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FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses 
Thread started 21 Feb 2018 (Wednesday) 08:58
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what is the difference between the Sigma 30mm 1.4 Art and 35mm 1.4 Art?

 
Choderboy
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Feb 21, 2018 10:50 |  #16

Gallery of photos, 30mm Art on 5D3:

Sigma 30mm Art on 5D Mark III
http://photography.bra​dschrum.com/sigma30art​5d#h3a1c443c (external link)


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Choderboy
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Feb 21, 2018 10:56 |  #17

Tom Reichner wrote in post #18568966 (external link)
EDIT: . Darn it! This thread was up for over an hour and nobody had replied to it at all. . I go to reply, and by the time I finish doing my research and typing and formatting my post, there are already three posts that sneaked in ahead of mine. . Sheesh!

.

Here is a link to a comparison between the two lenses:
https://www.bhphotovid​eo.com …ems/898831-REG_918894-REG (external link)

It looks like the primary difference is that the 30mm is an EF-S mount that will only work on 1.6 crop factor cameras, while the 35mm is an EF mount that will work on both full frame and crop frame cameras.
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Hosted photo: posted by Tom Reichner in
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forum: Canon EF and EF-S Lenses


.

That is just plain wrong.
There is some ambiguity:
"Camera mount type" - is that the mount on the camera? Or the lens mount? Moot point anyway.

See the gallery I posted above. The Sigma 30 is definitely "compatible" with full frame bodies. It works. BnH are WRONG!


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Choderboy
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Feb 21, 2018 11:01 |  #18

I can't blame BnH, how many thousand products do they stock?

Even Canon can't work out their own bits sometimes:

IMAGE: http://farm6.static.flickr.com/5284/5686332012_79fe82da7a_o.jpg

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Tom ­ Reichner
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Feb 21, 2018 11:04 |  #19

Choderboy wrote in post #18568996 (external link)
Gallery of photos, 30mm Art on 5D3:

Sigma 30mm Art on 5D Mark III
http://photography.bra​dschrum.com/sigma30art​5d#h3a1c443c (external link)

If those images are not cropped at all, and if vignette has not been processed out with software, then I am quite impressed.

I absolutely HATE any vignette in my images - I like the deep corners to be just as bright as the center. I would hesitate to ever use a crop lens on a full frame body if I thought that the corners would be darker than the center ..... yuck! And of course I don't have any software that would brighten the corners for me, and have no interest in using any.

But if the deep corners can be real bright without any PP being needed, then it would be great!


.


"Your" and "you're" are different words with completely different meanings - please use the correct one.
"They're", "their", and "there" are different words with completely different meanings - please use the correct one.
"Fare" and "fair" are different words with completely different meanings - please use the correct one. The proper expression is "moot point", NOT "mute point".

  
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Choderboy
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Feb 21, 2018 11:08 as a reply to  @ Tom Reichner's post |  #20

A lot of people like some vignetting and those people are a perfect match for this lens.

From the first POTN thread I linked:

himandher wrote in post #17658117 (external link)
Just to fly in the face of popular opinion here! We use 2 sigma art 30mm on 6d's every weekend and think it's the best secret in photography right now. Sharp as a tack even wide open, with an attractive vignette 85% of the time. Post can remove much of that if you don't like it, or a crop as it's a wide lens anyway. Very rich colour and highly atmospheric, it's my favourite tool aside from the 70-200L.

The 50mm art, by comparison is vignette free ( almost) and sharper at the edges, but you don't shoot f1.4 for sharp corners!

Both ART, are a pain shooting into strong light and the 30mm is much less capable than the 50 in this respect. But seriously, it's a beautiful, inexpensive, well made and highly characterful choice not to be dismissed.


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Feb 21, 2018 11:11 |  #21

So I have a Canon 7D which means I can use both? Which one is better on a crop?


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Feb 21, 2018 11:20 as a reply to  @ anitaw2's post |  #22

One is very big expensive. The other is much smaller and much cheaper.
I think those factors are probably the most important to consider.

I owned the 35 and it was very nice. I can't advise on a comparison of quality on a crop.


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Feb 21, 2018 12:22 |  #23

Tom Reichner wrote in post #18568970 (external link)
.
Perhaps, technically speaking, only Canon makes EF-S lenses.

However, both Canon and third party manufacturers such as Sigma make lenses with EF-S mounts.

.

That is incorrect. Both Sigma and Tamron manufacture lenses intended for APS-C sensors, but unlike Canon, they use standard EF mounts which means they can physically be mounted on full frame as well as crop bodies.


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Feb 21, 2018 12:23 |  #24

Dave3222 wrote in post #18568971 (external link)
Don't third party lens designed for EF-S still have an EF mount?

Correct. Canon is the only manufacturer that makes EF-S mounts


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Feb 21, 2018 12:24 |  #25

Tom Reichner wrote in post #18568981 (external link)
.
Yes, I'll name one - the very Sigma 30mm Art that we are discussing.

According to the graph from B&H that I posted above, the SIgma 30mm f1.4 Art has an EF-S mount.

.

That is incorrect. It has an EF mount.


Mark
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Feb 21, 2018 12:29 |  #26

mwsilver wrote in post #18569058 (external link)
That is incorrect. Both Sigma and Tamron manufacture lenses intended for APS-C sensors, but unlike Canon, they use standard EF mounts which means they can physically be mounted on full frame as well as crop bodies.

mwsilver wrote in post #18569062 (external link)
Correct. Canon is the only manufacturer that makes EF-S mounts

mwsilver wrote in post #18569066 (external link)
That is incorrect. It has an EF mount.

.
Is there really a need to say the same thing three different times in three separate posts? . Isn't this what the Multiquote Tool is for?

I think we all got it the first time you said it. . Actually, it was said by someone else long before you posted, so I do not understand why you felt the need to say it over and over and over again. . It must be something that you think is important or something.

.


"Your" and "you're" are different words with completely different meanings - please use the correct one.
"They're", "their", and "there" are different words with completely different meanings - please use the correct one.
"Fare" and "fair" are different words with completely different meanings - please use the correct one. The proper expression is "moot point", NOT "mute point".

  
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CyberDyneSystems
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Feb 21, 2018 12:29 |  #27

Page two and no one has said "5mm" yet? :)


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Feb 21, 2018 12:30 |  #28

Maybe I should have said made for use with crop camera's instead of EF-S but the principle, ie for crop so smaller image diameter(smaller sensor) and less glass-> cheaper lens is still valid. (but this takes longer to type and I had to beat you all with the answer :p)
And to OP: yes, on your 7D both will work.




  
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Feb 21, 2018 12:30 |  #29

anitaw2 wrote in post #18568917 (external link)
I was looking at the prices and there is quite a difference in price for almost the same focal length lens?

To get past the mount situation for the moment, besides one being designed specifically for a crop sensor and the other for full frame or crop, the 35 mm f/1.4 ART is a far superior optic to the more inexpensive 30mm f/1.4 ART.


Mark
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Feb 21, 2018 12:32 |  #30

CyberDyneSystems wrote in post #18569074 (external link)
Page two and no one has said "5mm" yet? :)

And I thought I had the correct answer, wrong again:lol:




  
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what is the difference between the Sigma 30mm 1.4 Art and 35mm 1.4 Art?
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