“Y” is for the Yunon Camera.
The Yunon camera is a give-away camera in the early 1980’s.
The Yunon camera tries really hard to look like a legit, high-end 35mm camera. But when you take off the lens cap, it’s obvious that it’s a tiny, cheap lens in a cheap camera.
Reference: McKeown’s Price Guide to Antique and Classic Cameras, 12th edition, ISBN 0-931838-40-1
The other cameras featured in this A to Z Challenge are linked on this page.