Canon 300EZ Speedlight Camera Flash Gun fits T90 EOS RT 33 etc A-TTL, F31

Canon Speedlite 540EZ Shoe Mount Flash - No Power

Yongnuo YN568EX II Flash Light Speedlite for Canon

Canon Speedlite 540EZ Camera Flash Hot Shoe Clip On Black

Canon Speedlite 540EZ Dedicated EOS Flash - Fits EOS film cameras

Canon Speedlite 580EX II Shoe Mount Flash

Godox TT520II Camera Flash Universal On-Camera Flash No Transmitter

Canon Speedlite 540EZ Shoe Mount Flash. Tested / Working. Some Markings. (refB)