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03-04-2011, 03:09 PM   #76
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QuoteOriginally posted by Frogfish Quote
No.

DA* lenses are qualified as *Pro-level* lenses, if that term in it-self actually makes any sense.
I don't think of the DA* lenses as "pro-level". When I think of professional lenses I think of the $2000 and $5000 (and up) lenses that you see on the sidelines of professional sports. You know, the kind of lenses where if you have to ask how much they cost, you probably can't afford them. Don't get me wrong, I know that some of the DA* lenses can rival some pro lenses in optical quality, but I just don't consider them to be in that crazy-expensive pro category.

And while there are surely some pros that use DA* lenses, I would imagine that the vast majority of users are amateurs/enthusiasts/hobbyists.

I just checked Mack's website, and they offer three different lens warranties:
7 Yr Lens Under $1,000

3 Yr Professional Lens Under $5000

3 Yr Professional Lens Under $10,000
So there's a pretty big jump from the $1,000 lens warranty to the $5000 pro lens warranty. And since the 50-135mm can be had new on Amazon for around $850, that should put it into the "Under $1000" category. But those are just my thoughts. You should probably call Mack Camera to make sure.

03-04-2011, 06:04 PM   #77
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I was not sure if I wanted to buy the 50-135mm 2.8 or the 70-200mm 2.8. I have been following the thread for some time and thanks for Mr Froggy, I just placed an order for the Sigma 50-150mm from Ffordes (UK). My decision to buy the Sigma 50-150mm was swayed by the weight of the lens and the cost. I could not justify the 2x price for the DA 50-135mm even if it was slightly(my subjective opinion) better than the Sigma.
03-04-2011, 07:13 PM   #78
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QuoteOriginally posted by belrosevj Quote
even if it was slightly(my subjective opinion) better than the Sigma.
The relative image quality of the lenses is debatable. I think they're both excellent. What's not debatable is the dramatically faster autofocus of the Sigma.

I hope you enjoy yours as much as I've enjoyed mine so far. I just wish I could have gotten the same price you did!
03-04-2011, 08:27 PM   #79
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Not the best photo, but I'm pretty happy for the poor lighting found in a pool hall... I would like to try the Sigma to compare...



03-05-2011, 03:40 AM   #80
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Some from the Sigma 50-150/2.8 II...













Not bad for a lens nearly half the price of the DA*50-135
03-05-2011, 07:07 AM   #81
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I've just purchased a Sigma 50-150, it's still available in Europe. Much lower price, faster and reliable AF, 3 times longer warranty - it was a "no brainer" to buy it instead of 50-135.
Only took a couple of shots with it, so far I'm satisfied. It could lock focus on my little daughter running toward me from 6 meters away, something the DA* 16-50 couldn't do with it's slow SDM. Focus is spot on and doesn't require adjustment, IQ seems to be on par with the DA*.
03-05-2011, 08:35 AM   #82
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QuoteOriginally posted by simico Quote
It could lock focus on my little daughter running toward me from 6 meters away, something the DA* 16-50 couldn't do with it's slow SDM.
I wish my K-x could do that trick! This is the exact reason why a K-5 is in my future. The K-x is great, but when the action gets fast it can have a hard time keeping up.
03-05-2011, 09:06 AM   #83
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Gorgeous shots Vincent ! The ballooning shot is sensational (though I would clone out the wires at the bottom), and it's also a great portrait lense as that beautiful girl shows.

I can't wait for mine to arrive (I guess about another 2-3 weeks before my wife's friends deliver it) !

03-05-2011, 05:24 PM   #84
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QuoteOriginally posted by Edgar_in_Indy Quote
I wish my K-x could do that trick! This is the exact reason why a K-5 is in my future. The K-x is great, but when the action gets fast it can have a hard time keeping up.
Don't think I can justify a K5, but maybe a K7 is in my near future!
03-06-2011, 06:17 AM   #85
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I will go for the 50-135 I also think that pentax-users seem to be paranoid sometimes.

The Flash and stain issue for instance. The stain issue is solved and so is the Flahs issue since the recent Pentax AND Metz update - it was not just a Pentax error

The DA 50-135 is also water resistant and that could be handy some times. I recently did some street photography and noticed, that 80 +/- mm is a very good option for that. Since then I realized the 50-135 is perfect for that even if it might rain

Even if the 50-135 does not work perfect with any HSM/SDM converters it is reported to work great with the AF 1.7 Pentax TC I own.

For me it is just a question of time. The only downside I see is if Pentax is releasing a update to the SDM drive being faster, that I do not expect as there are other lenses they could bring out new...

Here some pictures on flickr (not from me) that show the great IQ and Bokeh of the 50-135 that convince me


Last edited by vespats; 03-06-2011 at 06:25 AM.
03-06-2011, 09:57 AM   #86
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I also debated on whether i should risk buying a used 50-135mm, but ended up buying it anyways and just loving it. I don't know how fast HSM is on the Sigma 50-150mm or the AF speed on the tamron 70-200, but in practically all lighting conditions, the SDM works quicker than what I expected. I probably will have to try out the other offering to really have a good comparison on the AF speed, as of now though, the SDM is no issue at all.

Definitely not as good as Vincent's offering, here's some of the photos I shot with the 50-135m





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