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01-27-2008, 04:38 AM   #16
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Its number 1 camera item purchase for me now that 60-250 has been pushed back with no known release date (I was much keener on a f2.8 anyway). But I want to see how good it is before I buy (hopefully very good given it is an sp and 70/80-200 and generally very good for any brand).

Phil

01-27-2008, 05:29 AM   #17
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QuoteOriginally posted by ramzey Quote
Is there lucky man who have it already?

I thinking about buying this lens and pair it with teleconverter. Here is my dilemma, x1.4 or x2. or mby both.
Should i stick to tamron teleconverter or i can use any of pentax telephoto converters for it?.
As for my primary use 70-200 will be used to "shoot" people (that why i need it for good DOF control), secondary airshows (200mm is little short for that, im not sure it will work well with x2) or mby stick to other telephoto lens like bigmo?

your thoughts guys?
Did you have a look at the Sigma 70-200mm f2.8 + 2.0 converter combination?
It's on my wishlist....

It has a good review at slrgear.com: Sigma Lens: Zooms - Sigma 70-200mm f/2.8 EX DG HSM APO (Tested) - SLRgear.com!
And the Sigma K mount 1.4 and 2.0 converters do support AF with this lens. Sigma - Lenses - Teleconverters
However, no HSM for Pentax....

Perhaps there is somebody around with this combination, that likes to respond?

- Bert
01-28-2008, 01:00 PM   #18
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We now know what date it'll be after... TAMRON | News | Announcement of the launch date for three DiII lens series exclusively for APS-C size format and a Di lens series for both APS-C and film format

(i.e. "Canon: March 7, 2008 - Nikon, Pentax and Sony: to be determined")
01-28-2008, 05:01 PM   #19
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Does the "Di" on the Tamrons mean APS-C only? Or is it the "LD", or something else?

01-28-2008, 05:10 PM   #20
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Doesn't matter - Di II = APS-C size.
01-28-2008, 05:21 PM   #21
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Yep, Di=Digital coating, still fullframe compatible (like Sigma's DG)
Dii = reduced image circle for cropped sensors only (like Sigma's DC)

So the 70-200mm will be full frame compatible (just like it's little brother the 28-75mm)
01-28-2008, 10:51 PM   #22
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It's on my list, I am not a prime lens user, I like the versatility.
01-29-2008, 03:22 AM   #23
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QuoteOriginally posted by bymy141 Quote
Perhaps there is somebody around with this combination, that likes to respond?
well, I am a user of the Sigma 70-200/f2.8. the lens is fine and is rather sharp. I am not sure if mine focuses as accurately as I like it, but I will try and get that focus adjusted when I get the K20D.

With regards to using a converter... I have a Sigma 2x converter with it. In good light it works very well, but in dimm light its seems a little less sharp and autofocus tends to do a lot of hunting (on the K10D at least).

If you want to use it at airshows, I think you would be a very happy bunny on this combination - fast focus, sharp, ability to frame quickly using the zoom, and its still 'handholdable' (I hardly use a tripod anyhow, but people with weaker arms may want to).

02-07-2008, 03:09 AM   #24
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Tamron, is on my list and maybe the 60-250 also but it really comes out to the tests when theyre finally available.
02-08-2008, 11:41 AM   #25
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Has anybody thought of how much this lens would cost? the Sigma 70-200 2.8 is listed for $1100 (Henrys); $980 (Adorama). Any chance that it might cost around $600-$700 (my budget price)?
02-08-2008, 01:50 PM   #26
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QuoteOriginally posted by Tingchaleun Quote
Has anybody thought of how much this lens would cost? the Sigma 70-200 2.8 is listed for $1100 (Henrys); $980 (Adorama). Any chance that it might cost around $600-$700 (my budget price)?
i think adorama had it listed at about $700
02-08-2008, 02:52 PM   #27
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I see there is a Sigma on Ebay
SIGMA APO 70-200mm f/2.8 EX DG for Pentax SLR Clean!! - eBay (item 320214491540 end time Feb-09-08 22:30:00 PST)
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