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New Contributor
Posts: 3
Registered: ‎09-20-2017


What's the difference between a sigma 18-35 1.8 and a sigma 18-35 2.8? And will they both work with my Canon t3 rebel? 

Respected Contributor
Posts: 1,853
Registered: ‎12-02-2012

Re: Difference

Are you sure about that 2nd one?  I don't see a sigma 18-35 f/2.8 at B&H. 


Any sigma lens made for any modern Canon will fit your Rebel.   Rebels are a crop sensor camera and their mount takes any EF or EF-s mount lens in Canon language. In sigma they call that DG and DC mount lenses. 


If you are buying a Sigma lens be sure to get a version made for Canon. Sigma also makes versions for Nikon, Sony, and others, and those would not work. 


Canon 5d mk 4, Canon 6D, EF 70-200mm L f/2.8 IS mk2; EF 16-35 f/2.8 L mk. III; Sigma 35mm f/1.4 "Art" EF 100mm f/2.8L Macro; EF 85mm f/1.8; EF 1.4x extender mk. 3; EF 24-105 f/4 L; EF-S 17-55mm f/2.8 IS; 3x Phottix Mitros+ speedlites

Why do so many people say "FER-tographer"? Do they take "fertographs"?
Posts: 9,780
Registered: ‎12-07-2012

Re: Difference

The Sigma 18-35mm f/1.8 DC HSM Art Lens for Canon is a fantastic lens.  It is for Rebel only, it is not made to work on a full frame camera.

I am not aware of a f2.8 version of the 18-35mm but I am not the definitive authority on Sigma lenses.  There was a old version of a Sigma 17-35 mm F2.8-F4.0 EX DG HSM.  I can't comment on it since I never used one but I would bet the farm it doesn't hold a candel to the Sigma 18-35mm f/1.8 DC HSM Art Lens for Canon.  Not many lenses do !

EOS 1DX and 1D Mk IV, along with, a lot of other stuff.
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