Sigma 12-24 first impressions

Started Dec 1, 2003 | Discussions
peteb Veteran Member • Posts: 5,010
Re: People! I think he means for the price of a 10D + £600 ;-)

Yes, he might, but that would leave you with a camera and no lens - kinda not helpful right?

Sure, IF you already have the 17-40L then upgrading your body instead of getting a wider lens is an option, but since the 17-40 on a 1D is efectively 22.1mm, where the 12-24 is effectively 19.2 it is still not 100%

IF you are starting from owning neither the 17-40L or 1D the whole package starts getting expensive though.

I agree with Adam's sentiments, I think people buying glass now for their 300Ds and 10Ds are going to be a little dissapointed with how it looks on a full sensor, however we don't know when that will be affordable. Given that full frame in Canon-land currently sets you back huge $, there is compromise. The nature of compromise is that it isn't perfect of course...

For me, looking at the way of things, I see the Sigma 15mm 2.8 in my future at the wide end. A fast wide lens, not the world's best, but under 1/2 price of the 17-40L.

OP p5freak Senior Member • Posts: 2,860
Re: Sigma 12-24 first impressions

You cant. There is no thread. But you can use gel filters.

narong wrote:

Thank you very much for your report.

Could you please tell us whether or not we can put UV filter on
this lens?

Narong

Eugene Powers Forum Pro • Posts: 10,108
Re: What are you on about ??

You bitched to them too late about 80-400 so now starting with 12-24,

in your honor, every EX lens gets HSM. At least that is what Sigma tech told me then I called.

Eugene

Adam-T wrote:

Because Adam-T repeatedly bitched to Sigma about it.

That was the 80-400OS not the 12-24 - and if Sigma Fitted any
technology to a lens which they otherwise wouldn't because I
"bitched" to them about it, I'd be severely honoured! .

-- hide signature --

Canon is the best then it is working.

Eugene Powers Forum Pro • Posts: 10,108
Not yet...

They are going to receive it this Thursday.
And then at least 2 weeks in testing.
As long as I get it back for the trip to CES in January I will be happy.

Eugene

Stefan Schott wrote:

Did you get your 120-300 back from Sigma yet?

Ciao
Stefan

-- hide signature --

Canon is the best then it is working.

Robert Sheldon Senior Member • Posts: 2,246
You CAN put a UV on

You can put a UV filter on it the same way you do for the 15-30. You use the lens cap hood. This will only work for cameras such as the 10D that have a 1.6X crop factor.

Bob Sheldon

p5freak wrote:
You cant. There is no thread. But you can use gel filters.

narong wrote:

Thank you very much for your report.

Could you please tell us whether or not we can put UV filter on
this lens?

Narong

-- hide signature --

Bob Sheldon

Tim L Regular Member • Posts: 148
Re: Thanks for filling request!

Thanks for honoring my interior bounce shots request! I appreciate your time! Hope you didn’t have to clean your house too much as everything is nice and tidy

Tim

p5freak wrote:

I have rented the Sigma 12-24 until thursday to test it. Thats
possible in germany only, AFAIK.
http://www.sigma-foto.de/digital/promotion/sd9tour2.html
This lens is big in diameter, now i understand why its not
f3,5-4,5. The lens hood is made of two parts, as you can see below.
Just like a size comparison with the 17-40L. Its only f4,5 at 12mm,
if you go to 13 its f5 and stays there until 18, then its f5,6 up
to 24mm. Look and feel, build quality is very good, i didnt see
anything bad. I noticed soft corners wide open, which sharpen up
when stopping down and almost disappear at f11. I'd say its useable
from f5,6 and higher. Sweet spot appears to be f11.
The perspective from 18mm is fun to play with, i never ever had a
lens or digicam with a AOV that large. I started with more than
35mm, now on my 10D i have 27mm (17-40L) and i really like the look
18mm gives. One funny snapshot can be found here :

http://forums.dpreview.com/forums/read.asp?forum=1029&message=6812512 Poor dog :-).
AF is silent, but neither really slow nor really fast. I would say
its up to Micro USM speed. I really dont understand why Sigma
includes HSM in an ultra wide angle zoom lens, makes no sense to
me. And it does not focus correctly at close distances. I shot a
lens res test chart with AF and it focused at 0,5m, while correct
distance is 0,3m. Thats at 12mm. At 24mm it focused at 1m, the
correct distance is 0,55m. When i focused manually the camera
confirmed focus lock by beeping. However, it did confirm the wrong
distance by beeping too.
I didnt notice any focus issues when shooting far away objects like
houses.

