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05-26-2014, 02:44 PM   #16
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I used the DA 50-200 WR as my long zoom for about a year when I first got my K-7. At the time, we were under a tight budget for new camera gear. I think it served its purpose well, and allowed me to learn about the longer focal lengths. In my opinion, it is a decent lens for its affordable price.

- Craig

05-26-2014, 06:41 PM   #17
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There is currently a Vivitar Series 1 70-210 f2.8-4 v.3 with A setting currently in the Market Place: https://www.pentaxforums.com/forums/24-photographic-equipment-sale/261222-sal...3-setting.html. I own a similar lens and am very happy with it. I used DA 55-300 during the same period of time a few months ago, and IMO the Vivitar has better optical quality and much better built than the DA. I can highly recommend it if you can live with manual focusing and extra weight. Also the Vivitar has a good close focusing with magnification of up to 1:2.5, which could be a reasonable substitute for real macro for many users. Finally, the value for money is exceptional.

If you are interested in using the telephoto zoom for landscapes, I would suggest to stay away from DA 55-300. Both copies I used (bought new), and the third (HD version, offered to me by CR Kennedy as a replacement for the decentered original copies), suffered from soft corners in the range of focal lengths from 55 to ca. 120 mm, unless stopped down to f10-11. In two copies, the problem was aggravated by decentering, but was also clearly visible as a symmetric corner blur in the third copy. No such problem with the Vivitar. If you only want to use the lens at the telephoto end (ca. 150-300mm), the DA 55-300 would be OK.
05-26-2014, 07:08 PM   #18
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QuoteOriginally posted by ecky Quote
Was about to ask about Takumar A 70-200 f/4 but I guess I already got an answer.

I'm comfortable with manual focus, but these digital thingies lack proper focusing screen. Do you guys use katzeye or something similar to help with manual focusing?
I had that Takumar A 70-200/4 lens for my film camera. There is really nothing to like about it. The SMC Pentax-A 70-210/4 is totally different, much better.

The Katzeye is one choice for manual focus. I have bought two for different cameras. It's the expensive option. I like it but look at all choices first.

I am currently using the DA 50-200mm f4-5.6 WR with my DA 18-55 WR, and the combination works great for me. I used to use the F70-210 in the same way, mostly on vacation. The two lenses were pretty close for me - equal sharpness, the DA has some vignetting wide open esp. at 50mm, the F is worse for flare and twice the weight, the DA has only 6 blades, the F has no reversible hood. When I go hiking, I have one WR on the camera, the other in a pocket. Of course this is in daytime, usually decent light. I'm on vacation now and so far, about a third of my shots are with the 50-200. We'll see how good they are when I get back.

The DA 18-135 WR and the DA 55-300 WR weren't around when I bought the 50-200. I'm not sure I'd choose differently anyway, but it's tough.
05-26-2014, 07:58 PM   #19
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QuoteOriginally posted by sharik Quote
There is currently a Vivitar Series 1 70-210 f2.8-4 v.3 with A setting currently in the Market Place: https://www.pentaxforums.com/forums/24-photographic-equipment-sale/261222-sal...3-setting.html. I own a similar lens and am very happy with it.
That lens is supposed to be quite a hidden gem, nice find!

05-26-2014, 08:52 PM   #20
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I see a F 70-210 4-5.6 just popped up on the marketplace for inexpensive
05-27-2014, 08:24 AM   #21
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I just wish more of the US sellers would ship worldwide

Last edited by ecky; 05-27-2014 at 08:48 AM. Reason: removed the question about vivitar
05-27-2014, 08:34 AM   #22
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Sigma 70-300 DG OS (stabilized) - is a decent lens (though not as cheap as tamron 70-300 or sigma 70-300 dg macro)
05-27-2014, 09:44 AM   #23
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QuoteOriginally posted by ecky Quote
I just wish more of the US sellers would ship worldwide
Completely agree. It would be tough being in the worldly market. It is bad enough in Canada. I have had to pass on many nice lenses.

05-27-2014, 10:16 AM   #24
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Hoya HMC Zoom 70-150mm f/3.8 ? Would be fast enough. I might just buy it and do some testing, since it is supercheap (one is available in right now in Finland). There's one review on the page but it is of Miranda 24 f/2.8 Hoya 75-150mm, f3.8-22 Lens Reviews - Miscellaneous Lenses - Pentax Lens Review Database

EDIT:
The one on review page seems to be a 75-150 macro, this one is 70-150. My bad. However, I think its a rebranded Tokina from what I googled.

Last edited by ecky; 05-27-2014 at 10:24 AM.
05-27-2014, 10:32 AM   #25
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as for the manual lenses as the hoya - vivitar series 1 70-210 2,8-4 is excellent and around 100 Euro in excelent condition (if you're lucky) shipped
05-27-2014, 10:34 AM   #26
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QuoteOriginally posted by TER-OR Quote
The Tamron 70-300 is not good enough for the K5 - you will have unacceptable chromatic aberration - purple fringing. I don't know if the software solutions for that are good enough, but just skip it. If you were getting a K10 or Kx it would be OK.
The purple fringe from this lens is real but easily correctable in post.

I use this lens for kids sports since focus on the K-5 is lightning quick, and it can work as a nice butterfly and insect lens as it has a good macro mode.

Some versions are not sharp though, look for model number A17 only.

Due to my primary application for sports I chose the Tamron for its fast AF over the Pentax 55-300 which has better native IQ but is a slower focusing lens.
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