[ge96]

Buy a GSM breakout board from sparkfun, servo to switch the sd to be read, transmit the data.

[andreime]

And how do you get the sd card out of the Canon Camera? Robot arm with rpi? Hacker culture is great but bespoke hardware is better.

[ge96]

That's what the switch is for, like a Y-splitter. My comment is mostly a joke eg. sparkfun (sanctions).