A quick visit to the apple support page suggested the use of an additional powered usb hub then connecting that hub to the usb jack on the camera adapter.
Apple lightning to usb 3 camera adapter review.
The 12 9 inch ipad pro 1st and 2nd generation and 10 5 inch ipad pro transfers data at usb 3 speeds while the 9 7 inch ipad pro uses usb 2.
This review looks at two separate accessories apple s lightning to sd card camera reader 29 and lightning to usb camera adapter 29 the dock connector versions of which were previously sold together for 29 as the ipad camera connection kit ilounge rating.
However going through reviews of nikon adapter i read one customer recommending lightning cable for the ipad.
The lightning plug on the apple camera adapter only powers the ipad not the usb device.
The lightning to usb 3 camera adapter supports standard photo formats including jpeg and raw along with sd and hd video formats including h 264 and mpeg 4.
Ios then recognized my midi devices perfectly allowing triggering of professional quality music apps such as dm 1 by fingerlab.
If you are going to use this with a usb device probably not a camera but an audio interface ethernet drives etc that does not have its own power source you will have to get an additional 120v powered usb hub for it.
I was keen to getting nikon wireless wu 1a adapter for transferring photos from d3200 to my devices.
When you sync ipad or iphone to your pc or mac the photos and videos on your ipad or iphone are added to your computer s photo library.
After you connect the lightning to usb camera adapter your ipad or iphone automatically opens the photos app which lets you choose which photos and videos to import then organizes them into albums.
The apple usb3 camera connector dongle allows you to plug both a usb drive or accessory into one port and a lightning cable connected to a power adapter to the other.
When we reviewed the ipad camera connection kit back in 2010 we called it a great accessory the single most worthwhile.