So i recently got a hasselblad 500c. the thing is amazing but when i got it the guy gave me expired film, so ive been just using that to understand loading and what not. every time i go to get it developed there is either nothing on a roll or one or two negatives that look like theirs two photos in one... kinda but not. there are no distinct photos. any help on this would be great. im going to be getting new film and trying that but i want to check in with people that know a lot more about medium format than i do. are my times off and thats whats causing me to get nothing? not to sure on how 120 film works. let me know! thanks!