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Archive 2013 · Pre-order: Sigma 24-105mm f/4 OS Art for $899
  
 
garyvot
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p.13 #1 · p.13 #1 · Pre-order: Sigma 24-105mm f/4 OS Art for $899


skibum5 wrote:
It seems less likely though looking at the lenstip samples. It'll be lucky to even match the 24-105 it appears (while costing more and weighing more and using more expensive filters and being a bit larger too).


I thought the same thing at first too, but a quick check in DPP says those images were captured using a Neutral Picture Style with zero sharpening, rather than with the default Standard Picture Style with sharpening of 3.

I loaded one in Photoshop and applied a typical low-radius unsharp mask filter (250 / 0.3 / 0) that similar to what I would use with a RAW image converted with zero sharpening in ACR. The image sharpened up quite well without visible artifacts, which is what I would expect given a zero sharpening workflow. And it would have been even better had it not been captured originally as a JPEG.

Try it to see for yourself.

All that being said, I'm still having trouble understanding the appeal of a 3rd party f/4 lens in this range, particularly one so much heavier and bulker. Perhaps the corners will prove to be better than the 24-105L IS, but it's still hard for me to get excited about it.



Nov 02, 2013 at 10:07 PM
skibum5
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p.13 #2 · p.13 #2 · Pre-order: Sigma 24-105mm f/4 OS Art for $899


garyvot wrote:
I thought the same thing at first too, but a quick check in DPP says those images were captured using a Neutral Picture Style with zero sharpening, rather than with the default Standard Picture Style with sharpening of 3.

I loaded one in Photoshop and applied a typical low-radius unsharp mask filter (250 / 0.3 / 0) that similar to what I would use with a RAW image converted with zero sharpening in ACR. The image sharpened up quite well without visible artifacts, which is what I would expect given a zero sharpening workflow. And it would have been even better
...Show more

yeah that makes the center look better but it doesn't help the edges much at all which is where the problem was really screaming out, at least at 24mm



Nov 03, 2013 at 02:45 AM
ebiggs
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p.13 #3 · p.13 #3 · Pre-order: Sigma 24-105mm f/4 OS Art for $899


EB-1 wrote:
It is a hard sell for those of us who have had so many problems with Sigma lenses for 25+ years. Things like the front end just falling apart, coating coming off, AF failing after 3 weeks of use and Sigma claiming that it was abuse, AF being totally unacceptable, etc. are not what I want to put up with thousands of miles from a camera shop. Some of the newer Sigmas are more expensive than in the past and I hope better built.

EBH


I am one of those guys that is down on off-brand 3rd party lenses. Never, never! But...........as things go, I broke down and bought the Sigma 85mm f1.4. Now let this skeptic say, this is a very nice lens. Maybe, probably better than my Canon 85mm and at less than half the price. So much appreciation from the 85mm, I got the 35mm f1.4.
This may well be the best 35mm available, period. (not weather sealed)
There certainly is something going on at Sigma. These offerings are fantastic and well built. No issues with either.

Now it is certain there are some junk, absolute junk, from Sigma, too. Plus I am still firm against other 3rd party lenses. Even and including Tokina and Tamron with on caveat from Tamron. The 24-70mm f2.8 as a buddy has one and it is very, very good. I may have to alter my beliefs again! It's problem is, it is getting into the pricey area.

Sigma's biggest problem right now is no weather sealing. Canon better look over their shoulder and see what is catching up.



Nov 03, 2013 at 05:17 PM
Volks1470
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p.13 #4 · p.13 #4 · Pre-order: Sigma 24-105mm f/4 OS Art for $899


stargazer78 wrote:
I don't know why people are complaining about the samples at lenstip. Remember, those were out-of-camera JPEGs with sharpening set to the absolute minimum. All things considered, I thought the samples looked promising.

I also looked at a few wide-open shots @f4, and they had good center sharpness. All in all, the lens might prove to be a slight upgrade over the 24-105L, which is currently the best lens of its class.


Yea, i'm thinking this is just a 'problem' with lenstip.com photos.

After reviewing the 70-200mm f/2.8 IS II review. Even those photos look really soft too.



