Difference between Sony, Nikon and Canon lens mounts?

13 years 5 months ago #6630 by April77
I have a Canon Rebel and have only owned Canons. I have never even seen a Nikon or Sony DSLR first hand. My question is why makes the mounts different? Is it just the connectors?


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13 years 5 months ago #6631 by Yasko
The configuration and shape of the mounts is different also. Nikon bodies have a narrower opening and the lenses have narrower bases than the Canon, while Sony's have a slightly larger opening, and somewhat simpler looking coupling system than Canons. Another difference, when mounting Nikon lenses you twist to the left, while Canon and Sony twist to the right.


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13 years 5 months ago #6638 by April77

Yasko wrote: The configuration and shape of the mounts is different also. Nikon bodies have a narrower opening and the lenses have narrower bases than the Canon, while Sony's have a slightly larger opening, and somewhat simpler looking coupling system than Canons. Another difference, when mounting Nikon lenses you twist to the left, while Canon and Sony twist to the right.


I see, thank you. I was reading about someone trying to use a Sony lens on a Canon and it had me wondering.


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13 years 5 months ago #6644 by Screamin Scott
There are adapters that allow you to use another OEM's lenses on a camera. There are limitations as to what cameras can use whose elses's lenses. The most adaptable ar the Olympus 4/3rds cameras followed by Canon. Nikon can't use other makers lenses with the exception of the older M42 screw mount lenses. Even than, the adapter needs a glass element in order for the lens to be able to focus to infinity....Besides the obvious physical differences in the mounts, the "register" distance is another factor that needs to be taken into account. (that is the distance from the lens mount to the film plane ( or sensor in the case of a digital camera) . If you shoot Canon, here's a link to adapting other lenses to it...
photonotes.org/articles/eos-manual-lenses/

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13 years 4 months ago #7928 by April77

Screamin Scott wrote: There are adapters that allow you to use another OEM's lenses on a camera. There are limitations as to what cameras can use whose elses's lenses. The most adaptable ar the Olympus 4/3rds cameras followed by Canon. Nikon can't use other makers lenses with the exception of the older M42 screw mount lenses. Even than, the adapter needs a glass element in order for the lens to be able to focus to infinity....Besides the obvious physical differences in the mounts, the "register" distance is another factor that needs to be taken into account. (that is the distance from the lens mount to the film plane ( or sensor in the case of a digital camera) . If you shoot Canon, here's a link to adapting other lenses to it...
photonotes.org/articles/eos-manual-lenses/


Thank you for the explanation, this really helped me understand this.

April


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