House Test shots at f5 to f11 (Original Files)

http://www.p5freak.de/canon/original/img_5828.jpg
http://www.p5freak.de/canon/original/img_5829.jpg
http://www.p5freak.de/canon/original/img_5830.jpg
http://www.p5freak.de/canon/original/img_5831.jpg

More Original size shots (same as below, but full size) :

http://www.p5freak.de/canon/original/img_5894.jpg
http://www.p5freak.de/canon/original/img_5894.jpg
http://www.p5freak.de/canon/original/img_5894.jpg
http://www.p5freak.de/canon/original/img_5894.jpg

Lens res test chart center crops (AF shots are OOF, MF shots are IF) :

http://www.p5freak.de/canon/original/12-24b.jpg
http://www.p5freak.de/canon/original/12-24c.jpg
http://www.p5freak.de/canon/original/12-24d.jpg
http://www.p5freak.de/canon/original/12-24e.jpg
http://www.p5freak.de/canon/original/12-24f.jpg
http://www.p5freak.de/canon/original/12-24g.jpg
http://www.p5freak.de/canon/original/12-24h.jpg
http://www.p5freak.de/canon/original/12-24i.jpg

Shots that show the perspective from 18mm :

http://www.p5freak.de/canon/original/12-24k.jpg
http://www.p5freak.de/canon/original/12-24m.jpg

Indoor shots with flash :

http://www.p5freak.de/canon/original/12-24l.jpg
http://www.p5freak.de/canon/original/12-24n.jpg
http://www.p5freak.de/canon/original/12-24o.jpg

If youd like to have the lens res chart shots emailed just tell me,
i cant upload any more photos.

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AdamT
AdamT Forum Pro • Posts: 60,996
Re: What are you on about ??

You bitched to them too late about 80-400 so now starting with 12-24,
in your honor, every EX lens gets HSM. At least that is what Sigma
tech told me then I called.

So you are saying that a Sigma Tech in the USA has heard of me and has persuaded Sigma Japan to make sure that every EX lens has HSM because I told Sigma UK that there were a lot of rumblings on the forum that the lack of it on the 80-400OS is likely to put a lot of people off buying it ?..

Sheesh, I didn't realise that the Regional branches of Sigma had any pull let alone ME - I'm REALLY Honoured now!!

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Bo Regular Member • Posts: 322
Re: They had mine for nearly two months

I have a 15-30 that needed to be fixed to work with my 10D and it took them 2 days more then two months. That's with me calling every 3 days. I hate to see what they do for somehting more.

Bo

Eugene Powers wrote:
They are going to receive it this Thursday.
And then at least 2 weeks in testing.
As long as I get it back for the trip to CES in January I will be
happy.

Eugene

Stefan Schott wrote:

Did you get your 120-300 back from Sigma yet?

Ciao
Stefan

OP p5freak Senior Member • Posts: 2,860
Re: You CAN put a UV on

No, you cant. There is no thread in there. It looks like one, but it isnt.

Robert Sheldon wrote:

You can put a UV filter on it the same way you do for the 15-30.
You use the lens cap hood. This will only work for cameras such as
the 10D that have a 1.6X crop factor.

Eugene Powers Forum Pro • Posts: 10,108
Of course...

Don't you know that every branch of any company reports to headquaters about their customers complaints?

Why do you think they re-issue 17-35. You complained that it was really bad so now it is supposed to be better and it has HSM!!!

Pretty soon, they told me, ( they are working on it ) they are going to rename every lens that meets your approval, of course, ADAM-T lens instead of EX.

Eugene

Adam-T wrote:

You bitched to them too late about 80-400 so now starting with 12-24,
in your honor, every EX lens gets HSM. At least that is what Sigma
tech told me then I called.

So you are saying that a Sigma Tech in the USA has heard of me and
has persuaded Sigma Japan to make sure that every EX lens has HSM
because I told Sigma UK that there were a lot of rumblings on the
forum that the lack of it on the 80-400OS is likely to put a lot of
people off buying it ?..

Sheesh, I didn't realise that the Regional branches of Sigma had
any pull let alone ME - I'm REALLY Honoured now!!

-- hide signature --

Canon is the best then it is working.

Eugene Powers Forum Pro • Posts: 10,108
That is because....

they gave me yours 15-30 as soon as they fixed it and you got my 15-30
Mine had big dent in the body so they had to bondo it and repaint it.
Took a long time for the paint to dry.

Eugene

Bo wrote:
I have a 15-30 that needed to be fixed to work with my 10D and it
took them 2 days more then two months. That's with me calling
every 3 days. I hate to see what they do for somehting more.

Bo

Eugene Powers wrote:
They are going to receive it this Thursday.
And then at least 2 weeks in testing.
As long as I get it back for the trip to CES in January I will be
happy.

Eugene

Stefan Schott wrote:

Did you get your 120-300 back from Sigma yet?

Ciao
Stefan

-- hide signature --

Canon is the best then it is working.

AdamT
AdamT Forum Pro • Posts: 60,996
Re: Of course...

Why do you think they re-issue 17-35. You complained that it was
really bad so now it is supposed to be better and it has HSM!!!

The old one had HSM (though I think it was a form of "Micro" HSM.. It was about time they replaced that 17-35 with something that worked properly ..

Shame it too them that long to listen to Stefan Schott over the 120-300 Comparator chip issue and HE DOES have the ear of Sigma

going to rename every lens that meets your approval, of course,
ADAM-T lens instead of EX.

Sarcasm Eugene! Ouch!