Nov 03, 2013 at 05:42 PM
Lars Johnsson
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p.13 #5 · p.13 #5 · Pre-order: Sigma 24-105mm f/4 OS Art for $899


Lloyd Chambers at diglloyd have got the lens. And he will write about the Sigma later


Nov 03, 2013 at 05:44 PM
Pixel Perfect
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p.13 #6 · p.13 #6 · Pre-order: Sigma 24-105mm f/4 OS Art for $899


Volks1470 wrote:
Yea, i'm thinking this is just a 'problem' with lenstip.com photos.

After reviewing the 70-200mm f/2.8 IS II review. Even those photos look really soft too.


We cannot make calls when the sample size is 1. Roger Cicala usually tests a batch of them and plots all the results which should give you a better idea of sample variability. Hopefully he'll get some in soon.



Nov 03, 2013 at 10:09 PM
EB-1
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p.13 #7 · p.13 #7 · Pre-order: Sigma 24-105mm f/4 OS Art for $899


They rent Sigma lenses too?

EBH



Nov 03, 2013 at 10:22 PM
galenapass
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p.13 #8 · p.13 #8 · Pre-order: Sigma 24-105mm f/4 OS Art for $899


They sure do.


Nov 03, 2013 at 10:45 PM
skibum5
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p.13 #9 · p.13 #9 · Pre-order: Sigma 24-105mm f/4 OS Art for $899


Volks1470 wrote:
Yea, i'm thinking this is just a 'problem' with lenstip.com photos.

After reviewing the 70-200mm f/2.8 IS II review. Even those photos look really soft too.



Yeah, maybe we are not being fair pouncing on the IQ yet. It may be the whole syndrome where whoever gets the first copies, for whatever reason, never seems to be able to take a sharp shot with anything of anything thing again.



Nov 04, 2013 at 04:09 AM
fredmirandafan
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p.13 #10 · p.13 #10 · Pre-order: Sigma 24-105mm f/4 OS Art for $899


Hi guys, I've never shot with a FF zoom lens before, so this Sigma 24-105/4 seems to be a great travel lens. It's longer and has constant aperture compare to the Nikon 24-85 VR. My concern is whether the Nikon 24-120/4 will be a better buy or not? I've read many reviews of 24-120/4 the majority of which are giving thumbs down for the 24-120/4 due to IQ issues especially when used on the D800E. Will this Sigma be better given their amazing track record lately?


Nov 21, 2013 at 11:08 AM
 

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galenapass
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p.13 #11 · p.13 #11 · Pre-order: Sigma 24-105mm f/4 OS Art for $899


Wrong forum...try the Nikon board.


Nov 21, 2013 at 04:14 PM
roberto1979
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p.13 #12 · p.13 #12 · Pre-order: Sigma 24-105mm f/4 OS Art for $899


Got my shipping confirmation this afternoon. I'll report back when I have a chance to shoot with it.


Dec 02, 2013 at 03:00 AM
dthrog00
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p.13 #13 · p.13 #13 · Pre-order: Sigma 24-105mm f/4 OS Art for $899


This is an old thread, but there's not much Sigma 24-105 discussion here. This thread appears to be the longest Sigma 24-105 discussion on FM.

Who ended up buying the lens? Are you satisfied with it?

Frogfish on the Nikon forum posted some excellent photos, but I haven't much on Canon.

http://www.fredmiranda.com/forum/topic/1302976/1

Thanks
Dave



Sep 01, 2014 at 10:36 PM
johnctharp
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p.13 #14 · p.13 #14 · Pre-order: Sigma 24-105mm f/4 OS Art for $899


I don't know if there's much to say; it's a very fine lens, but I'd bet that it's popularity on the Nikon mount (if it is indeed more popular) would have more to do with the 24-70/4L IS being largely a better alternative for Canon shooters (particularly, it's smaller and lighter), and the lack of such a lens in Nikon's lineup.


Sep 02, 2014 at 01:48 AM
dthrog00
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p.13 #15 · p.13 #15 · Pre-order: Sigma 24-105mm f/4 OS Art for $899


johnctharp wrote:
I don't know if there's much to say; it's a very fine lens, but I'd bet that it's popularity on the Nikon mount (if it is indeed more popular) would have more to do with the 24-70/4L IS being largely a better alternative for Canon shooters (particularly, it's smaller and lighter), and the lack of such a lens in Nikon's lineup.


