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10-22-2007, 08:49 AM   #1
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Who makes the best Lens..

Here is another conversation that took place in a different thread and thought it would make for a great discussion...I realize there is a vast difference of opinions and levels of expertise here..I for one consider my self a professional ''amateur'' ..I can therefor only offer my opinions and and share my experience..This is from the other thread.

Well these are my opinions only...
What I have found for example is this...
My Sigma 70-300 lens produces sharper more crisp pics than my 28-300 lens..
It is simply asking the 28-300 lens to do to much...My 70-300 lens sweet spot is 75-280... The sweet spot on my 28mm to 300 is 55-200...
My 135-400 is very sweet from 135 to 380
My Bigma is about 150-430 or so...When you also consider the fact that the bigma is a tank in weight, it makes an even bigger difference..I am a big fellow and I can man handle it fairly well...but I suspect most people will not be able to...My wife who is 5'2'' and weighs 130Lbs can't handle it and she is pretty strong...

I have been wanting to start a comparison thread, so perhaps it is time..
Hope this helps
It is my hope that this thread will save atleast one person some bucks on choosing the right lens..
So my first question is this..
What brand of lens have you found works best with out Pentax Cameras?

As for me, I have found it tough to beat the Sigma lenses..Example.
I have the
Sigma 70-300 ''Good, quick and sharp''
Sigma 70-300 APO ''very good, very fast and sharp''
Tamron 70-300 ''Slow and soft''

I also have the
Tamron 28-300 ''Pretty good, but soft after 200mm''
Sigma 28-300 ''Great, goes soft at about 280mm and cost less''

Any others with similar or opposite views?
Thanks Javier

10-22-2007, 08:54 AM   #2
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I have 3 Sigmas and I am never buying another Sigma again.
Tamron seems better, I guess Tokina is better but you cant get tokina for Pentax at least not current ones.
Best third party brand for Pentax? Cosina. (Voigtlander and Zeiss). Not even fair to compare those to Sigma and Tamron.

But the coming Tamron 70-200 could be interesting.
10-22-2007, 07:11 PM   #3
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Depends on your style of shooting.

People that prefer autofocus will go for lenses like the Sigma, Tamron.

Manual costs a LOT less and quality will vary but are easily up to par if not better at times. But if you are used to autofocus, the change to manual may no go well.

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