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08-27-2008, 08:29 AM   #1
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DA* 50-135mm or DA* 200mm

I have an itch. I have been researching these lenses for days now and still undecided which lens to purchase for acton sports. I have been using my 31mm ltd and cropping them for close-ups. This works and pictures are very nice, but...................... need advice from those who shoot action sports. The question here is, which one to purchase.

08-27-2008, 10:50 AM   #2
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Talking out of my hat I'd say you need both.

135mm is not going to be long enough to get you from your seat to the ice of a hockey game, for instance, unless you are lucky enough to be with the press. But 200mm is going to be too long if you are up close for some skateboarding (which I shot recently) etc.

Really depends what you're up against.
08-27-2008, 11:18 AM   #3
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QuoteOriginally posted by rparmar Quote
Talking out of my hat I'd say you need both.

135mm is not going to be long enough to get you from your seat to the ice of a hockey game, for instance, unless you are lucky enough to be with the press. But 200mm is going to be too long if you are up close for some skateboarding (which I shot recently) etc.

Really depends what you're up against.
Yes, but the OP was cropping a 31ltd shot before this , so a crop of the 135 will seem like he's right in the action!

Seriously EAD, for dedicated sports shooting, I'd go, in order: 70-200 f/2.8 (various), DA 200, 50-135 (and crop).

If you're shooting a K20D, the 50-135 becomes a very good sports lens, because the crops retain so much IQ. With the K10D, still very good, K100D, not so much as a sports shooter combo.


.
08-27-2008, 06:33 PM   #4
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QuoteOriginally posted by jsherman999 Quote
Yes, but the OP was cropping a 31ltd shot before this , so a crop of the 135 will seem like he's right in the action!
Well in that case just get the FA77.

08-27-2008, 09:07 PM   #5
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Even with PopPhoto being what it is, these quotes from their review say a lot.

"DxO Analyzer 3.0.1 tests found near-absolute distortion control, with only Imperceptible pincushion distortion (0.01%) detectable. (This is, in fact, the single best distortion performance we've encountered since adopting the DxO system in 2005.)"

"If there's a downside to this lens, we couldn't find it."

Lens Test: Pentax SMCP-DA* 200mm f/2.8ED (IF) SDM AF - - PopPhotoMay 2008
08-27-2008, 09:30 PM   #6
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Has anyone here shot sports with the DA*50-135? I have not used mine for sports yet. It is a great lens, but I find that it is my slowest focussing lens. Nothing to do with AF hunting or anyting like that, it just seems the SDM is slower than say my screw-drive 18-250. I have shot lots of moving RC airplanes with my 18-250 and the focus locks on quickly and accurately.

BTW EAD, are you talking about indoor sports like basketball? Indoors I usually use my 50 f/1.4. Outdoors, I like the flexibility of the 18-250.
08-28-2008, 09:31 AM   #7
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Currently I am shooting outdoors. High school and middle school football games.
08-28-2008, 10:48 AM   #8
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QuoteOriginally posted by EAD Studios Quote
Currently I am shooting outdoors. High school and middle school football games.
Then I would really recommend the 18-250 for your outdoor sports, and use that lovely 31 for indoor. I have posted tests here that show the IQ on the 18-250 is excellent, and to see the difference between that and the DA*50-135, you have to go to 100% crop.

08-28-2008, 05:55 PM   #9
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While I have neither, I would hope that the 50-135 would be of better image quality than that of the 18-250. I would assume that the 50-135 would have less distortion, CA and purple fringing. Also, in my thinking, the 2 extra aperture blades combined with the f2.8 would give more pleasing results. But I repeat, I have neither.
08-28-2008, 06:40 PM   #10
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QuoteQuote:
between that and the DA*50-135, you have to go to 100% crop

What is meant by 100% crop?
08-28-2008, 09:29 PM   #11
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Grab the 200mm and pick your spot, you wont be dissappointed.
08-28-2008, 09:30 PM   #12
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QuoteOriginally posted by nulla Quote
What is meant by 100% crop?
It is blowing the image up to such a large size that 1 pixel on the sensor corresponds to 1 pixel on your screen. A quick way to see 100% crop if using Windows, is open the picture with "Windows Picture and Fax viewer, then click on the icon with the arrows in the corner. It will zoom to 100%.
08-28-2008, 10:08 PM   #13
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Thanks for the reply Pentaxpoke


can seem a confusing term.

If I were to crop the photo 50% my line of thinking means half the photo.


So the most acurate way to make a 100% crop would be to enlarge the image to its 100% size and then take a cropped section?


Neil
08-28-2008, 10:12 PM   #14
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if you have that full access to the floor/field, the 50-135 would be perfect to take shots out on the floor/field then come right back to the bench and fans.
08-29-2008, 03:46 AM   #15
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I am no expert but, given equivalent IQ and aperture (surely the case here, tho the DA*200 might be somewhat superior in IQ) the flexibility iif the zoom would offset the extra 50mm of the 200 unless most shots really need 200mm .........
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