orpheus-c Last seen: 4 months 4 weeks ago Joined: 11/08/2017 - 7:02pm It seems there is a new brand call 银之翼 SliverWing, they made a railless slider with a motor add-on. http://youtu.be looks smooth. but I think it's for small cameras, like a6500 or a6300. Lets see if later they will release footages shot with GH5. For Only USD199.