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07-27-2011, 09:02 PM   #1
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Sigma 17-50mm f/2.8 EX DC OS HSM Lens Samples

Here's to start off the lens sample photo archive for the Sigma 17-50mm f/2.8 EX DC OS HSM:

















07-02-2012, 10:36 PM   #2
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These are from Sigma 17-50mm EX DC HSM (non OS, but the same optics anyway)

















07-02-2012, 10:48 PM   #3
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It's not the same optics - the newer OS version incorporates the FLD elements (groups may also be different, can't check on mobile to verify).
07-02-2012, 10:59 PM   #4
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The version with OS also has FLD elements (13 groups/17 elements). https://www.pentaxforums.com/reviews/pentax-16-50-vs-sigma-tamron-17-50mm/introduction.html
I think these two lenses would be the same except for OS. This new lens was released in Dec. 2011 for Sony and Pentax mounts due to OS availability in these two systems. That is what I know. If you find something else, please share with me. Thanks.


Last edited by hiep2503; 07-02-2012 at 11:14 PM.
07-03-2012, 06:07 AM   #5
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post more pics please! this is my next target zoom, btw, which would be a better buy? the one with OS or non-OS?
07-03-2012, 06:19 AM   #6
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Sigma no longer manufactures OS lens for Pentax and Sony mounts since Dec. 2011 so maybe it is hard to find one new. What I heard is that OS lens made a sound like something broken inside due to its OS elements. Moreover, it would drain battery more quickly too. However, it would be very helpful if you use OS lens for video because your OS of camera is turned off when using video.
I have owned this non-OS lens for a week, so I haven't taken many photos yet. But I am very happy with this lens and its results so far. Great buy.
Note: 47st.photo on ebay has lowest price for most Sigma lenses, I bought this lens from them for $619. But be careful if you wish to buy from 47st.photo. For whatever reason such as you change you mind or defective lens, you want to return a lens, they would charge you 15% restocking fee despite their 14 days return policy indicated in the listing. In this case, you have to work with ebay staff to get your full refund back.
Anyway, here is some more photos with non-OS lens



















Last edited by hiep2503; 07-03-2012 at 06:47 AM.
07-03-2012, 07:38 AM   #7
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QuoteOriginally posted by hiep2503 Quote
If you find something else, please share with me. Thanks.
No, your right, I got confused and was thinking the old 18 design as opposed to the 17mm design.
08-14-2012, 07:54 PM   #8
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Couple more shot recently at noon time.



















04-29-2013, 02:05 AM   #9
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Does anybody have really low light shots with this lens, with and without PP, for comparison?
05-14-2013, 12:23 PM   #10
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My Sigma as general purpose walk around lens during my last trip to China.

Pentax K-5 ,Sigma 17-50mm F2.8 DC Macro EX OS HSM
1/60s f/6.3 at 40.0mm iso800


Pentax K-5 ,Sigma 17-50mm F2.8 DC Macro EX OS HSM
1/125s f/6.3 at 50.0mm iso400


Pentax K-5 ,Sigma 17-50mm F2.8 DC Macro EX OS HSM
1/125s f/3.5 at 50.0mm iso320


Pentax K-5 ,Sigma 17-50mm F2.8 DC Macro EX OS HSM
1/500s f/5.0 at 29.0mm iso200


Pentax K-5 ,Sigma 17-50mm F2.8 DC Macro EX OS HSM
1/5s f/5.0 at 23.0mm iso1000


Pentax K-5 ,Sigma 17-50mm F2.8 DC Macro EX OS HSM
1/800s f/2.8 at 29.0mm iso500



...more shots from China trip
04-30-2014, 09:56 AM   #11
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Stay tuned. I just found this thread, and i'll be posting some samples soon. This is my primary walk-around lens. I plan to take it to Walt Disney World at the end of May. Should have some good stuff to post.
09-24-2014, 11:53 AM   #12
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Sigma 17-50mm f2.8 EX DC HSM (Pentax)

I am quite happy with this lens espcially at 17mm. I slightly prefer my Pentax 50mm f1.8 over this Sigma at 50mm.

K-30 17mm iso160 f8 1/50s
09-08-2016, 06:34 AM   #13
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Also my walk-around lense. Not very expensive, nice IQ. Maybe a tad heavy, but I don't know how that compares to the Pentax 16-50.

ƒ/2.8 25mm 1/500 Iso 100


ƒ/8 17mm HDR(1/100, 1/400, 1/1600) Iso 100
02-19-2021, 04:09 PM   #14
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Hey, wake up old thread! I'll have some photos incoming soon.
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