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My new Tokina AF 2.8/50-135

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Norbert HH

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Norbert HH said:
Sorry,
i think the link works now !
i have changed the pictures to another directory !

http://www.fotocommunity.de/pc/pc/extra/egallery/display/7450222

http://www.fotocommunity.de/pc/pc/extra/egallery/display/7450235
Click to expand...
Too bad. I wished this lens would perform well at 2.8, cause that's the whole point of these lenses. I find it so strange that it is still so difficult to build a zoom that performs well, or at least good at 2.8
The sharpness doesn't only look bad, it also looks a bit milky.
What did you pay for the lens?
Thanks for sharing,
Bart
 
Hm, yeah I'm going to have to agree. Sharpness doesn't look very good at f2.8 at all - everything looks pretty soft. And seeing as how Tokina is asking $200 MORE for this lens than the Sigma 50-150, while lacking HSM, I think I'm going to go with the Sigma.
 
Here´s some 100% crops you can compare with yours Tokina. My Sigma costed 590€ AF almost as fast as my 18-70mm kit lens.

Please note that all photos were taken using tripod and at approximately minimal focus distance (1-1.2 m).

50mm f2.8:



50mm f4:



150mm f2.8:



150mm f4:



--
Regards,
Pedro
 
...to post this one you can compare to the one taken at minimal focus distance (150mm f2.8 taken at app. 2m):

150mm f2.8 (2m away hand held):



150mm f2.8 (1.1m away on tripod):



Focus distance can mean a lot regarding results obtained at 150mm f2.8... Maybe it is just my copy of this lens.
--
Regards,
Pedro
 
I think the one near the minimum focus distance at 150 is not focused well. Try to focus that move the camera forward a little and retake the shot, then repeat again (all without refocusing). I bet you will get a better result, under the assumption that it front-focuses a little at 150mm at close range...
 
at 50 it seems OK, I think, assuming you were not perfectly aligned with the target - the bottom is sharp enough but the top is softer...
 
kocho said:
I think the one near the minimum focus distance at 150 is not
focused well. Try to focus that move the camera forward a little
and retake the shot, then repeat again (all without refocusing). I
bet you will get a better result, under the assumption that it
front-focuses a little at 150mm at close range...
Click to expand...
You're right, it really does front-focuses at close range, but so far I'm not having problems taking real world photos.
--
Regards,
Pedro
 
spyder57 said:
Hm, yeah I'm going to have to agree. Sharpness doesn't look very
good at f2.8 at all - everything looks pretty soft. And seeing as
how Tokina is asking $200 MORE for this lens than the Sigma 50-150,
while lacking HSM, I think I'm going to go with the Sigma.
Click to expand...
Not sure what you meant (it's a bit ambiguous) but the sigma 50-150 has HSM and it's incredibly sharp at 2.8. The only thing is some people (myself included on the first copy) have experienced front focusing at 150. My second copy is much better. I think the min focus distance is a bit too optimistic (1m), at 1m it has a bit of front focus but in my real world shots (maybe 1.5 to 2m) they seem to focus ok.

I was interested in the tokina but didn't want to wait. Sigma has a reputation for sharpness but unfortunately also focus issues (especially on canon). So I suggest buying from amazon:

http://www.amazon.com/gp/product/B000HPMP6A/104-8704416-8739922?ie=UTF8&tag=advanwebamazocom&linkCode=xm2&camp=1789&creativeASIN=B000HPMP6A

so you can easily exchange/return it.

See my profile, I posted 20 images full size or crops from this lens.
 
it's frustrating because this lens front focuses at 150 at the min focus distance (1m). that is really pushing this lens. at 1.5 it's better and by 2m it should focus properly. Many people claiming this lens is soft when in fact it's just out of focus. Try some shots that are from 2m away.

Also when posting shots to show sharpness, it is much better to photograph a dollar bill, printout, magazine, or newspaper. That way we know what we're looking at.

Here are a bunch of my photos:

http://www.advweb.com/tmp/50-150_2/2/

100% crops at 150mm 2.8:
http://www.advweb.com/tmp/50-150_2/2/DSC_0061.jpg
http://www.advweb.com/tmp/50-150_2/2/DSC_0075.jpg

I'd like to see some real shots with the Tokina.
 
Yours is exactly like mine. at min focus distance at 150mm it front focuses just a tiny bit. I think it's normal, DoF is incredibly small at 1m 150mm. DoF Calculator calculates the DoF to be 0.43 cm. At 1.5 it's 1cm. So I think it's totally unreasonable to use it at 1m at 150 2.8. on the other hand, at 50mm 1m the DoF is 4cm so it's usable there.

for portraits I find the lens great.
 
For both lenses. The shown examples may suffer from bad focusing (by the camera/lens combination obviously) Could you both (the original poster and the Sigma owner) please post some examples focusing manually using the focus aid (green led) by shooting say three pics at the point the green lamp will start to go on, in the middle and when it almost goes to off. And please use mirror lock-up, makes a lot of difference. Either lens would be great if the sharpness is good wide open, but I'd prefer the Tokina because of the tripod collar.
Thanks Bart.
 
Not occured to me before but I would be interested to know whether there is a difference between the performace of this lens on Canon and Nikon?

I would like one for my D80 but I am reluctant to purchase without more positive information toi enthuse me.
--
Chris Elliott

Nikon D80
Sigma 17-70 f 2.8-4.5
Sigma 24-70 f 2.8
SB-600
Capture NX
Qimage
 
Chris Elliott104343 said:
Not occured to me before but I would be interested to know whether
there is a difference between the performace of this lens on Canon
and Nikon?
Click to expand...
I shot canon for 1.5 years before switching to Nikon. I made the switch because I was fed up with autofocus problems with canon. Mostly with sigma lenses (all of them except 2 had focus problems) but also my canon 50 1.4 would front focus even after being calibrated by canon. the 85 1.8 backfocused. It got to the point where losing some money by selling everything and buying new nikon gear was worth it, I didn't have any more time for the canon tests, returns, etc.

Now I bought 3 new sigma lenses and only one had focus problem (50-150), second copy is fine.

My opinion is sigmas focus better with nikons.

Most of the 50-150 front focus complaints are because it's not build to focus at 150mm at short focus distances. If you need that, don't get it. If 1.5m is ok as min focus distance (same as nikon 70-200 2.8) then get it.
Chris Elliott104343 said:
I would like one for my D80 but I am reluctant to purchase without
more positive information toi enthuse me.
Click to expand...
Order from a vendor who has easy returns. B&H, amazon, etc.
 
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