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02-04-2010, 08:39 PM   #1
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New to DSLR - what are goog and not so god lens makers$

Hi,

I own a Sigma 17-70mm f2.8-4.5 lens and am very satisfied with it so far. However, I am looking to broaden my reach up to 200mm or 300mm with a zomm lens. Looking at 70-200mm to 70-30mm, to have the complete reange from 17mm to 200mm or 300mm. I'll eventually get to fixed lenses whent I will have determined my "profile" as a picture taker...

So, to the point, are all lens companies equal in quality. Is a Sigma, Pentax, Cosina, Tamron, Tokina, all pretty much equal in same price range or are there any companies well known for great or poor B.Q.?

02-04-2010, 09:09 PM   #2
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They all make both great and non-so-great lenses. See the lens review section of this site for help sorting out which are which. And see lots of previous threads in this forum on the subject of telephoto zooms in general.
02-04-2010, 10:35 PM   #3
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If you're still making out which focal you need, get either
Tamron 70-300
Pentax 50-200
Pentax 55-300

All well regarded for their price The much pricier stuff are better but also larger and heavier... (sigma 100-300, tamron 70-200)
02-05-2010, 07:09 AM   #4
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...and if you are budget-conscious, you can always find some older manual-focus lenses, such as the Tamron Adaptalls and earlier Pentax lenses.

Mike

02-07-2010, 08:33 AM   #5
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QuoteOriginally posted by Stringmike Quote
...and if you are budget-conscious, you can always find some older manual-focus lenses, such as the Tamron Adaptalls and earlier Pentax lenses.

Mike
Tis is a good idea but before that, also try to think of what you're shooting. At 200mm the focus throw would be pretty large and hard to focus quickly with accuracy when shooting subjects that changes distance / shooting candids.
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