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Just a note: I find cross-eyed viewing much easier than the other method (which, in fact, I find practically impossible). Am I alone in this?
Very similar experiences here, bigcatrik. My grandparents had stereo cards and a viewer. They had cards of the Panama Canal, the Civil War, WWI, and the like. However, I don't know how I mastered viewerless 3-D. Somehow, I figured it out and was able to look at the cards without the viewer. I now have all of those cards and the viewer. For awhile I would buy stereocards when the opportunity arose.bigcatrik wrote: I learned to free view parallel images from a book written in the 50s (from the library). It said to look at a distant object and then lift the parallel images in the book into view. Looking into the distance will naturally cause your eyes to separate and focus off into the distance, so the trick becomes to adjust your focus to the closer images without also fusing your eyes' convergence back to the closer distance (the way eyes naturally work). With practice I was able to just let my eyes do their thing while staring at the book. Smaller images are easier to learn with.
Magic Eye pictures are actually overlapping parallel view images encoded together. When they first appeared, long after I'd learned to parallel view, I found them a snap.
The annual National Stereoscopic Association convention was near me last August and though I was there because of my interest in 3D movies and VR the dealer's room was predominantly dealers in vintage stereo cards. Tables and tables of them, and even some new limited edition sets. The next one is in Cleveland - http://www.3d-con.com/ryanbrennan wrote: ↑April 6th, 2018, 9:00 pmI'm sure someone has written a book on stereo cards, viewers, and the history of them. I haven't seen one but I also haven't looked. I'm supposing that this was at one time an incredibly popular parlor fad. In those long ago days before motion pictures were even invented, when people actually had to entertain themselves and others by interacting with one another, I can see people picking up some of the latest stereo cards, maybe looking for the most exotic and unusual, and then gathering the family together to pass around the cards, "oohing" and "aaahing" over the pictures. Similarly, I can see people having guests over and offering to pass around the viewer with the latest pictures. It could even have been some sort of status symbol with neighbors trying to one-up each other with the newest, best, most interesting stereo cards. I wouldn't be surprised.
Thanks! Check out some earlier pages in the thread for some of my renderings from genre films, stills, magazines, etc. that I've done over the years.ryanbrennan wrote:
Anyway, keep up the good work, blackbiped. When you run out of these book covers, which look great, maybe you'll turn to some of our favorite science fiction, horror, and fantasy films for inspiration.