828 is harder to find than 126 and has been out of production for about two decades. It was also shorter then 126 film giving about 8 shots a roll and does not have the proper perforations to sub. for 126 film.
About the only similarities is that both are 35mm wide, both have a paper backing.
Charles MacDonald email@example.com
I still live just beyond the fringe in Stittsville