The R50 does have a hot shoe but for the newer accessories. You will need the AD-E1 hot shoe adapter to use older speedlites or transmitters. Or to use 3rd Party gear with that camera.
-Demetrius
Bodies: EOS 40D & EOS 5D Mark IV
Lenses: EF Holy Trinity, EF 50mm F/1.8 STM, EF 70-210mm F/4 & EF 85mm F/1.8 USM
Speedlites: 420EX, 470EX-AI, 550EX & 600EX II-RT