-- hide signature --

Please ignore the Typos, I'm the world's worst Typist

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Eugene Powers Forum Pro • Posts: 10,108
Re: Of course...

I was wondering how long I can jerk your chain.. HA, HA, HA

On the serious note. What do you think these chips grow on a tree?

They probably heard Stefan the first time but they needed some time to come up with a solution. BTW in case you missed it my 120-300 is in Sigma hands now too. My did not suffer from back focusing but worked really lousy with 2x converter at infinity. Yet this Sigma 2x works fine on Canon 70-200 IS. Go figure.

Eugene

Adam-T wrote:

Why do you think they re-issue 17-35. You complained that it was
really bad so now it is supposed to be better and it has HSM!!!

The old one had HSM (though I think it was a form of "Micro" HSM..
It was about time they replaced that 17-35 with something that
worked properly ..

Shame it too them that long to listen to Stefan Schott over the
120-300 Comparator chip issue and HE DOES have the ear of Sigma

going to rename every lens that meets your approval, of course,
ADAM-T lens instead of EX.

Sarcasm Eugene! Ouch!

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Canon is the best then it is working.

AdamT
AdamT Forum Pro • Posts: 60,996
Re: Of course...

in Sigma hands now too. My did not suffer from back focusing but
worked really lousy with 2x converter at infinity. Yet this Sigma
2x works fine on Canon 70-200 IS. Go figure.

Now THAT is weird, no doubt they'll "sort" it and it'll be backfocussing like the rest .... Sorry couldn't resist...

At least it would seem that Sigma DO listen, canon don't seem to .

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Please ignore the Typos, I'm the world's worst Typist

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Ryan Li Senior Member • Posts: 1,338
Can't put a UV on?

Robert Sheldon wrote:

You can put a UV filter on it the same way you do for the 15-30.
You use the lens cap hood. This will only work for cameras such as
the 10D that have a 1.6X crop factor.

p5freak wrote:

No, you cant. There is no thread in there. It looks like one, but
it isnt.

Really? That is such a huge shame, I was thinking of getting that lens just so that I could use 15-24mm with a UV filter on at all times, aaagh. My 15-30mm has suffered (champagne!) in the past without a UV filter, and it's on my camera 80-90% of the time.

Hmm, I have to rethink my Christmas plans. perhaps I should buy the 12-24mm along with a cheapo 18-50mm DC for more "dangerous" situations (e.g. when there's a crowd with alcohol about, in parties). Or 15mm fisheye with a Canon 17-40mm L. Decisions!

I wonder if there is any way to fix a UV to the inside of the removable lens cap hood.

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AHB Contributing Member • Posts: 827
Re: huh???

Hallo, hi Greg,

Werkt deze site ook met zoeken naar de goedkoopste lens?
Does this website has a search-ability for finding the cheapest lenses too?
Groet, Regards, Arno

Greg VdB wrote:

check this Adam, prices (in €) of the 1D in all the internet shops
of the Netherlands:

http://www.kieskeurig.nl/nl/product.nsf/pricelist/87B93848F2AEB70CC1256B71005AB61E.htm
that's a huge difference with 600 GBP....
--
Greg Van den Bleeken
http://www.pbase.com/gbleek
http://gregvandenbleeken.instantlogic.com

-- hide signature --

Arno

alex Regular Member • Posts: 495
Re: AF errors

Stefan Schott wrote:

I was afraid you would say that. Obviously Sigma still didn't get
to grips with Canon's AF. I have experienced AF errors, huge at
times, with all Sigma lenses I have owned/tried, namely the 15-30
EX, 24-70/2.8 EX, 24-135/2.8-4.5, 70-200/2.8 EX, 100-300/4 EX,
300/4 Apo Macro HSM and 120-300/2.8 EX. It seems Sigma just don't
have what it takes to make their lenses focus accurately on Canon
bodies.

I can't understand this. The camera is the thing that decides whether the image is in focus or not. How are any focus problems the fault of the lens?

Stefan Schott Veteran Member • Posts: 5,877
Re: AF errors

alex wrote:

I can't understand this. The camera is the thing that decides
whether the image is in focus or not. How are any focus problems
the fault of the lens?

Canon's AF functions differently from Nikon's in that the lens actually has something to say about AF lock. It's bloody stupid imho because the lens doesn't do the phase detection, it's the camera that does it, like you rightly say. With Canon's AF you can never be sure whether the lens or the body is to blame, or both, when AF errors occur.

Yesterday I received my 1.8/85 back from Canon where is was adjusted for correct AF behaviour. I talked to the Canon tech and this particular lens can be adjusted in four steps from -2 to +2. In order to do that, it is necessary to dismantle the lens and do some soldering.

In this case I was sure that body is not to blame because it had been adjusted by CPS previously, so I sent in the lens without the body. When the lens returned, I found it to indeed focus correctly now.

Regards
Stefan

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»We've experienced the fact that the perceptions of an expert surpass the precision of measuring instruments.« Nakabayashi-san of Canon, Inc.

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