Appendix A: Flash Units for Canon EOS
Speedlites for film and digital cameras (E-TTL)
These flash units are compatible with all Canon EOS type A cameras that support E-TTL and E-TTL II metering. Some can revert to legacy TTL mode for film cameras. However, the 90EX, 270EX, 270EX II, 320EX, 430EX III, and 430EX III-RT are E-TTL only.
Speedlite 90EX
This miniature unit seems like a fairly useless add-on for the tiny EOS M series of mirrorless cameras. It’s powered by twin AAA cells, giving it a very ponderous recycle time. But it has a trick up its sleeve—it can serve as an optical wireless E-TTL master, making it a portable and affordable solution for wireless flash, albeit one with limited range. Canon should have marketed this one as a Speedlite ...
Get Mastering Canon EOS Flash Photography, 2nd Edition now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