Not trying to step on anyone's toes who owns it, but IMHO the 24-70 f/4 IS is a non-starter. Based off internet reviews (no actual personal use) it has:

- Focus shift issues
- Mediocre image quality in the middle of the zoom range (50mm)
- A gimmick macro feature that offers very little working distance

At $1,500 the price was ridiculous, at $1,000 I still don't think it offers much value. If staying Canon I'd much prefer the 24-105L.

Dave



Sep 02, 2014 at 01:55 AM
johnctharp
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p.13 #16 · p.13 #16 · Pre-order: Sigma 24-105mm f/4 OS Art for $899


I prefer my 24-105L as well, but that's largely because of it's price in a kit.

If I had to pick a standard zoom for ~$1,000, I'd be trying to choose between the 24-70/4L IS and the 24-70/2.8 VC; if I'm going to carry around around something heavy, it might as well be fast.

And I think that the 24-70/4L IS deserves more credit than you're giving it, having read what FM'ers have said about it, and produced shooting it.



Sep 02, 2014 at 02:14 AM
Ian.Dobinson
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p.13 #17 · p.13 #17 · Pre-order: Sigma 24-105mm f/4 OS Art for $899




Not trying to step on anyone's toes who owns it, but IMHO the 24-70 f/4 IS is a non-starter. Based off internet reviews (no actual personal use) it has:

- Focus shift issues
- Mediocre image quality in the middle of the zoom range (50mm)
- A gimmick macro feature that offers very little working distance

At $1,500 the price was ridiculous, at $1,000 I still don't think it offers much value. If staying Canon I'd much prefer the 24-105L.

Dave


its funny , I asked about the lens (24-70) a few weeks ago as I'm considering one and the response from ACTUAL OWNERS on that thread and a few others ive come across is ALWAY positive .


- Focus shift issues --- this would be an area of concern but I haven't seen many complaining about it

- Mediocre image quality in the middle of the zoom range (50mm) --- seems overblown . yes apparently its softer in the middle but I gather that still makes it sharper than some other options

- A gimmick macro feature that offers very little working distance --- gimmicky ? at least it does allow some degree of close up use . its never going to replace a macro lens but then again your never actually compelled to use it




Sep 02, 2014 at 06:19 AM
Paul Mo
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p.13 #18 · p.13 #18 · Pre-order: Sigma 24-105mm f/4 OS Art for $899


johnctharp wrote:
...if I'm going to carry around around something heavy, it might as well be fast.


Indeed. As much as I love my 35 f1.4 Art its weight puts me off thinking about the 50 f1.4 Art (my Zuiko 50 f1.2, albeit without AF, is petite by comparison. ) or this new f4 zoom.

I would be worried about the heft of this. Time will tell. If it smokes the 24-70 f2.8L II in terms of sharpness across the range it may be worth it.



Sep 02, 2014 at 07:49 AM
johnctharp
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p.13 #19 · p.13 #19 · Pre-order: Sigma 24-105mm f/4 OS Art for $899


Paul Mo wrote:
If it smokes the 24-70 f2.8L II in terms of sharpness across the range it may be worth it.


Smokes (DxOMark) may not be the appropriate term, but with the 24-70/2.8L II at f/4, the new Sigma trades minor blows across their shared focal lengths.

I dare say that if I were looking for a slow standard lens that I would definitely consider the Sigma if I found myself not so bothered by the increase in size and weight and needed a lens that would provide a definite step up in image quality over my 24-105L, and that the deciding factor between the Sigma and the Tamron 24-70/2.8 VC would likely be other issues such as AF speed, AF tracking, effectiveness of image stabilization, and any handling quirks or annoyances that detract from the picture taking experience.



Sep 02, 2014 at 08:41 AM
dthrog00
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p.13 #20 · p.13 #20 · Pre-order: Sigma 24-105mm f/4 OS Art for $899


I can't imagine it beating the 24-70 II on image quality. Results are generally good though.

Lens Rentals comparison

Lens Tip Image Quailty

Photozone Image Quality

Basically, it's supposed to be just a little bit better image quality than the 24-105L with less barrel distortion at the wide end and about a 1/2 stop better t-stop.

It's not night and day better per any of the review sites against the 24-105L.

I was primarily curious about real users results. I've seen some on the FM Nikon forum, but not on Canon. The 24-105L still seems to hold its own quite well.

Dave



Sep 02, 2014 at 11:36 AM
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