Has anyone tried the Timelapse + with a Olympus E-M5 or E-M1?
I wonder if its possible for auto brambing, iso adjust etc. on those cameras.
Same goes for Panasonic GH4?
That's right, it's pretty much the same. Many customers have used the TL+ with a Panasonic camera, but only in the standard time-lapse mode. We had one customer that was trying to get the TL+ to work with the GH4, and he discovered that he had some USB capability, but he was only able to get shutter control in time-lapse mode. The customer got a response when he clicked "Connect -> USB", and the camera make showed up on the display, but nothing else. In order for bulb-ramping to work, shutter speed, aperture, and ISO must also appear on the display. If these parameters don't appear, they can't be controlled, and bulb-ramping wouldn't be possible.
It is possible to control the aperture
and ISO via USB, but it can only be done with the proprietary
"Promote Control Software" that runs on a PC, laptop, or
the Promote Controller device. This software is not standard on the
TL+, which uses the standard PTP request/response protocol.
If the Panasonic GH4 is used in the basic time-lapse mode, it would probably use the P3 cable as shown on: http://www.timelapseplus.com/adaptor-cables.