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Thread started 17 Apr 2013 (Wednesday) 19:14
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Breaking News? Sigma 18-35mm f1.8 DC HSM to be introduced

 
Tony-S
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Apr 19, 2013 23:49 |  #46

whiteflyer wrote in post #15846807 (external link)
It's things like this that makes me consider dropping down from the 1D4 to a 7D or moving to the darker side.

You mean Foveon? ;)


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lkrms
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Apr 20, 2013 08:17 |  #47

The real innovation is happening in mirrorless cameras now. Big sensors, small bodies, small lenses ... what's not to love? ;)

Canon and Nikon both came very late to the mirrorless party, and haven't contributed anything compelling yet. Sony, Olympus, Panasonic and my personal favourite, Fujifilm, are killing both of them.


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elrey2375
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Apr 20, 2013 11:43 |  #48

Photos, distortion, noise, etc., for the new lens

http://lcap.tistory.co​m …a-ART-18-35mm-f18-Preview (external link)


http://emjfotografi.co​m/ (external link)
http://500px.com/EMJFo​tografi (external link)

  
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_aravena
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Apr 20, 2013 22:48 |  #49

Saw this tonight just checking out Sigma's page and was so excited. Weird FL but I guess we'll see. The F1.8 definitely make sup for it but what sucks is the MFD being 11"


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h4ppydaze
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Apr 20, 2013 22:55 |  #50

_aravena wrote in post #15850287 (external link)
what sucks is the MFD being 11"

I don't follow because the reproduction ratio is very good... 11'' is only like 3 or 4 inches from the front element.




  
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_aravena
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Apr 20, 2013 23:01 |  #51

Must of read it wrong then.


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dlintz
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Apr 20, 2013 23:10 as a reply to  @ _aravena's post |  #52

I hope they "DG" this lens someday.


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match14
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Apr 21, 2013 07:31 |  #53

i'll say one thing though, can simga make stick to making the zoom barrel turn the correct direction instead of the nikon direction lol.


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lilkngster
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Apr 21, 2013 08:05 |  #54

Sirrith wrote in post #15840381 (external link)
Anyone care to interpret the MTF charts..? :p

http://www.sigma-global.com …/art/a_18_35_18​/data.html (external link)



Seems to fit in where it should. Contrast wise in the periphery, better than the older primes, but not as good as the new primes (35 and 30). Bokeh is ok, better seen on the f/1.8 samples. Distortion and vignetting is not unexpected in this range. The preview to me, seems to confirm what I see on paper, zoom with some compromises vs primes with better IQ.

It does look pretty and I assume the usb MFA will also be available for it, for those who will need/use it.


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CyberDyneSystems
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Apr 21, 2013 08:19 |  #55

Pretty amazing!

Olympus made some amazing zooms when they first launched the 4/3rds system. The first zooms @ f/2 if I recall. I'm actually surprised it too this long for someone to do this with APSc, but am glad it's finally here. I'd be curious how it works on a 1.3x :)

The thing looks pretty beefy, but no larger than the Canon 24-70mmm "Brick"

I have to admit as well, I just love the look of it. SIGMA's overall design just looks great.


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CyberDyneSystems
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Apr 21, 2013 08:27 |  #56

Sirrith wrote in post #15840381 (external link)
Anyone care to interpret the MTF charts..? :p

http://www.sigma-global.com …/art/a_18_35_18​/data.html (external link)



The MTF chart is not saying what the two colors are, but I'm guessing it's f/1.8 (green) and f/4 again. (red)
SUPER Sharp at f/4, like unreal. Very good at f/1.8

The last set are light fall off, and it's essentially gone by f/4.
@ f/1.8 you see pretty strong fall off, but I wouldn't let that worry me.


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lkrms
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Apr 21, 2013 21:48 |  #57

Can't say I'm well-versed in MTF charts, but I'll take your word for it ... sounds like it's as exciting as hoped! Look forward to seeing some real-world samples :)


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EhSantino
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Apr 21, 2013 22:06 |  #58

May be f/8?


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Nightdiver13
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Apr 21, 2013 23:30 |  #59

EhSantino wrote in post #15853261 (external link)
May be f/8?

Are you referring to the MTF chart?


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armis
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Apr 22, 2013 04:56 |  #60

CyberDyneSystems wrote in post #15851051 (external link)
The MTF chart is not saying what the two colors are, but I'm guessing it's f/1.8 (green) and f/4 again. (red)
SUPER Sharp at f/4, like unreal. Very good at f/1.8

The last set are light fall off, and it's essentially gone by f/4.
@ f/1.8 you see pretty strong fall off, but I wouldn't let that worry me.

Nah, the site explains somewhere that the red line is 10lp/mm for contrast, and the green line shows 30lp/mm for sharpness. Both are wide open.


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Breaking News? Sigma 18-35mm f1.8 DC HSM to be introduced
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