Can you use a Canon EF-M lens on a Canon EF/EF-S DSLR like the Rebel T4i?
Asked 4/15/2014
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I have a Canon Rebel T4i with the EF/EF-S mount and I'm wondering whether I can use an EF-M lens on it, such as the EF-M 22mm. Is there any adapter that makes this possible, and if so, what limitations would there be?
Originally by Photography Stack Exchange contributor. Source · Licensed CC BY-SA 4.0
Photography Stack Exchange contributor
12y ago
2 Answers
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You cannot mount an EF-M Lens on a standard DSLR or at least it won't work the way you want it to.
The EF-M lenses are designed to sit closer to the sensor than on a DLSR. There is no way to get the EF-M lens closer to a DSLR sensor because the mirror is in the way.
You can however, put a DSLR lens on the EOS-M camera with what is essentially a spacer to keep the lens further from the EOS-M sensor (the distance it would be if used on a DSLR).
Originally by user27407. Source · Licensed CC BY-SA 4.0
user27407
12y ago
0
Generated from our catalog & community — verify before relying on it.
No—EF-M lenses are not a practical match for Canon EF/EF-S DSLRs like the Rebel T4i.
EF-M lenses are designed for Canon EOS M mirrorless bodies, where the lens sits much closer to the sensor. On a DSLR, the mirror box requires a much longer flange distance, so an EF-M lens cannot be positioned where it needs to be for normal use.
In theory, if you placed the lens farther from the sensor with an adapter, it would behave like using an extension tube: you would lose infinity focus and only be able to focus very close, making it useful only for close-up work. That’s why there generally isn’t a normal EF-M-to-EF/EF-S adapter for this purpose.
The common adapter direction is the opposite: EF or EF-S DSLR lenses can be adapted to EOS M cameras, not EF-M lenses to DSLRs.
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