The 44th National Stereoscopic Association Convention

2018 3D-Con

July 17-23, 2018 • Embassy Suites Cleveland-Rockside • Independence, OH


Online registration is now open!


Registration closes: June 18 (after that, please contact Trade Fair chairman for availability). Please note, this is earlier than the general convention deadline.

You can register to be a vendor at the Trade Fair in one of two ways:


Register online at Just sign on, choose Trade Fair Registration, read the additional sidebar information, click your choices, and indicate how payment will be made. If you registered online in the past, you are already in the system. If you decide to pay with a credit card, you will be taken to PayPal's site and asked to enter credit card information (or you can use your own PayPal funds). You don't have to have a PayPal account to pay online. PayPal is simply a credit card processor. When you register online, you'll get a confirmation email, as well as a reminder email shortly before the convention.

Via Mail

Download the Trade Fair form below, fill it out, and mail it in by the registration deadline. More details are on the form.

Trade Fair Registration Form:

The Trade fair happens on Saturday and Sunday. The NSA Trade Fair is the ultimate stereo photography marketplace for both vintage and modern 3D. You will see the entire stereo spectrum with a myriad of tables containing

  • stereo cards
  • vintage viewers and cameras
  • View Master items
  • modern film and digital cameras
  • modern 3D viewers
  • mounting supplies
  • computer solutions
  • lenticular displays
  • contemporary stereo photography
  • books
  • DVDs
  • television and display screens
  • computer software
  • display solutions
  • Virtual Reality Headsets
  • Google Cardboard devices
  • Smartphone Apps
  • 3D TVs
  • Autosteroscopic devices
  • 3dVR
  • Chromadepth
and many other goods and services.

PARALLEL View. Change to Cross View

Busy "Antiques Roadshow" appraiser, auctioneer, dealer and PBS TV "History Detective" Wes Cowan at his Trade Fair table at the 2011 NSA convention. Stereo by John Dennis.

Phantograms at the Trade Fair. Stereo by John Dennis.

Website by Terry Wilson,