maybe it's because of my bad experience... i bought 3 of them all of which had severe front focus problems, and i gave up and bought the 16--50 da*. As Jim said, for k-10d the tammy is usually perfect. Bad copies happen on k-x or k-7 bodies, since these bodies are new.

@future: AbesofMaine's price of the da* is $689-$15 coupon =$674, which is very good.

Last edited by shang; 08-06-2010 at 01:28 PM.
08-06-2010, 01:45 PM   #12
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The Tamron 17-50/2.8 is without a doubt a far superior lens than the 18-55 kits lenses from Pentax. Moreover, compared to very similar lenses at similar price points, is the clear winner for a step-up kit lens replacement. This of course is my opinion, but having owned several Pentax 18-55's over the past few years and having compared the Tamron 17-50 against some close competitors, I find it the best one out there. Getting back to the original question, is it worth it....Yes. One great attribute to the overall value of this lens is, you can pick one up for around $300-350 used in the forum market place or buy one new very reasonably priced. Fantastic choice.

Jason
08-06-2010, 04:12 PM   #13
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I think there is a Sigma equivalent to the Tamron 17-50 f2.8 with the added advantage of Macro capabilities not available in the Tamron 17-50 f2.8
08-06-2010, 04:21 PM   #14
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The Tamron focuses quite close, though it doesn't advertise itself as a macro lens. 10in for the Tamron vs. 8in for the Sigma.
08-06-2010, 04:23 PM   #15
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QuoteOriginally posted by deadwolfbones Quote
It's a fantastic lens--just check out The Tammy Club thread for plenty of evidence.

I'm selling mine right now in the forum for substantially less than the figure you quoted (albeit with a few non-IQ-related issues). It's been sharp from the get-go on my K-7 and K-x. PM me if you're interested.
This is one lens with quality control issues, so it's one case where I'd rather have a proven used copy than a new one.

I'd be running over to the marketplace and picking up deadwolfbones' Tammy now! Of course, I kind of think his feedback score is perfect as it is.... (77)
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