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06-22-2008, 08:46 AM   #1
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new Pentaxian needs opinions about the Sigma 24-70mm f/2.8

as the title says is this lens good? if not please give me recommendations.

here are my current lenses

DA 18-55mm II
DA 50-200mm
FA 50mm F1.4

thanks

06-22-2008, 09:31 AM   #2
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I can't comment on this lens directly but will offer a possible alternative. The Tamron 28-75XR Di f2.8. A great lens in all respects and a large number of members here have this lens. It's about as good as you can get in this range. I think it's also lighter than the Sigma version as well. Edit :510Gr vs 715 for the Sigma.

Some sample Sigma shots:
Sigma 24-70mm f/2.8 EX DG ASP DF Lens Sample Photos and Specifications

Sigma specs:
PentaxForums.com Third-Party Pentax Lens Review Database - 24-70mm F2.8 EX DG MACRO (AF Lens)

Some sample Tamron shots:
Tamron SP AF 28-75mm f/2.8 XR Di LD (IF) Lens Sample Photos and Specifications
Tamron Specs:
PentaxForums.com Third-Party Pentax Lens Review Database - Macro SP AF28-75mm F/2.8 XR Di LD
06-22-2008, 10:47 AM   #3
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I don't have this lens, but I've read many good reviews about it. However, the reason that I got Tamron 28-75mm at last are the size and weight.

If you don' t care that much about the size and weight, 4mm wider on Sigma would be a great plus compared to Tamron A09.
06-22-2008, 12:07 PM   #4
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QuoteOriginally posted by WhiteComet Quote
as the title says is this lens good? if not please give me recommendations.

here are my current lenses

DA 18-55mm II
DA 50-200mm
FA 50mm F1.4

thanks
It turned out to be a nice contrasty sharp lens on the Canon 30D i used mine on, keep the kit lens for stopped down wide angle shooting, you will miss 18-24mm otherwise. For most situations it turned out to be a nice range and image quality finally satisfied me on the 30D.

06-23-2008, 05:05 AM   #5
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Original Poster
thanks for the replies guys! i decided to get it. since the tamron isnt available in my area then Im just gonna get the Sigma instead. will post a newbie review soon after my vacation in Winnipeg.
06-23-2008, 08:23 AM   #6
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You'll love it, I have one for my other system and it's great.
06-23-2008, 08:52 AM   #7
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Long term lens plans

I guess the real question is what are your long term lens plans.

The sigma 24-60 F2.8 and 24-70 F2.8 are both good fast full frame lenses, as is the tamron 28-75 F2.8 also mentioned in this thread.

I would advise you to think about what else yoou are going to get, and how you will "fill the gaps" if any.

I looked at all 3 mentioned lenses, and ultimately went for the tamron.

In doing so, I have a gap from 20mm (my sigma 10-20) and 28mm. I use the Pentax 18-35 FA-J kit lens from my *istD to fill this gap, although I have found it is my least used lens when I travel.

Beyond 70mm, I have a sigma 70-200 F2.8, and often wondered if the gap from 60-70mm would be a problem when I considered the 24-60.

I think the biggest issue with the 34-70 is filters, they are big. Right now, I only have two filter sizes with my 4 main zooms, 77mm on the 10-20 and 70-200 and 67mm on my 28-75 and 18-35.

This limits what I need to buy, to two ranges. the 24-60 is also 77mm.
06-23-2008, 10:10 AM   #8
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Start saving up for filters! The Sigma takes much more costly 82mm filters, while the Tamron uses 67mm ones. That should also tell you something about the relative difference in size of these lenses.

06-23-2008, 02:27 PM   #9
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thanks for the reply guys, I wil keep my 18-55 kit lens then. and yes Miserere! 82mm Filter prices are crazy lol.
06-23-2008, 03:37 PM   #10
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Here more reviews of both lens

Sigma 24-70 f2.8 EX DG Macro & Tamron 28-75 f2.8 XR Di Macro Photo Gallery by lightrules at pbase.com

Regards
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