Lumix GX7 Stereo Twin Rig

Last updated 11/23/2015

email questions and comments to 3d at dddphotography dot com

For quite some time now I have wanted a digital stereo camera that would produce high quality images and allow me all the settings and adjustments to achieve that. I settled on the micro four thirds (MFT) format for its small size and weight, lens selection, and image quality. I chose the Panasonic Lumix GX7 camera for its image quality, feature set, and relatively low cost on the used market (about $400 US with lens in 2015). The lenses are Lumix 12-32mm, f3.5-5.6, and have B+W Pro F UV Filters. Compared to full frame 35mm this lens equates to 24-64mm field of view.

Of course the biggest obstacle in a twin rig system is syncing the two cameras. No method except true gen-locking is perfect so some compromise must be accepted. I am using a trigger system with some in-line electronics first developed by Damir Vrancic and modified by Max Pow (info coming soon).

The inter-lens spacing is 3.5" (88.9mm) and the lens off-set is 1.75" (44.45mm). Questions concerning this off-set will be addressed in future updates. Dimensions are 11" (279.4mm) wide, 4.5" (114.3mm) deep, 3.5" (88.9mm) tall to camera and 6" (152.4mm) tall to top of flash shoe. Total weight is 2.6 lb (1.18 kg). As you can see from Fig 5 the battery/SD card door can be opened without removing the cameras from the mounting plate. I made the cables long enough that I can get just over five feet of separation for mounting on a hyperbar.

I will be adding a lot of information to this page as I start using the rig.

Click here for images of the rig.

Here are some galleries taken with this rig:

Hell's Canyon Motorcycle Rally

Cleo's Museum

Yellowstone Motorcycle Trip