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FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses 
Thread started 18 Apr 2013 (Thursday) 00:04
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Sigma 18-35 f/1.8 any thoughts?

 
MNUplander
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Apr 18, 2013 09:16 |  #46

Sirrith wrote in post #15841138 (external link)
Is there a point for a 30/1.4?

If so, why no point for a 18-35 which is only 2/3rd of a stop slower? Its basically a whole bunch of primes in one lens as far as aperture goes, which means you get the convenience of a zoom, without the downside of slower aperture. Also, I highly doubt this lens will compromise too much in terms of IQ, since there is little point in Sigma investing in a lens that would not sell, and is probably the reason why it is only an 18-35, not a 15-40 or whatever.

Either way, this is all speculation until we get reviews.

It just seems like an odd range of focal lengths to me since it's APS-c only. But, what do I know, people may indeed have a use for this. Admittedly, I could just be skeptical since it's the first <2.8 zoom. I should probably keep my speculations under wraps until we see some reviews.


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schris
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Apr 18, 2013 09:28 |  #47

I had juuuust finally gotten to the point where my lens wish list was down to zero. Darn you, Sigma!

But on a more pragmatic note, I wonder how this would change my lens lineup if I could afford it. Essentially it's a 2x zoom that overlaps with 28mm somewhere in the middle. Since the 28 f/1.8 already performs admirably for me I wouldn't really see a need to replace it with this lens unless it has some superlative qualities, like vastly superior AF or extreme sharpness across the board.

Exciting announcement. We can't be too far off from that 10-400mm f/1.2 lens everyone wants, right?


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Alex_Venom
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Apr 18, 2013 09:38 |  #48

Whats next?
35-135 f/2 OS? :D


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Apr 18, 2013 09:55 |  #49

Man, if they could make this for full frame I think I'd wet my pants. . . . . . .


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Vixen89
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Apr 18, 2013 10:05 |  #50

Raylon wrote in post #15841147 (external link)
7D does have MA. I don't think people with T series are the targeted segment with this lens.

I completely forgot the 7D has MA! My poor 60D doesn't have it but I think Sigma is doing the world good by introducing this. I've been using my 16-35 II on my 60D for the longest time with over 3000+ shots and still going. I'm still interested in trying out this lens as long as the tag isn't $2k. :X

I also still want to know if the USB dock will fix the 35 1.4 anyways with the lighting problem.


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Roshan
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Apr 18, 2013 10:05 |  #51

dufflover wrote in post #15840727 (external link)
I think it's handy for casual crop portrait shooters. Like those who take a camera to a mate's party or wedding.
That said, Sigma is usually weak at the edges, which isn't too bad when it's FF lens on a crop, but look at crop lenses like the 30/1.4 and the 17-50, and it's not that great on those edges without stopping down.

The new Art 30mm 1.4 is not soft at the edges by any means.

Dear Sigma,
Please make us FF users a 24-70 1.8 HSM.




  
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sploo
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Apr 18, 2013 10:11 as a reply to  @ Scatterbrained's post |  #52

I'm slightly scratching my head about this lens, as 18mm on a Canon crop is ~29mm in full frame terms - so not really that wide for landscape work.

35mm is effectively 56mm, so I guess at f1.8 it would make a good short portrait lens (covering the FF equivalents of 35mm and 50mm).


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Vixen89
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Apr 18, 2013 10:12 |  #53

Maybe this lens is supposed to be just the counter to the 18-55 but it doesn't sport IS and yeah some users don't need it but would be just nice to have.


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sploo
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Apr 18, 2013 10:13 |  #54

Roshan wrote in post #15841414 (external link)
Dear Sigma,
Please make us FF users a 24-70 1.8 HSM. [/B]

Given that the non-IS Canon 24-70 f2.8 L II has an 82mm front filter I'd suspect an f1.8 version would be pretty chunky!


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Roshan
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Apr 18, 2013 10:20 |  #55

sploo wrote in post #15841443 (external link)
Given that the non-IS Canon 24-70 f2.8 L II has an 82mm front filter I'd suspect an f1.8 version would be pretty chunky!

I want it!!! Maybe then I can leave my primes at home for weddings.




  
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melauer
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Apr 18, 2013 10:22 |  #56

Sirrith wrote in post #15841208 (external link)
2nd part of the post you quoted... ;)

Normally 3rd party lenses don't have different zoom directions for nikon/canon mounts, they stick with just 1.

Yeah yeah, I said explicitly what you just hinted at. Fair enough.

To be even more explicit, here is Sigma's product page (external link) for this lens. Under "Tech Specs" it lists Canon, Nikon and Sigma mounts.

I believe this is Sigma's first Art line (external link) zoom. Perhaps Sigma is going to do things differently than in the past, some sort of Apple-esque "focus on small details to make everything fit flawlessly" sort of thing?




  
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sploo
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Apr 18, 2013 10:45 |  #57

Roshan wrote in post #15841459 (external link)
I want it!!! Maybe then I can leave my primes at home for weddings.

You'd have to: in order to handle the weight of a 24-70 f1.8 :D

Besides, if you really want to leave the primes at home, then surely it'd need to be a 24-70 f1.2. It'll come with a wheelbarrow to carry it in ;)


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bobfather
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Apr 18, 2013 10:46 |  #58

This DOES look pretty great, but at best it just narrows the field between crop and full-frame cameras.

1. It will absolutely not be cheap. Sigma has been impressing me with their price points lately, but I would guess $1000+ for this lens.

2. The range isn't spectacular: 29-56mm with the crop factor figured in. For full frame camera users, a good 35mm prime (such as Sigma's own) could easily foot-zoom to these focal lengths, with obvious framing and perspective difficulties in some cases.

3. f1.8 on a crop gives approximately the same depth of field as f2.8 on a full-frame camera, so no advantage over full-frame cameras here.

4. f1.8 on a crop gives an extra stop of light, but the newer full-frame cameras already have an extra 1.5 stops of noise handling ability over the current crop bodies.

Basically what I'm saying is that on full-frame bodies the 24-70mm lenses available from Canon, Sigma, and Tamron (and Tokina?) already give you functionally equivalent depth of field, light gathering ability, and zoom wider and longer than this new Sigma.

If this lens comes out around $1k, it would be very difficult for me to advocate this lens + a used 7D at ~$1900, over a used 5D2 or 6D + Sigma 24-70 at nearly the same price point.




  
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ChuckingFluff
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Apr 18, 2013 10:56 |  #59

If the price is right I'm in. I'd love to have a fast zoom on a crop for events and night photography.




  
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booja
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Apr 18, 2013 10:56 |  #60

i always wanted a wide to mid range super fast zoom... but for full frame.

like a 24-50mm 1.8... or a 35-70mm. could take care of 3 of my primes all in one




  
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Sigma 18-35 f/1.8 any thoughts?
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