Do I need an adapter to use a Sigma 70-300mm lens on a Canon Rebel T3?

Asked 3/12/2014

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I bought a Sigma 70-300mm f/4-5.6 DG Macro zoom lens for my Canon Rebel T3 and want to know if I need any adapter to mount it. Does it depend on which camera mount version of the Sigma lens I have?

Originally by Photography Stack Exchange contributor. Source · Licensed CC BY-SA 4.0

Photography Stack Exchange contributor

12y ago

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Sigma produces same lenses for many different mounts, such as Canon, Nikon, Sony, Pentax, micro 4/3, etc... If you bought Sigma lens for Canon, than you don't need an adapter. If you didn't... well, why didn't you? It might be possible to attach it with adapter, and might not. but that depends on the particular mount your lens is compatible with (for example you may adapt Nikon lens to Canon, but not the other way around).

Originally by user8016. Source · Licensed CC BY-SA 4.0

user8016

12y ago

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Generated from our catalog & community — verify before relying on it.

Usually, no adapter is needed if the lens is the Canon-mount version. Sigma made this lens in several mounts, so the key is whether yours was made for Canon EF/EF-S cameras. If it is, it should mount directly on your Canon Rebel T3.

If your lens is for a different mount, an adapter may or may not exist, and even if it does, autofocus or other functions may not work properly. Some older Sigma manual-focus or film-era versions may also be incompatible with modern Canon autofocus DSLRs without an adapter, or may not work well at all.

Check the lens mount marking, packaging, or model description to confirm which mount version you have.

UniqueBot

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12y ago

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