4333 Custom Function SettingsC.Fn5: Display/OperationFocusing Screen C.Fn5You can change the focusing screen with an Ec-series focusing screen(sold separately) more suited for the techniques in the photography.If you change the focusing screen, make sure to change thissetting to match the focusing screen type. This is to obtain acorrect exposure.Std.: Ec-C6Standard focusing screen.: Ec-A, B, LFor Laser-matte screens.The focusing screen setting will not be cleared even if you select [88:Clear all Custom Func. (C.Fn) ].To change the focusing screen, refer to the Instruction Manual of thefocusing screen.Since the Ec-A/B/L focusing screens have a prism at the center, correctexposures cannot be obtained with evaluative metering and spotmetering at the center. Use either center-weighted average metering orAF point-linked spot metering (except for at the center).Since the Ec-A/B/L focusing screens have a prism in the center, AFbased on color or facial information may not be achieved if the subject isnear the center of the viewfinder, even if [24: Auto AF pt sel.: EOSiTR AF] is set to [EOS iTR AF (Face priority)] or [EOS iTR AF] (p.127).Although an Ec-C/CII/CIII/CIV/CV/D/H/I/N/R/S focusing screen can beinstalled in the camera, the correct exposure will not be obtained. Use acommercially-available light meter to shoot with manual exposure orexposure compensation.If [Ec-A, B, L] is set, the spot metering circle will not be displayed at theviewfinder center.The Area AF frame displayed on the Ec-CIII/CIV/N/S focusing screensdoes not match this camera’s AF Area.
