Question about Sigma 24-70mm F3.5-5.6 AF Zoom Lens

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Sigma 24-70 2.8 EX DG AUTOFOCUS PROBLEM

I just got this lens for Christmas 07 with less than 100 pictures on it and now the autofocus doesn't work. When I depress the button it slightly moves around infinity symbol but that is it. Sometimes I can depress the button all the way and it wont take the shot. I can manually focus and when I move the focus ring from manual to auto ever so slightly I feel & hear a click. Then sometimes it will focus but inevitably ends back over at infinity. I have it on a Canon 20D and my Canon 70-200 2.8 has no trouble when I attach it, regarding focus. I bought this lens because the price was better, I;m beginning to wonder if I get what I paid for. Any thoughts.

Mike

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  • Mike Deisem
    Mike Deisem Jan 25, 2008

    Bought it new from Sigma4Less.

  • Kevin Pettit
    Kevin Pettit May 11, 2010

    Was it a retail purchase or auction site?

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  • 39 Answers

I would send it into sigma. They are in NY,
They are really quick about checking things out and I have neverhad them charge me to look at a lens and tell me whats up. aot of times they will just fix it while it there is it looks like something is worn out from normal use.
its a great lens. Some would say its a slower focus. than the Canon brand and you do get what you pay for but its hard to spend as much on canon lenses as they want. :)

Hope that helps,
Caleb

Posted on Jul 02, 2008

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SOURCE: I have a Sigma 24-70 2.8 EX DG Autofocus will not work.

Call Sigma. Here is the information. They will be able to help you for sure. To request assistance by phone in the US, their technicians are available from 9AM to 5PM Eastern Standard Time, Monday through Friday. Please call: (631) 585-1144.
Customer Service Department call toll free (800) 896-6858.
You can also fax them 24 hours a day.
Fax: (631) 585-1895 or (631) 585-7661

Posted on Jan 25, 2008

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1 Answer

Bought a Sigma DG 70-300mm 1:4-5.6 autofocus for my Nikon D40. When the lens is attached the settings get locked on MF. Is there anything I need to adjust to fix this problem? Charles


The Sigma 70-300mm f/4-5.6 DG will not autofocus with the D40 since the lens does not feature an internal focusing motor (HSM). The D40 does not have an AF motor in the body and hence it can autofocus only with lenses featuring an integrated motor (eg. Nikon AF-S lenses, Sigma HSM lenses, Tokina DX II series etc). Unfortunately you can use the said lens only in MF mode.

Sep 02, 2010 | Sigma 70-300mm f/4-5.6 DG Lens

1 Answer

I have a Sigma 24-70 2.8 EX DG Autofocus will not work.


Call Sigma. Here is the information. They will be able to help you for sure. To request assistance by phone in the US, their technicians are available from 9AM to 5PM Eastern Standard Time, Monday through Friday. Please call: (631) 585-1144.
Customer Service Department call toll free (800) 896-6858.
You can also fax them 24 hours a day.
Fax: (631) 585-1895 or (631) 585-7661

Jan 25, 2008 | Sigma 24-70mm F3.5-5.6 AF Zoom Lens

1 Answer

Sigma User Manual for 105mm f2.8 Macro


Hi there,

Well you can please follow the link below to get your manual -

http://www.dphotojournal.com/sigma-105mm-f28-ex-dg-macro-reviews-sample-photos/

(click on the manual tab and then click on - Download Sigma 105mm f/2.8 EX DG Macro User Manual (PDF – 67kb), thats it)

Good Luck!!

Thanks for using FixYa!!

Jul 27, 2010 | Sigma Telephoto 105mm f/2.8 EX Macro...

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How do you make af work on nikon 3000, using a sigma 70-300 f4-5.6 dg macro lens?


Unfortunately, you don't. The D3000 does not have an autofocus motor; it relies on the the lens having one. This particular Sigma lens, unlike its Nikon equivalent, does not have a motor.

Nikon calls their lenses with an autofocus motor AF-S. Sigma calls theirs HSM.

Jun 10, 2010 | Sigma 70300mm F456 DG Macro Telephoto Zoom...

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My Sigma 70-300 doesn't workin autoFocus mode. It


That lens is not an AFS type lens. The D40x camera only uses AFS compatible lenses. You could still mount and use it in M, but it will never give you autofocus or TTL flash.

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1 Answer

135-400mm lens on nikon d40


Unfortunately, this lens is not supported by the D40 due to Nikon's unfortunate decision to leave out the autofocus motor from this camera.  This is why I tell folks not to waste their money on the D40 - access to the many, many, many lenses that Nikon has made over the years, many of which are available used for a substantial savings, is lost on this camera.  The only Nikon lenses that work are AF-S lenses, and some third party lenses that have their own internal motors.  I got a list of Sigma lenses that are compatible with the D40 for you:
The list of compatible Sigma lenses for the Nikon D40 as of the current date is as follows:
  • 10-20mm F4-5.6 EX DC
  • 12-24mm F4.5-5.6
  • 17-35mm F2.8-4 DG
  • 50-500mm F4-6.3 DG
  • APO 50-150mm F2.8 EX DC HSM
  • 70-200mm F2.8 DG MACRO
  • 80-400mm F4.5-5.6
  • 100-300mm F4 DG
  • 120-300mm F2.8 DG
  • 300-800mm F5.6 DG
  • 14mm F2.8 EX
  • 30mm F1.4 EX DC HSM
  • 150mm F2.8 EX DG
  • 180mm F3.5 EX DG
  • 300mm EX DG
  • 500mm EX DG
  • 800mm f5.6 EX DG
from here:  http://www.imaging-resource.com/NEWS/1177682545.html
Sorry for the bad news.  The cheaper thing at this point may be to sell the D40 and get a D80.  I personally have a D70S, but that is no longer made.  

Dec 06, 2007 | Sigma Zoom Tele 135-400mm f/4.5-5.6 APO...

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