70D and Sigma 18-250mm

Started Sep 24, 2013 | Questions
FHShort
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70D and Sigma 18-250mm
Sep 24, 2013

Does anyone know if this camera and lens combination works?

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Frank

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Canon EOS 70D
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Canon EOS 70D
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vlab
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Re: 70D and Sigma 18-250mm
In reply to FHShort, Sep 24, 2013

It should say in specs if it is compatible with Canon. Or have mounts for different cameras and choose for Canon.

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Panasonic Lumix DMC-FZ50 Canon PowerShot S95 Canon EOS 60D Canon EOS 70D Canon EF-S 15-85mm f/3.5-5.6 IS USM +4 more
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Mark B.
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Re: 70D and Sigma 18-250mm
In reply to FHShort, Sep 24, 2013

FHShort wrote:

Does anyone know if this camera and lens combination works?

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Frank

The Sigma is compatible with EF and EF-S mounts (though it will result in vignetting on the former).  No, I haven't tried it myself.  If, however, it doesn't work then it would be on Sigma to update the lens or update their compatability specs.

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Cafephoto
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Re: 70D and Sigma 18-250mm
In reply to FHShort, Oct 7, 2013

I have both 70D and Sigma 18-250 macro HSM (the new model), there is a little problem with the AF at 250mm because the aperture is only 6,3 and it's a bit dark for well focusing.

There is also the same problem with a 650D.

New Canon bodies seem to have glitches with non-Canon lenses.

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Mark B.
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Re: 70D and Sigma 18-250mm
In reply to Cafephoto, Oct 7, 2013

Cafephoto wrote:

I have both 70D and Sigma 18-250 macro HSM (the new model), there is a little problem with the AF at 250mm because the aperture is only 6,3 and it's a bit dark for well focusing.

There is also the same problem with a 650D.

New Canon bodies seem to have glitches with non-Canon lenses.

You've stated the problem in the first paragraph...f/6.3 makes it difficult to AF.

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j2l3m7
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Re: 70D and Sigma 18-250mm
In reply to Cafephoto, Oct 7, 2013

Sound like a statement from someone who is not up to date on the Canon 70D.

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Thanks for posting, have a great day.
John

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Cafephoto
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Re: 70D and Sigma 18-250mm
In reply to j2l3m7, Oct 7, 2013

Sorry but my statement is true, I have my 70D and the sigma 18-250 and I still have a problem when focusing at small "native" apertures.

Note: the Sigma 18-250 is the only lens with this problem but all the others have a bigger maximum aperture.

Sorry if I don't understand very well what you mean because my mother tongues are french and spanish but I suspect you were not very friendly in your comment.

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Cafephoto
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Re: 70D and Sigma 18-250mm. Is it a good choice ? maybe an answer.
In reply to FHShort, Oct 7, 2013

IMHO I think this type of bodies with high Mpixels don't fit well with lenses like the 18-250 because it's a bit soft at certain focals and the small aperture at maximum tele side cause AF problems like stated in my other intervention.

You cannot expect large focal range and good optic quality, this is the price to pay for having the convenience to travel with one lens only.

Take a look at DxOmark site for the best lenses for the EOS 70D.

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