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05-12-2011, 08:43 PM   #1
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Between Tamron and Pentax

If there is no restriction with a budget, do you all think going for Pentax-DA 50-200mm F4-5.6 ED WR would be a better decision over Tamron AF 70-300mm F/4-5.6 Di LD MACRO 1:2 Lens and SMC Pentax-F 70-210mm f4-5.6.
Also I am seeing, Adaptall-2 SP 70-210 f/3.5 (19AH) gets good rating than the 50-200 WR for $80 more. Please advice in terms of optical quality in my decision making. I guess I am close to finding my lens.

05-12-2011, 09:01 PM   #2
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The 50-200 is nothing great, and neither is the 70-300. They are similar budget zooms with different focal lengths. The Pentax 55-300 will give you better results and is reasonably priced.
05-12-2011, 09:27 PM   #3
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I absolutely love my Adaptol SP 70-210 f3.5 macro, I shoot catch in focus most of the time using this lens and I love the results. Color rendering is a little flat (unsaturated). but it is tack sharp, and color can be tweaked very easily in PP unlike sharpness. I tracked down my SP 70-210 for $60 with the adapter!
05-12-2011, 10:05 PM   #4
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19ah

Read my review and see my photos with the 19AH here:


Tamron Adaptall-2 SP 70-210mm f/3.5 (19AH) Lens Reviews - Pentax Third-Party Lens Review Database

05-13-2011, 04:06 AM   #5
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QuoteOriginally posted by Chex Quote
I absolutely love my Adaptol SP 70-210 f3.5 macro, I shoot catch in focus most of the time using this lens and I love the results. Color rendering is a little flat (unsaturated). but it is tack sharp, and color can be tweaked very easily in PP unlike sharpness. I tracked down my SP 70-210 for $60 with the adapter!
What is catch in focus? is this an autofocus lens?
05-13-2011, 04:07 AM   #6
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QuoteOriginally posted by SpecialK Quote
The 50-200 is nothing great, and neither is the 70-300. They are similar budget zooms with different focal lengths. The Pentax 55-300 will give you better results and is reasonably priced.
Is the 55-300 you are mentioning a kit lens?
05-13-2011, 05:00 AM   #7
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QuoteOriginally posted by sany Quote
Is the 55-300 you are mentioning a kit lens?
Could be. The DA L 55-300mm is a kit lens. The DA 55-300mm is not. The DA L version has a plastic mount, no quick shift focus, does not come with a lens hood or pouch, and has a push-on rear lens cap. A bayonet lens hood for the 55-300mm is about $10 on ebay. Nice lens. The DA L seems to sell around $200 usd.
05-13-2011, 05:21 AM   #8
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Had a DA 50-200, now have the DA 55-300. Latter is better at all focal lengths. Fitted with an achromatic close-up lens (made by Canon), the 55-300 does very well as a macro when set to a focal length of about 80-110mm (Best to set to manual focus).

AND, since no one else put in an explanation of "catch focus:" mount a manual focus lens, but leave the camera set on autofocus (focus priority); press the shutter release all the way and focus by either turning the focus ring (normal photography) or by moving back and forth (macro photography). When the focus sensor detects "in focus," the shutter will trigger. Catch focus works quite well when taking macro shots with a flash. If you've worked out exposures for a manual flash*, regular or ring flash, you can get very consistent results.

*Example of predetermined macro/flash exposure: camera in manual exposure mode; ISO 200; manual flash (or PTTL flash in manual mode) @ full power with diffuser or reflector ; lens set @ 1:3; set aperture @ f16. This method can overcome the near-distance limitation of flashes such as the 360; and can enable use of an inexpensive ring flash such as the Bower-Vivitar unit or the older Sunpak units that don't have modules for Pentax PTTL.

05-13-2011, 09:36 AM   #9
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If you do a search on this site forum (as well as the beginner's), you'll find scores of existing threads discussing which basic consumer zooms to get; you might try that for more opinions. But basically, you'll see the same trend over and over: 55-300 is easily the best of these. Anything else and it's up to you to decide whether slightly the lower price is worth the lesser quality, restricted focal length range, lack of AF, lack of quick shift, or whatever else you'd be giving up.

For me, the only choices I'd consider would be the 55-300 (not "L" version, as quick shift is too important to me) or the 50-200 WR, which also gives you WR and smaller size / lighter weight along with its lower price. But you still have to give up some range and some IQ.
05-13-2011, 11:34 AM   #10
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Hi All

Thanks for those ideas, i am asking same questions all over the forum but I keep getting back to square one.
I personally liked adaptall quality when i saw those sample photos in their respective review pages. The only issue I am observing is that there is not much lens that is made available anywhere including ebay. so I thought first I should see if there are any adaptall in the range i am looking in and then look for an appropriate adapter. Given that, now I think I must zero in on 55-300.

Also I have a new source locally, that is going to offer me Tamron 28-200 for around $60, although I see the rating for this is not so great I think if I can atleast grab that I can use it as a backup lens or during rough weather conditions. While I must acquire the 55-300 as a more proper lens for me.
05-15-2011, 02:01 AM   #11
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QuoteOriginally posted by Marc Sabatella Quote
For me, the only choices I'd consider would be the 55-300 (not "L" version, as quick shift is too important to me) or the 50-200 WR, which also gives you WR and smaller size / lighter weight along with its lower price. But you still have to give up some range and some IQ.
Do you figure that the 55-300 is sharper than the SP 70-210? sure, its newer and is AF, but I'm not sold on it being sharper... would love to try one out and see.
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