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03-11-2009, 07:42 AM   #1
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Just how does the Pentax DA* range fare against the Canon L range?

of particular interest in within the same price range like f/2.8 70-200L vs DA* 300mm...

in the above situation, is Prime lens IQ still superior to Zoom lens IQ?


Last edited by Reportage; 03-11-2009 at 11:15 AM.
03-11-2009, 07:45 AM   #2
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the DA*300 sucks really bad in the 70-200 range.


they are both good lenses, you are not going to be seeing night and day differences between Pentax and Canon glass selection.
03-11-2009, 07:55 AM   #3
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Also, a good prime will always be better than a good zoom. Period.
03-11-2009, 07:59 AM   #4
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QuoteOriginally posted by kristoffon Quote
Also, a good prime will always be better than a good zoom. Period.
when i tested my DA21 vs my sigma 10-20, the sigma won.

03-11-2009, 08:07 AM   #5
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QuoteOriginally posted by Gooshin Quote
the DA*300 sucks really bad in the 70-200 range.
That made my morning.
03-11-2009, 09:59 AM   #6
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QuoteOriginally posted by Gooshin Quote
when i tested my DA21 vs my sigma 10-20, the sigma won.
Which is why the 21 and 15 are about the only WA primes that make sense to me. At least they are portable. A prime is essentially at it's 'widest' setting and distortion is REALLY hard to control, the 12-24 at 21mm shows less distortion than my 21 but carrying them is a very different experience.
03-11-2009, 10:14 AM   #7
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QuoteOriginally posted by kristoffon Quote
Also, a good prime will always be better than a good zoom. Period.
I think that's true on Pentax, not sure about other mounts. A friend who shoots Nikon says that Nikon has put more focus onto their zooms, so their primes typically aren't as good as their zooms...

How that compares to Pentax glass? I think Pentax primes generally have better IQ than any Nikon/Canon glass.
03-11-2009, 10:30 AM   #8
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QuoteOriginally posted by Reportage Quote
of particular interest in within the same price range like 70-200L vs DA* 300mm...

in the above situation, is Prime lens IQ still superior to Zoom lens IQ?
Well, I'd pit the DA* 50-135 against the Canon L 70-200. Not the DA* 300 as that is a different type of lens.

I've used the DA* 50-135 and it is nothing short of amazing. The Canon L 70-200 also has that reputation however, I have not used it. There are 4 types of L 70-200. A f/4 non-IS, a f/4 with IS, a f/2.8 non-IS and a f/2.8 IS. The price ranges from $600 to $1800 between those 4 models. The DA* is $900ish (all Canadian $). To add, all are sharp, the L 70-200 f/4 IS is probably the best 'value' and is extremely sharp. It all boils down to what your needs are and then buying the best you can afford.


Last edited by ajuett; 03-11-2009 at 10:37 AM.
03-11-2009, 10:45 AM   #9
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The DA50-135 should be pretty similar to the tokina version, IQ wise. So I checked the photozone review of the Tokina 50-135, the Canon 70-200/4 IS and 70-200/2.8 IS. Seems the Tokina beats the 70-200/2.8 IS hands down but loses to the 70-200/4 IS toward the longer end of its zoom range.
03-11-2009, 10:51 AM   #10
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QuoteOriginally posted by cousinsane Quote
The DA50-135 should be pretty similar to the tokina version, IQ wise.
Why would the Tokina and the Pentax be "pretty similar"?
03-11-2009, 10:56 AM   #11
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From photozone review of the tokina

"The Tokina AF 50-135mm f/2.8 AT-X Pro DX is the product of the cooperation between Tokina and Pentax which are now subsidiaries of the same company - it is an interesting thought that Pentax (co-)designs are now also available to users of other systems (Canon and Nikon). Nonetheless the Tokina is not identical to the Pentax variant of the lens - mechanically at least. "

Tokina AF 50-135mm f/2.8 AT-X Pro DX - Test Report / Review

QuoteOriginally posted by mrt10x Quote
Why would the Tokina and the Pentax be "pretty similar"?
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