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FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses 
Thread started 06 Jan 2014 (Monday) 16:08
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Sigma 50mm f1.4 Art announced

 
Jerobean
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Jan 08, 2014 20:46 |  #136

deanedward wrote in post #16589609 (external link)
hoping the new sigma comes very close to the 50L in optical performance. sure, it can't do f/1.2 but if the sharpness/contrast/bok​eh are close at comparable apertures, then i'm in!

uhh, the current sigmalux is already pretty close.

if the new 50 1.4 isn't better than their old one, which is already close to the 50L, I can't see why they would even make it.


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frugivore
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Jan 08, 2014 20:47 |  #137

EverydayGetaway wrote in post #16589647 (external link)
Have you considered the Samyang 24mm? Based on what I've read it's actually better for astro-photography than the L is ;)

I've never shot stars with it so I can't comment but this comparison shows the Canon to be sharper:

http://www.the-digital-picture.com …omp=0&FLIComp=0​&APIComp=0 (external link)

But if Sigma ever makes a sharp 24mm f/1.4, I'll definitely give it a trial. They seem to be on an unsuitable roll lately.




  
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Bakewell
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Jan 08, 2014 20:51 as a reply to  @ Jerobean's post |  #138
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Sorry guys but it's still a 1.4 lens. People use the 50 1.2 to shoot at 1.2! The 50L has nothing to worry about.


Dave

  
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Jerobean
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Jan 08, 2014 20:57 |  #139

Bakewell wrote in post #16589728 (external link)
The 50L has nothing to worry about.

I disagree.

The 50L is not sharp at 1.2 and the focus shift is annoying.

if the s50A is tack sharp at 1.4 and has good AF, there will be many people that will chose it over the 50L.


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Bakewell
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Jan 08, 2014 21:02 |  #140
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Jerobean wrote in post #16589739 (external link)
I disagree.

The 50L is not sharp at 1.2 and the focus shift is annoying.

if the s50A is tack sharp at 1.4 and has good AF, there will be many people that will chose it over the 50L.

Not sharp? Did you see recent posts in the 6D thread and the 50L thread? If it's calibrated correctly at 1.2, 2-4 ft it is! 1.2 is 1.2!


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mystik610
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Jan 08, 2014 21:08 |  #141

Jerobean wrote in post #16589739 (external link)
I disagree.

The 50L is not sharp at 1.2 and the focus shift is annoying.

if the s50A is tack sharp at 1.4 and has good AF, there will be many people that will chose it over the 50L.

Agreed. I like the 50L for a lot of reasons, but that lens is a problem child lol. I wish it behaved more like the 85L.


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Ginga
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Jan 08, 2014 21:10 as a reply to  @ Bakewell's post |  #142

Jerobean wrote in post #16589739 (external link)
I disagree.

The 50L is not sharp at 1.2 and the focus shift is annoying.

if the s50A is tack sharp at 1.4 and has good AF, there will be many people that will chose it over the 50L.

Yup. The 50L is 'ok' , but it's notably softer than the 24L, 35L, 85L and 135L wide open.

The 50L is a 'mixed feelings' lens. I've tried many copies, and they were all inconsistent, and of course they all suffer from the focus shift issue.

I am confident that the new 50mm from Sigma will kick the 50L into oblivion. :) And besides, the difference between f/1.2 and f/1.4 is pretty much irrelevant.


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mgk2
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Jan 08, 2014 21:10 |  #143
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Anyone that thinks 50L is sharp just dunno what sharp means.




  
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Bakewell
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Jan 08, 2014 21:18 |  #144
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mgk2 wrote in post #16589771 (external link)
Anyone that thinks 50L is sharp just dunno what sharp means.

Anyone that thinks 1.4 is equal to 1.2 doesn't know what DOP and Bokeh means!


Dave

  
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Sirrith
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Jan 08, 2014 21:26 |  #145

Bakewell wrote in post #16589784 (external link)
Anyone that thinks 1.4 is equal to 1.2 doesn't know what DOP and Bokeh means!

No one here seems to think 1.4 is equal to 1.2. But if the Sigma 50 1.4 A is sharper at 1.4 than the 50L at 1.4, then it will be awesome. And I'm not clear on what DOP is, unless you mean that brand of drinkable yogurt.


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Osiriz
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Jan 08, 2014 21:27 |  #146

Bakewell wrote in post #16589784 (external link)
Anyone that thinks 1.4 is equal to 1.2 doesn't know what DOP and Bokeh means!

I'm sorry to burst your bubble, but as someone else said: the diff between 1.4 and 1.2 is just too small to notice, unless you pixel peep like crazy.

The new 50 from Sigma might actually match the 50L in terms of bokeh quality. It all comes down to optics at this point.




  
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Bakewell
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Jan 08, 2014 21:30 |  #147
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Sirrith wrote in post #16589804 (external link)
No one here seems to think 1.4 is equal to 1.2. But if the Sigma 50 1.4 A is sharper at 1.4 than the 50L at 1.4, then it will be awesome. And I'm not clear on what DOP is, unless you mean that brand of drinkable yogurt.

Haven't tried that. Is it good? Sorry for the typo...DOF...


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Bakewell
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Jan 08, 2014 21:33 |  #148
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Osiriz wrote in post #16589805 (external link)
I'm sorry to burst your bubble, but as someone else said: the diff between 1.4 and 1.2 is just too small to notice, unless you pixel peep like crazy.

Really? Then why in the world did Canon ever make the 1.2? Just a fun exercise? To see if they could? Not to mention the 1.0!


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mgk2
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Jan 08, 2014 21:40 |  #149
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Bakewell wrote in post #16589784 (external link)
Anyone that thinks 1.4 is equal to 1.2 doesn't know what DOP and Bokeh means!

You are the one claiming 50L is sharp when it's really not.

F1.2 is nothing but bragging rights, and the difference is negligible compared to f1.4.

This new Sigma 50 is almost guaranteed to trump the L in terms of sharpness and bokeh (there I said it) from f1.4 all the way to f16/22.




  
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EverydayGetaway
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Jan 08, 2014 21:58 |  #150

frugivore wrote in post #16589721 (external link)
I've never shot stars with it so I can't comment but this comparison shows the Canon to be sharper:

http://www.the-digital-picture.com …omp=0&FLIComp=0​&APIComp=0 (external link)

But if Sigma ever makes a sharp 24mm f/1.4, I'll definitely give it a trial. They seem to be on an unsuitable roll lately.

Yea, the Canon is sharper, sharpness means little for astro-photography. The Samyang has less CA and flaring when shooting stars ;)

Oh, and it's $600...


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Sigma 50mm f1.4 Art announced
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