I have a rebel t5i and need to know if the EF-S 24mm STM lens will fit it.

[TCampbell]

Yes.  Your camera can use any Canon "EOS" lens in the lineup (of somewhere around 75 lenses) with the exception of the two "EF-M" lenses (specifically designed for a mirrorless "EOS-M" camera that Canon no longer sells here in North America.)

[ILHow]

Thnaks a lot.  My real concern was that the mounting threads are 52mm and I was worried that they would not screw in.

[RobertTheFat]

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@ILHow wrote:

Thnaks a lot.  My real concern was that the mounting threads are 52mm and I was worried that they would not screw in.

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The "52mm" refers to the diameter of the front of the lens and has nothing to do with the mount that connects it to the camera (which is a bayonet mount and does not have threads).

But if you need, say, a polarizing filter, and all you have is the usual 77mm variety, you'll need a 52mm filter or an adapter.

[ILHow]

Once again thanks for the help