Lens coatings are explained with the following codes: C signifies that only some surfaces are already coated with only one coating layer; FC implies that all glass lens surfaces other are actually coated; MC implies that some surfaces are actually coated with multiple layers; and FMC ensures that all glass https://canonmirrorless21853.life3dblog.com/20124843/how-eos-r-can-save-you-time-stress-and-money