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We are trying to build multiple Photobooths next to each other, which are equipped with a tablet that has a UI to select and upload certain photos in a folder. Right now we use canon 700d/750d (which are at this point roundabout 7-10years old) with flashair cards to take the pictures and transfer them to the tablet where they can be selected and uploaded. The problem is: the lag and the delay. Most of the time the pictures are nearly as fast on the tablet as you can shoot (we don't shoot RAW for some reason) but every once in a while it starts to lag and lack connection... like 20-30 min. or more...

That's the reason why I've put my question up here. Most modern cameras are able to push selected photos to an android device nearby, but I couldn't find any that can do that automatically. At least not the low-end or middle class cameras we have. I've seen that the canon 5DMKIV seems to be able to auto upload pictures to an FTP server or a specific device on the network.

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  • Would an EyeFi card be an option? (I believe Toshiba FlashAir bought the technology) – Thorbjørn Ravn Andersen Feb 19 '20 at 20:17
  • Correct me if I'm wrong, but it seems like your question hinges on the push aspect, where the camera is doing the driving. With respect to wireless transfer to mobile devices, cameras are client devices, subject to the phone's pulling of data from the camera. Do you specifically require push driven files/images? – scottbb♦ Feb 20 '20 at 5:39
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    @scottbb in IT language, a client tends to be the initiator/puller .... – rackandboneman Feb 20 '20 at 5:42
  • @rackandboneman Right. "push email" was from the email server, pushing to the client. So the camera is the pusher, phone the puller in OP's use case. But modern devices are really more of a frequent pull request to just look like a "push-driven" interaction. For instance, Dropbox is really just frequent polling by the desktop client to look like push-driven. (I see what you mean from my original comment. I typo'd when I said "cameras are client devices", I meant to say cameras are server devices, subject to the phone's (i.e., client's) pulling of data from the camera". Oops. =) – scottbb♦ Feb 20 '20 at 5:56
  • @ThorbjørnRavnAndersen we already use Toshiba wireless cards of the 4th gen. with a custom firmware on it... but Toshiba discontinued the developer support last year, so we're stuck with what we have. The problem with these SD cards seems to be that they can't connect properly, because cameras manufactured today all have their own wifi capabilities, some of the manufacturers seem to shield the SD slot to prevent Cards (like the Toschiba/Eyefi ones) to connect to anything by themself, so they don't interfere with the build-in Wifi – user89635 Feb 20 '20 at 12:48

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