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09-27-2010, 07:47 PM   #16
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I am also interested in the Sigma 50-150 vs the DA* 50-135

09-27-2010, 08:19 PM   #17
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i am actually interested in Tokina 50-135 vs the Pentax 50-135.

wonder why it isnt gathering a larger offering in the other mounts?
09-27-2010, 09:00 PM   #18
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QuoteOriginally posted by Piotr Quote
I tested sharpness of Sigma at f2.8 against some prime lenses and results were exceptionally good.

So in my opinion you should take into account: weight, size, price and your preferences - do you need more wide or longer lens.

From time to time 200mm i very usefull.


I have Sigma 70-200 HSM II, but the result @fl200,f2.8 is not as good as yours. I tend to say "disappointed", on shorter fl (below fl 135) it is accepable. RTogog
09-27-2010, 09:03 PM   #19
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QuoteOriginally posted by Reportage Quote
i am actually interested in Tokina 50-135 vs the Pentax 50-135.

wonder why it isnt gathering a larger offering in the other mounts?
The main criticisms of the Tokina I've read on canon forums are 1) the noisy screw drive, 2) lack of weather sealing 3) a non-removable tripod collar that gets in the way and 4) lack of image stabilisation. All seem to praise the IQ though. Luckily for us in Pentax land all the criticisms are non issues (although SDM raises a couple of new ones )


Last edited by twitch; 09-28-2010 at 04:01 PM.
09-28-2010, 03:30 AM   #20
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QuoteOriginally posted by gsrokmix Quote
I am also interested in the Sigma 50-150 vs the DA* 50-135
I have the Sigma 50-150 f2.8, which I use on my K20D. This is a useful focal length, I have used for portraits in and outdoors, some sports, some general railway stuff. It is a lot smaller than the 70-200 but for sports the extra reach would be so useful, not missed it for portraits. I can't compare to the 50-135 as I haven't got one (although I did shoot a few shots on a borrowed one) In the UK the Sigma 50-150 is heavily discounted as it is no longer being made (presumably pending an OS variant) and was about 40% of the cost of the 50-135, which was a big consideration for me. I have sold shots taken with the Sigma, so no complaints on that front. I am not sure of the IQ wide open at 150, but sems fine in the 50-100 range. (PS I have not posted on this forum but am active with galleries on "another well known digital camer site with a Pentax SLR Forum" with the same user name if anyone wants to check!
09-28-2010, 05:04 AM   #21
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SRS is now offering the 50-150 at 349 as end of life stock.

I had been waiting to see if the new magnetic drive got added to the 50-135 as wanted to start investing in weather sealed lenses (on the way to a K5 next year) but could not overlook the price differential.

Gareth
09-28-2010, 05:46 AM   #22
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If it were me, I would get the 70-200 and then if you need something shorter or faster get a 50mmF1.4 or the 77F1.8 or any of the fast 85's available.

for me, 50mm at F2.8 is not interesting for portraits, I would want less DOF, and 135 is just too short for a general tele.

just my $0.02
09-28-2010, 07:54 AM   #23
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QuoteOriginally posted by garethwebber Quote
SRS is now offering the 50-150 at 349 as end of life stock.

I had been waiting to see if the new magnetic drive got added to the 50-135 as wanted to start investing in weather sealed lenses (on the way to a K5 next year) but could not overlook the price differential.

Gareth
Gosh, that sounds interesting!!!
- Discount on my wished fast zoom lens...

09-29-2010, 01:23 AM   #24
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QuoteOriginally posted by Lowell Goudge Quote
If it were me, I would get the 70-200 and then if you need something shorter or faster get a 50mmF1.4 or the 77F1.8 or any of the fast 85's available.

for me, 50mm at F2.8 is not interesting for portraits, I would want less DOF, and 135 is just too short for a general tele.

just my $0.02
For me this space needs multiple lenses: in my case they break down

1. Fast 50 ish for formal portraits (mine is MF so they all need to be formal for me to keep up *smile*)
2. 50-150 zoom for kids running around the garden. Some sport.
3. 100-300 with TC for real distance work

The 50-150 becomes the walkabout (along with 17-50). The prime is restrictive. The 100-300 way too heavy and large. The 70-200 for me is too long at the wide end and not long enough at the long end.

That said, if 200 is long enough for you and is small and light enough to carry you can save yourself a lens purchase compared to my setup...
09-29-2010, 09:43 AM   #25
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50-135 is a better range for portraits.
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