Just a comment that if you are contemplating getting a roll or several of 70mm 30 meter film, you should have your processing methods all sorted out. Do you have a 70mm reel? The lengths normally found in 70mm cassettes (if you are reloading) are long and require a special large reel and tank. Of course if you purchase a "bulk" roll you can cut your length to suit when you reload your cassettes. If you use a custom pro lab for your processing, you need to give them a call and see if they can handle 70mm.