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04-17-2010, 12:13 PM   #1
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Whats the Pentax equivalent to the Canon 70-200mm F4L

Hi all

I have a Canon 70-200 F4L on my Rebel XT and Im looking to buy a Pentax K-X , I really like the quality of shots taken with the L lens, but I was wondering what the Pentax equivalent is so I can do some research about them.

Thanks in advance

04-17-2010, 12:29 PM   #2
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QuoteOriginally posted by dude163 Quote
Hi all

I have a Canon 70-200 F4L on my Rebel XT and Im looking to buy a Pentax K-X , I really like the quality of shots taken with the L lens, but I was wondering what the Pentax equivalent is so I can do some research about them.

Thanks in advance
DA* 50-135 on APS-C = 70-200 L on FF
04-17-2010, 12:31 PM   #3
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There isn't an exact lens that is the same. The DA * 50-135 f2.8 and 60-250 f4 are probably the closest in the line up. Also, the DA 55-300 is f4.5 from 55 to 210, so if speed is the main thing, that might meet the bill. Finally, Sigma and Tamron both make 70-200 f2.8 lenses that are fairly reasonable in price.
04-17-2010, 12:33 PM   #4
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FA* 80-200mm/2.8 and F 70-210/4 are also out there, although no longer in production. The first of these two is a superb lens:

Pentax Lens Review and Specification Database - 80-200mm F2.8 ED [IF]


Pentax Lens Review and Specification Database - 70-210mm F4-5.6



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04-17-2010, 05:22 PM   #5
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depends how much you are willing to spend. There isnt exactly a no frills 70-200mm 2.8 range from pentax for budget users.

you will see most users with either the higher end SDM models or tamron/sigma 70-200 2.8 most of the time.
04-17-2010, 05:45 PM   #6
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There is no exact equivalent to the Canon 70-200 f4, but the DA*60-250 f4 is a superb lens and would equal the Canon in IQ, IMHO. Plus, you get a bigger zoom range!

I have the DA*60-250 f4 and think it is brilliant. Superb IQ and beautifully made.

Photozone test for both lenses:

Pentax:
http://www.photozone.de/pentax/479-pentax_60250_4

Canon:
http://www.photozone.de/canon-eos/195-canon-ef-70-200mm-f4-usm-l-test-report--review

Last edited by Lance B; 04-17-2010 at 06:08 PM. Reason: spelling mistake
04-17-2010, 06:05 PM   #7
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QuoteOriginally posted by henryjing Quote
DA* 50-135 on APS-C = 70-200 L on FF
Rebel XT is APS-C, just like Pentax K-x, so the 50-135 does not approximate the 70-200L.

OP, as others have stated, the Pentax DA* 60-250 f/4 is the most similar Pentax lens, and costs about the same as the Canon L.
04-17-2010, 06:17 PM   #8
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In the f/4 teles the main other option to the DA* 60-250 f/4 is the Sigma 100-300 f/4, which has an excellent reputation as well. Tests show it's probably about the best Sigma zoom available in terms of image quality. Obviously a different length to the Pentax, and I think it's a full frame lens, which might explain why it's a lot larger and uses 82mm filters. Well built but not sealed like the DA*. The Pentax mount Sigma 100-300mm is not HSM.

04-18-2010, 11:35 AM   #9
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Thanks for the info, I forgot that if I grab a K-X I can use any of the K mount lenses made in the last 35 years! , lots of research to do !!
04-18-2010, 11:41 AM   #10
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QuoteOriginally posted by dude163 Quote
Thanks for the info, I forgot that if I grab a K-X I can use any of the K mount lenses made in the last 35 years! , lots of research to do !!
or any of the m42 lenses (with pentax adapter) for the last 53 years. but as to your question, yes if looking for the closest replacement to the 70-200 L, I would suggest as others have done, to look at the DA* 60-250mm. you wont regret the K-x by the way, and will likely be very happy with it over the rebel or alongside it. have you had a chance to handle and use a K-x? the only word of caution here, is that unlike the rebel (I believe this to be correct) the K-x cannot take a battery grip, so if you happen to use one to add balance for the 70-200, you wont have that option with the K-x.
04-18-2010, 11:53 AM   #11
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I just got back from the store actually and was quite surprised how compact the K-X was I dont know if thats good or bad to be honest, hmm decisions decisions
04-18-2010, 11:58 AM   #12
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QuoteOriginally posted by dude163 Quote
I just got back from the store actually and was quite surprised how compact the K-X was I dont know if thats good or bad to be honest, hmm decisions decisions
how much smaller is it than a rebel?
04-18-2010, 12:09 PM   #13
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After checking the sizes and weights, its actually only about 5% smaller!

It could just be the fact that it didnt have batteries in it, and no 70-200 metal body lens on it too............
04-18-2010, 12:20 PM   #14
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QuoteOriginally posted by dude163 Quote
After checking the sizes and weights, its actually only about 5% smaller!

It could just be the fact that it didnt have batteries in it, and no 70-200 metal body lens on it too............
well the 60-250 will also be smaller and lighter. (plastic lens body) but its weather sealed, SDM focusing (USM), longer focal range, and the added bonus of the in body SR. I know the 70-200mm is kind of canons cream of the crop (particularly the 2.8 L IS USM) but I think the 60-250mm would make a good choice with the k-x.
04-18-2010, 09:52 PM   #15
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This question is about lenses, not cameras, so I am moving it to the proper forum.
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