The Samyang 14 mm Ultra Wide-Angle f/2.8 IF ED UMC Lens for Sony E gives you approximately a 115-degree view with dramatic results when used with a full frame digital camera or 35 mm film camera. On APS-C sized sensors, the angle of view is between 90 degrees and 94 degrees depending on the brand. Four-thirds cameras produce a 76.24-degree angle of view.
The order is as follows: 1) upload to the site spherical panoramas from which you plan to create a virtual tour; 2) from the list of uploaded panoramas add each panorama to the virtual tour (Add to 3D tour link); 3) open the created virtual tour, edit the panorama order, select the main panorama, set transition points (tunnels).