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07-19-2008, 03:42 PM   #1
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So ,since o 60-250 yet....

I need a long lens.....was thinking about the sigma 70-200. Good or bad choice????

07-19-2008, 08:57 PM   #2
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How long a lens, and which long lens, depends on 1) what camera it's going on, and 2) how much money you want to spend. Are you considering the Sigma 70-200 for a film or digital SLR? I recently bought a K20D with just three Pentax lenses: the DA 10-17mm, the FA 50/1.4, and the DA 18-250mm. The latter 'walkaround' baby sits on the camera most. It's not the fastest, with apertures of 5.6-6.2 in the 70-200 range. It's not the cheapest; I paid US$430 +S&H from Beach Camera. But it's lightweight and handy for almost all casual occasions.

For considerably less (US$121 incl/S&H) on eBay I got a used Pentax FA 100-300mm f/4.5-5.6. It's lightweight, and slightly faster than the 18-250. I'd been using another eBay special, an old Promaster 60-300 f/4.0-5.6, about the same speed as the Pentax 100-300 and maybe slightly crisper, but a much heavier chunk of glass and metal, 610g vs 380g. And it was rather inexpensive.

The Sigma 70-200 is undoubtedly a good lens, but I haven't tried it, so you'll have to await other informed opinions. But consider your cash situation, then look at the Pentax DA and FA lenses, new and used. They are actually pretty good deals.

Hey, I'll sell my Promaster Spectrum 7 MC Auto Macro Zoom 60-300mm for just US$35 +S&H. Push-pull zoom, manual focus, auto aperture, KAR mount, made in Japan, very clean. "ProMaster lens are rebadged Sigmas or Tokinas, usually a generation behind the current version. " So says someone on a Canon forum. I'll list the Promaster on eBay in a few days, so now is your chance!
07-19-2008, 09:07 PM   #3
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check out the review here
Just posted! Sigma 70-200mm F2.8 lens review: Digital Photography Review
and compare it to the Tamron Tamron SP AF 70-200mm Di LD (IF) Macro Lens Review: 1. Introduction: Digital Photography Review

however both are not yet available for Pentax mount, however you can get older versions of the Sigma with the NON-macro being higher quality
07-19-2008, 09:30 PM   #4
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The new Sigma and Tamron 70-200s are lenses to look out for - price range of $700-800 compared with Canon and Nikon's versions priced well over double that. Different league to the superzooms and consumer telezooms.

Never had one, but will be looking out for one when released. Would be interesting to hear from those who have had experience with the older 70-200s on a Pentax...

07-20-2008, 05:03 AM   #5
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The big choice in my mind will not be between the Sigma and Tamron 70-200 lenses (DPreview calls it a toss-up) but between one of them and the soon-to-be-released (?) Pentax 60-250. Assuming that the 60-250's IQ is equal or better than the 55-300's, I may just go in that direction rather than for one of the 70-200's. The weight of the lens will also figure into my choice. I have a Bigma, and that is not something I want to carry around all day.

CN
07-20-2008, 06:18 PM   #6
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The lens is for a k10d. I have a lacrosse tournement coming up, and didn't want to wait for the 65-250. I was hoping that the sigma was a pentax mount. I really want to wait for the 250 pentax, and didn't want to jump the gun and buy the 50-135, but i'll guess i'll wait.
07-20-2008, 08:00 PM   #7
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a couple thoughts-

if you are hoping/requiring the better speed/IQ, why not rent something like the 200mm and 300mm lenses for the tournament. since i think not even the sigma or tamron options are really out yet, those two should do you well, assuming you need the reach. never shot those kinds of sports...
otherwise, I would say grab the 55-300. not as fast, but getting glowing reviews. and i am sure if you got it and then wanted to sell it when the 60-250 does release, moving it won't be hard
07-21-2008, 05:42 AM   #8
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QuoteOriginally posted by jmdeegan Quote
a couple thoughts-

if you are hoping/requiring the better speed/IQ, why not rent something like the 200mm and 300mm lenses for the tournament. since i think not even the sigma or tamron options are really out yet, those two should do you well, assuming you need the reach. never shot those kinds of sports...
otherwise, I would say grab the 55-300. not as fast, but getting glowing reviews. and i am sure if you got it and then wanted to sell it when the 60-250 does release, moving it won't be hard
hhmm ,thank you, maybe i'll try that. Since I only have one body ,I wanted a lens that is a little more versatile. but i'll check out the 55-300, thanks

07-21-2008, 10:05 AM   #9
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after some searching around, I think I may have settled on the sigma 100-300. I was looking at the 50-500 as well. I might take a trip to my local camera shop and see what they have to say. Maybe they have a few I can play with.....
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