Why doesn't Canon (or Nikon) make their flashes radio-wireless-communicable?

I originally thought RadioPopper JrX can support ETTL but I now realize it's manual and that's why it's affordable.


I think I still like RP PX the best. But the requirement of having
a master on camera is making the setup not convenient and heavy.


PocketWizard's FlexTT5 seems to have issue on interference.


So everything nails down to the ultimate question:


Why doesn't Canon make their flashes radio-wireless-communicable?


I assume Nikon's flashes also need to "see" each other in order to communicate wirelessly? No?


Please educate me!

The requirements for such radio control vary quite a lot across different countries. The manufacturers would have to make a lot of versions of their cameras, if they would use that kind of control.


Easier to place the necessary variations inan accessory.

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Originally Posted by apersson850

Easier to place the necessary variations inan accessory.
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<span style="font-size: 9pt; color: black; font-family: 'Verdana','sans-serif';"]Then why don't they make those accessories? Not within their core-competencies? You would think that Canon or Nikon could make a better E-TTL or i-TTL radio transmitter than either RadioPopper or Pocket Wizard right?<span style="font-size: 10pt; font-family: 'Courier New';"]<o:p></o:p>

Different strokes for different folks, and potentially undermines their business goals. Their flash triggering system is made to trigger their own brand of flash - PW can trigger (albeit in manual mode for most off-brand light sources) other lights - monolights, pack/head lights, AA-powered flashes, even Nikon flashes by Canon cameras and vice versa. Likewise, the various aftermarket systems can trigger a camera, and none of the camera manufacturers want to mess with that.