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Canon 5d Mark III Control With iPhone
Canon 5D Mark III
"How can I control my canon 5d mark iii to my iPhone 7."
Thanks for asking about controlling your 5D Mark III remotely with an iPhone. There are several possibilities, depending on exactly what you are trying to accomplish.
Controlling the 5D M3 With Wifi
There is an app called Vello Extenda
that is a DSLR remote control app for iOS that syncs with Wi-Fi-enabled cameras like Canon or Nikon DSLRs.
It gives full wireless control through smartphones or tablets. Unfortunately, the Canon 5D Mark III does not have Wifi.
You can use an Eye-Fi
card in your 5D mark II for transferring images, but I don't know will help you try to do what you want. That is simply for transferring images. In 2016, Eye-Fi announced it will no longer technical support for its line of its x2 Wi-Fi SD cards. There are other Wifi cards available still.
Controlling the 5D Mark III With a Wireless Tethering System
I don't have any personal experience with these systems, but you can try a wireless tethering system
The major camera retailers and Amazon carry these. Reviews on Amazon have not been overly positive. You can connect and transfer images and video instantly from your 5D Mark III, to an iphone, tablet, or computer. You can also control very specific camera settings like exposure, focusing, and shutter speeds.
The 5D Mark III is listed as a compatible camera with Case Air system. There is another one made by Tether Tools that is stated to be universally compatible.
Please let me know which direction you decide to go.
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