Their wired release ports are connected to an isolator box that lets a single RF remote trigger both cameras. I use Sony APS-C format cameras with Samyang 7.5mm (circular fisheye) or 8mm (diagonal fisheye) lenses. The first requisite is a matched pair of small cameras with 180 degree fisheye lenses, and a means to trigger their shutters simultaneaously. PT3D works by converting a preliminary PTGui project into a final stitch project that better aligns and fits the images. It is very like the 2D process I have used for a decade, with stereo pairs of photos in place of single ones, and uses familiar tools: Lightroom, PTGui, krpano, Pano2Vr, Photoshop, plus my own stereo stitching helper, PT3D. What follows is a brief, expert-level tutorial on the workflow I currently use. We already have the tools to make stereoscopic panoramas at a reasonable cost in time and effort, and these tools are only going to get better. In a few more years, as the VR industry matures, I expect stereo 3D to become part of the skill set of most working VR photographers. Oculus 360Photos and the closely related Facebook 360 Photos service could easily become major publication platforms in future. Oculus 360Photos, while not now an easily accessible publishing platform, offers high quality display of local stereo images on Gear VR and Rift. Gala360 publishes photographic tours direct to VR devices such as Gear VR, Google DayDream, Rift and Vive, and fully supports stereo images. All VR displays on 360Cities support stereo images. It now has image sets that can be browsed in VR without removing the headset. has supported VR viewing on mobile devices for some time. Today it is a specialty that has been mastered by dozens of panoramic photographers, who are able to show their work not only as self-published tours built with krpano or Pano2VR, but also on at least 3 mainstream services. Three years ago, stereoscopic 360 photography was a curiosity.
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