Uhh isn’t that an ef-s lens? If so then you were shooting in crop mode and that’s like 15 mp, also it’s shooting as a 27-88 f4.
No shutter speed is not affected by sensor size.
The crop factor is a relationship between aperture and focal length
Uhh isn’t that an ef-s lens? If so then you were shooting in crop mode and that’s like 15 mp, also it’s shooting as a 27-88 f4.