Reel-to-Reel celluloid film comes in two formats of 8mm, each often just called "8mm" in Ebay ads. Super8 will not run on a Standard8 projector, indeed will get damaged. And vice versa. The original 8mm was...
why are you buying a film camera? they are now edging towards collectors only, the value has fallen out of all but the rarest/best cameras. Just the cost of the normal servicing these old cameras need is now...