Stereo World The only magazine devoted to the past, present and future of true stereoscopic 3-D imaging. Find out more! 3D-Con 2017 Join us at the 43rd Annual NSA Convention, Aug 8 – 14, 2017, in Irvine, California. Get Involved! Learn 3-D, share your stereo photos, enter a competition, join a local club – stereo is social!