Question about Sigma Zoom Telephoto 170-500mm f/5-6.3 APO Aspherical Autofocus Lens for Canon EOS

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Turn on the canon 20d and comes up with err0 99 but if i zoom out to max 500mm befor i turen the canon on it works ok or untill you try to zoom back in then hits erro 99? please does this in af and manual. regards mark

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Re: Turn on the canon 20d and comes up with err0 99 but...

There is a website devoted to Err99:

I have a Quantaray 100-300 which also displays an Err99 when used in automatic mode. The only way I can use this lens is in AV mode and select the widest aperture.

Posted on Jan 24, 2008

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Why does my lens only zoom to 200

Could be, because most camera's only can auto focus till f/1:5.6. And if 5.6 is reached at the focal length of 200 mm, the camera stops it from going to a part it can't be focused.
Perhaps you try the lens in manual focus, and manual zoom.

Jan 28, 2014 | Sigma Zoom Telephoto 170-500mm f/5-6.3 APO...

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Sigma 170-500mm f.5-5.6. fit on nikon d 200 ??? and i wild like to how good is this one 170-500mm

Sigma makes their lenses with a variety of mounts for a variety of cameras. A lens with a Canon mount, for example, will not fit onto a Nikon camera. Assuming the lens has a Nikon mount, it is fully compatible with the D200.

If you mean the 150-500mm, you can see a review at

In general, Sigma supertelephoto zooms have a pretty good reputation. However, only YOU can decide whether a particular lens is "good enough" for you.

Aug 04, 2011 | Sigma Zoom Telephoto 170-500mm f/5-6.3 APO...

1 Answer

I am putting the sigma 500mm lense on my nikon d90 camera and i am getting a double ee error

Turn the aperture ring to its smallest opening (largest f/number). You can control the aperture from the camera body, the same way you do so on a lens without an aperture ring.

Jul 08, 2011 | Sigma Zoom Telephoto 170-500mm f/5-6.3 APO...

1 Answer

My lens is locked and i cannot zoom

I had the same problem with the same lens. Over a few months it got lose, eventually getting so sloppy that it dropped if my 40D was held down. 10 days ago it jammed and the zoom was locked. I sent it to Canon and received it back in a week and it is now like new. Please don't try and fix it leave it to the experts at Canon. Not sure what the cost was as mine was still just under warranty
I think that this is a common problem with this lens and beleive that something in the lense works loose and eventually drops into the mechanism.

Jun 28, 2010 | Canon EF-S 17-85mm f/4-5.6 IS USM for EOS...

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Sigma 70-300 error 99 on canon 20d &10d

If the macro switch is held on the lens by 2 screws it is to old and will on work on your camera but if yous is a super type it may need a rechip

Nov 13, 2009 | Sigma Zoom Telephoto 70-300mm f/4-5.6 DL...

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Sigma 170-500 f5.6 not focuing at 500mm

I sent my 135-400 to these guys about 18 months ago- speedy service, and quite good rates :)

Mar 09, 2009 | Sigma Zoom Telephoto 170-500mm f/5-6.3 APO...

2 Answers

500mm lens will not function with my Canon digital Rebel XT.

This lens will work with Canon cameras. I use one on my Canon 30D. It is a fixed F8 you can not use auto or green box because there are not any contacts on the lens to talk to the camera. Its back to the basics manual adjust shutter and ISO to the get a correct exposer. DEFINITLY NOT A POINT AND SHOOT LENS.

Dec 11, 2008 | Quantaray 500mm f/8.0 Mirror with Macro...

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