Well, it’s kind of technical… Basically Apple decided to use some of the same PTP event codes as Olympus, and so Apple does not pass the events on to the end application. They fixed it in macOS Sierra, but chose to leave it unresolved in El Capitan.
No. You must use Dragonframe 4 or newer, along with our free Dragonframe Tether app on the phone, in order to use it as a capture device. Dragonframe Tether
Note that Dragonframe 5 and newer support Android devices running our free Dragonframe Tether application, and connecting over WiFi. This answer is for Dragonframe 4: Apple provides a fairly easy way to communicate between a desktop application and a device, over the tethered USB connection. That is how we are able to support iPhones. Android … Read more
First, make sure you have followed all of our setup instructions for your camera. If you installed Sony Imaging Edge on Windows, it may have installed special “libusbK” drivers for your camera. If it does this, other programs, such as Dragonframe, will not detect your camera. Go to the Windows device manager and check if … Read more
Dragonframe supports most Nikon DSLR cameras. However, the D3000 and D3100 cameras are not supported because Nikon does not provide tethered shooting support for them.