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Old Jan 3, 2004, 5:30 AM   #1
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Default Error code 99

I just purchased a Sigma 300mm f4 macro lens for use on an EOS 10D. When set to Auto functions I get an exposure. However in any of the manual settings, no exposure and a display of error code 99, it is then necessary to power down and then power-up to get camera function again. It is as though the camera cannot control the aperature? Has anyone else had this happen with a third party lens? Is this an electronic incompatibility or a faulty lens? As I have just purchased this lens I don't know if I should send it to Sigma for a rechip or just return it? I was hoping someone out there had experienced this and could answer for the rest of us.
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Old Jan 3, 2004, 5:31 AM   #2
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Hi,

Some Sigma lenses are not fit for the 10D.
You can send them to Sigma for free rechipping.

Greetings,
Frank
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Old Jan 3, 2004, 6:11 AM   #3
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Some older Sigma lenses manufactured before 2000 will have this problem, and will need to be upgraded and adjusted for free...
http://www.stevesforums.com/phpBB2/v...highlight=2000

... To be safe buy only Sigma's HSM lenses: Theses are the Ultrasonic and never had any compatibility issue; These type of lenses are both faster, silent in operation and they allow the photographers to manually overide the AF on the fly without having to flip any switch first!
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Old Jan 5, 2004, 12:18 PM   #4
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Default Sigma Lenses

I was at Wolf Camera Supertore over in Birmingham, AL back in early December looking at the Sigma 24-70mm 2.8 & the salesman told me that it would not work on the DRebel. I did put it on My EOS-3 inside the store & it did fine. He pulled a DRebel off the shelf, set it to "automatic" & said it doesn't focus!?? He also told me that NO Sigma lenses that are the EX type will work with the DRebel.
I have heard from others that he lied.
My question is this. Why buy a Brand New lens & then have to send it to Sigma to have to get it re-chipped???
Your comments?
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Old Jan 5, 2004, 9:50 PM   #5
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Quote:
My question is this. Why buy a Brand New lens & then have to send it to Sigma to have to get it re-chipped???
Your comments?
Well all I can say is, I only have 3 Sigma EX lenses and they perform flawlessly right out of the box (what re-chipping?) for me:
1. 17-35mm f2.8-4 EX Aspherical HSM
2. 70-200mm f2.8 EX APO IF HSM
3. 50-500mm f4-6.3 EX APO RF HSM

http://www.vividlight.com/articles/1813.htm
http://www.belgiumdigital.be/albums/...igma70_200_01/
http://zplus.clubsnap.org/images/200...0d/index3.html
or
Check or call the source:
SIGMA Corporation of America
Service Department
15 Fleetwood Court
Ronkonkoma, NY 11779
Tel: 631 585-1144
Fax: 631 585-1895
e-mail: [email protected]
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Old Jan 5, 2004, 10:30 PM   #6
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Thanks for that info! I may order me a 24-70mm 2.8 Sigma, as I am NOT about to pay the price for the Canon 24-20mm 2.8L!
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Old Jan 5, 2004, 10:46 PM   #7
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FYI

http://www.stevesforums.com/phpBB2/v...383&highlight=
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Old May 4, 2005, 9:49 AM   #8
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Railfire wrote:
Quote:
Thanks for that info! I may order me a 24-70mm 2.8 Sigma, as I am NOT about to pay the price for the Canon 24-20mm 2.8L!

The sigma may be cheaper, but the image quality and the resale value of the Canon is far greater than the Sigma. Plus, the compatibility factor would play an important role in the future.
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Old May 4, 2005, 10:26 AM   #9
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pascal03 wrote:
Quote:
The sigma may be cheaper, but the image quality and the resale value of the Canon is far greater than the Sigma. Plus, the compatibility factor would play an important role in the future.
Oh yeah - Do you know how to read an MTF charts?

FYI -
http://www.pbase.com/fstopjojo/image/40915624
http://www.pbase.com/fstopjojo/image/40915621
http://www.pbase.com/fstopjojo/image/40915622


At three time the price you better hope it holds its value!
1. None of the EX (which the 24-70 is) - their 'professional' line has had any compatibility issue
2. You're covered for at least 4 years (not just 1)
3. If you did run into problems, they've been retrofitting them for free

Just go on Ebay and check for fast f/2.8 Sigma EX that do not hold value - Not too many hey???
You'll find a lot more of Canon's bottom liners (that do not hold value) that no one wants :idea:
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Old May 4, 2005, 10:49 AM   #10
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The Sigma lenses I've fiddled with (All EX) start out costing less than the name brand white lens. They are either as sharp or sharper than the equivalent name brand.

And least here in Canada their resale value stays high, if you can find any used EX ones for sale at all.

Last I checked in Canada Sigma was warrantied for free replacement for 7 years and Tamron for 6 years. Canon I believe is still 1 year.

I just got to play with the Sigma 120-300 F2.8, NICE lens but holy hernia batman. I think I'll stick to the 70-200 F2.8 just to save my back.:idea:

Peter.



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