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08-28-2008, 09:51 AM   #1
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Sigma EX DG 24-60mm....WOW!

Holy crap this lens is friggin' sharp!!!

The reviews I've read on this lens were pretty good. No way did I expect it to be this good!

With my anticipated purchase of the DA*50-135, I've been looking for a constant 2.8 short zoom. The 24-60 was on my short list, along with the Tamron 17-50/2.8, Tamron 28-75/2.8, and Sigma 18-50/2.8 DC Macro. I didn't really consider the DA*16-50 not because of any QC concerns, but more because of the price. I've seen enough samples from the other lenses that led me to believe that the value would be in one of them as opposed to the 16-50.

When this particular lens (24-60mm) appeared in the Marketplace a few days ago, I wasted no time snapping it up. It arrived yesterday in time for my daily lunchtime photowalk. The pics looked great in the viewfinder, but it wasn't until I looked at them on my laptop that my jaw dropped. This lens a VERY sharp at 2.8 and wickedly sharp from 3.5 and up.....and I mean wicked sharp!

I'm not good at these lens test pics so please bear with me. Here are some shots taken wide open at F2.8 with 100% crops. I did some light USM when resizing the originals, but the crops are untouched.

















Bokeh isn't bad either...





08-28-2008, 09:56 AM   #2
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Needless to say, I'm extremely happy with this lens. I didn't want to bore anyone with brick wall test shots, but the corners are sharp even wide open. Bokeh is pleasing to my eye, especially on objects that are far away from the focal point. I'm going to miss with 17-24mm range that I got with the Sigma 17-70.....a newly acquired DA14 should take of the wide end. I have a pretty big gap between 14mm and 24mm, but that's something I can live with.
08-28-2008, 10:21 AM   #3
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Looks like you got yourself a very sharp lens. The pics look very good on my monitor too. Congratulations.
08-28-2008, 10:30 AM   #4
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Thanks for sharing! I currently have a DA 12-24 and an FA50/1.4, and was considering a walkaround zoom. This looks to be high on my list given the price.

08-28-2008, 11:11 AM   #5
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60mm @ f2.8 - testing BF/FF - tungsten light - 100% crop after Adobe Camera Raw - no PPing




beautiful, right ?
08-28-2008, 11:14 AM   #6
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but the same @ 24mm / f2.8


Last edited by deejjjaaaa; 08-28-2008 at 11:20 AM.
08-28-2008, 11:47 AM   #7
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ОК... how about AF = -4... let us see

24mm @ f2.8 =




40mm @ f2.8 =




60mm @ f2.8 =

08-28-2008, 12:03 PM   #8
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QuoteOriginally posted by deejjjaaaa Quote
but the same @ 24mm / f2.8


I have never tested for FF/BF on any lens, but if I understand what you are doing here, it is front focusing in this pic. Correct?

08-28-2008, 12:06 PM   #9
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ОК... how about AF = -2...

24mm @ f2.8 =



40mm @ f2.8 =



60mm @ f2.8 =


08-28-2008, 12:13 PM   #10
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QuoteOriginally posted by cardinal43 Quote
it is front focusing in this pic. Correct?
front focus = your focus is closer to you than it must be (before the
actual target)

back focus = your focus is further away from you than it must be (behind the actual target)
08-28-2008, 12:23 PM   #11
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what is the verdict ? should we go for "-3" ?
08-28-2008, 01:24 PM   #12
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Wow, that sucks. Is it still under warranty?

I tested mine (didn't bother posting pics)......it's perfect.

17-70 hits the Marketplace this weekend! Time to start gearing up for the 50-135.
08-28-2008, 01:43 PM   #13
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QuoteOriginally posted by maxwell1295 Quote
Wow, that sucks. Is it still under warranty?

I tested mine (didn't bother posting pics)......it's perfect.
then you have a good combo (lens + body) - provided that you tested under the daylight and under the tungsten light and got no difference
08-28-2008, 01:55 PM   #14
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Yep, I tested under both and it's fine. I know the body is good because it's perfect with my other lenses. I have a 2nd K200D body that I had to send to Pentax for a FF adjustment. No way would I be able to shppt at 2.8 with that one. We'll see once it gets back. I hope you get yours sort out because it's a really good lens. Not much range on either end, but it's very good within that limited range....which is all I need it to be.
08-28-2008, 02:34 PM   #15
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QuoteOriginally posted by maxwell1295 Quote
Yep, I tested under both and it's fine. I know the body is good because it's perfect with my other lenses. I have a 2nd K200D body that I had to send to Pentax for a FF adjustment. No way would I be able to shppt at 2.8 with that one. We'll see once it gets back. I hope you get yours sort out because it's a really good lens. Not much range on either end, but it's very good within that limited range....which is all I need it to be.
Congrat.
Maybe after you settle down you can post something in this thread about the lens

myLBA, Sigma DG 24-60mm 1:2.8 EX, many pics: Pentax SLR Talk Forum: Digital Photography Review

Other users' input

Sigma 24-60mm EX DG - Pentax Lenses - Digital SLR Cameras - Steves-digicams.com Forums

It is known to be a very formidable and affordable alternative in this key FL range



Daniel
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