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04-19-2010, 06:36 AM   #16
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Sorry about that Marc

I put it in that section because iwas indirectly asking about camera bodies, but I did get some really great information on the Pentax lenses to digest.

04-19-2010, 06:53 AM   #17
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What about the Sigma 70-200mm f2.8 ... Superb lens, cheaper plus a stop faster.

Couple of shots from yesterday on a K10D.



04-22-2010, 10:24 AM   #18
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Thanks for the info all, lots of really neat glass out there for the Pentax bodies

77mms, 43mms, etc and the older AF ones from the early 80s are cool too

cheers
04-22-2010, 10:34 AM   #19
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I'll have to dissent on the 60-250. The nice thing about the Canon 70-200/4 is that it's *very* sharp wide open and stays almost that sharp when stopping down. The 60-250 isn't that sharp wide open (nor is the Sigma 70-200/2.8) and needs to be stopped down for max sharpness. It's also quite a bit heavier than the 70-200/4 (the Sigma 70-200 is even heavier than the 60-250...I had it for a little while).
The 70-200/4 is one of Canon's best lenses. The 60-250 is one of Pentax's but for different reasons (more range, weathersealing)...

04-22-2010, 12:12 PM   #20
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QuoteOriginally posted by kenyee Quote
I'll have to dissent on the 60-250. The nice thing about the Canon 70-200/4 is that it's *very* sharp wide open and stays almost that sharp when stopping down. The 60-250 isn't that sharp wide open (nor is the Sigma 70-200/2.8) and needs to be stopped down for max sharpness. It's also quite a bit heavier than the 70-200/4 (the Sigma 70-200 is even heavier than the 60-250...I had it for a little while).
The 70-200/4 is one of Canon's best lenses. The 60-250 is one of Pentax's but for different reasons (more range, weathersealing)...
I can't directly compare it to the Canon 70-200/4 (as I've never owned the 70-200/4) but I've found my DA*60-250/4 to be quite sharp wide open.
04-22-2010, 01:54 PM   #21
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I was talking to my wife, and she doesnt mind if I keep the 70-200 L, as she put it:

" you'll just whine about selling it later"

so I may end up with the EOS and a K-X
04-22-2010, 02:23 PM   #22
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QuoteOriginally posted by dgaies Quote
I can't directly compare it to the Canon 70-200/4 (as I've never owned the 70-200/4) but I've found my DA*60-250/4 to be quite sharp wide open.
hmm...the MTF numbers seem to show they're both about the same (stopping down helps):
Pentax SMC DA* 60-250mm f/4 ED [IF] SDM - Review / Test Report - Analysis
Canon EF 70-200mm f/4 USM L IS (full format) - Review / Test Report - Analysis

I'm going to have to do more testing of my 60-250 wide open...maybe I have a defective copy
04-22-2010, 02:44 PM   #23
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The non IS Canon lens is a 3rd of the price of that 60-250 and even the new IS version is hugely cheaper.

In fact you can pick up a 2nd hand non IS for next to nothing these days.

Why change to a diff brand body? The 550D/TI2 will do the job just as well & you won't need to splurge on overpriced Pentax "pro" glass.

04-22-2010, 05:07 PM   #24
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QuoteOriginally posted by dylansalt Quote
The non IS Canon lens is a 3rd of the price of that 60-250 and even the new IS version is hugely cheaper.

In fact you can pick up a 2nd hand non IS for next to nothing these days.

Why change to a diff brand body? The 550D/TI2 will do the job just as well & you won't need to splurge on overpriced Pentax "pro" glass.
I'm not sure about prices outside the US, but here the price of the 70-200/4 IS is the same price as the 60-250 ($1210 vs $1199 USD at BHphoto) and the non-IS version is a little over half the price of the 60-250 ($639 vs $1199).

EDIT: FWIW, I do overall agree the 60-250 seems a bit expensive in comparison to the 70-200/4.

Last edited by dgaies; 04-22-2010 at 05:10 PM. Reason: added commment
04-22-2010, 06:41 PM   #25
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QuoteOriginally posted by kenyee Quote
hmm...the MTF numbers seem to show they're both about the same (stopping down helps):
Pentax SMC DA* 60-250mm f/4 ED [IF] SDM - Review / Test Report - Analysis
Canon EF 70-200mm f/4 USM L IS (full format) - Review / Test Report - Analysis

I'm going to have to do more testing of my 60-250 wide open...maybe I have a defective copy
I think the problem here is that you are comparing the DA*60-250 on APS C with the 70-200 f4L IS on FF with the links provided.

If you go to this link you will see the test on APS C for the Canon to make things more equal:
Canon EF 70-200mm f/4 USM L - Review / Test Report - Analysis

You will see that the DA*60-250 is more than a match for the 70-200 f4 L even allowing for the Mp difference of the testing cameras. Even the 70-200 f4 L IS is about the same as the DA*60-250 f4.

The fact is, most of these high quality zooms in this range are all bloody good when you are spending this much money.
04-22-2010, 06:50 PM   #26
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QuoteOriginally posted by dylansalt Quote
The non IS Canon lens is a 3rd of the price of that 60-250 and even the new IS version is hugely cheaper.

In fact you can pick up a 2nd hand non IS for next to nothing these days.

Why change to a diff brand body? The 550D/TI2 will do the job just as well & you won't need to splurge on overpriced Pentax "pro" glass.
According to B&H, the 70-200 f4 L is US$640 and the DA*60-250 f4 is US$820, so a far cry away from a "3rd of the price" as you state. But the fact is, you cannot compare a non IS lens to the DA*60-250 f4 because the 60-250 is SR when attached to a Pentax K-x.
04-22-2010, 07:01 PM   #27
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QuoteOriginally posted by dylansalt Quote
The non IS Canon lens is a 3rd of the price of that 60-250 and even the new IS version is hugely cheaper.

In fact you can pick up a 2nd hand non IS for next to nothing these days.

Why change to a diff brand body? The 550D/TI2 will do the job just as well & you won't need to splurge on overpriced Pentax "pro" glass.
Dylan, I don't understand why you always bring up Pentax's (overpriced) South African prices into other threads. It just isn't applicable. I wouldn't shoot Pentax in South Africa either (or at least I'd figure out a way to get it from somewhere else), but that doesn't mean that prices are that bad in North America -- they are much more equivalent here. Just check out B and H, Adorama or Amazon if you don't believe me.
05-05-2010, 09:37 AM   #28
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Hi all

I am awaiting my K-X eagerly and I was looking at lenses, but I am still a bit unfamiliar with the Pentax nomenclature

is the FA 77 limited basically the same class as the Canon L series primes?


thanks
05-05-2010, 07:01 PM   #29
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More or less, yes. Either "Limited" or "*" are used to indicate the higher quality lenses.
05-05-2010, 07:55 PM   #30
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cool

Thanks a bunch Marc
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