When ordering, I was a little skeptical because I have an EOS 5D MkII and the SD card is used with a CF adapter. But it works. First made a firmware update - unfortunately with the problem of almost all Mac users that it is only in experimental x is, for me it was the third. After all, I have read of people who have brought it only at the tenth attempt. First try with WLAN to the computer and built-in web server - works fine. WLAN selected on the iPad, ShutterSnitch started and voila it works. A little tip on the edge - select RAW + JPEG and then can be transferred only the JPEG. Over image assessment and browsing during shooting breaks you should not do anyway. From my clear recommendation - and not just for bargain hunters.