All F100's have a plastic rewind fork. The original design has triangular tips, the improved design has square tips. The camera you have is being misrepresented with respect to age (at least as far as manufacture date - it is certainly possible it may have been purchased as 'new old stock' two years ago) as it is definitely much older than two years. The rewind fork design was changed with serial numbers AFTER 21654XX, which happened early in the production run around late 2000 / early 2001? (the F100 was introduced around Dec/99). See here for more info on the rewind fork (scroll down a bit): Since it is very likely the first F100 was serial number 20000xxx, you are looking at one of the first 50,000 or so.
I own one with serial number 224xxxx that is probably AT LEAST two years old. I shot about 100 rolls with my F100, serial number was 202xxxx, can't remember for sure. I bought it second hand in 2002 and sold it in late 2004. Never had a problem with the rewind fork but it was always in the back of my mind. All you'd do in the case of the fork breaking is go into a room with no light, open the back, and carefully pull the exposed film out from the take-up spool, and then manually wind it into the cartridge. This won't hurt the camera if you do it carefully. I've never done this with an F100, never had to, but have done it with a number of other cameras.
Jan 12, 2018 - The Nikon F4 was launched in 1988 as the third improved version of the. Time, frame number, a consecutive serial number, job number.
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Another good reason to get either an F3 or F4, or F5 (if you have strong arms) in place of the F100. I bought an F3HP and am very happy with it.
OK, this is a long shot, but I have tried really hard (without success) to find an online source for dating Nikon camera bodies. Lenses, no problem - bodies, forget it:frown:! So, I would like to ask for volunteers who know the year of manufacture (or purchase, if bought new) of their Nikon SLRs to post details of their Nikon SLR serial numbers (or at least the first 3 or 4 digits:wink, so that the rest of us can get an idea when our cameras were built. Obviously, if (like me:redface you own Nikon SLRs but don't know the year of manufacture, there's not much point in posting just the serial number here. Still, if we can at least get some posts from those who do have a fairly good idea of the year that their camera hails from, then we could all benefit from that knowledge:smile.
This thread is open to any Nikon SLRs (and RFs too, I guess). If we are lucky enough to get lots of posts, then it should be easy for forum members to simply put the model that they are interested in into the 'Search' function and bring up any entries for it that way:smile. (Personally, I would love to hear from any FA owners who could help me find out what year a 5304XXX serial number belongs to:biggrin. As I said, there appears to be no official source for this info (but please do correct me if I'm wrong), so please take part in the thread if you have anything at all to share. Nikon F100 serial number US2222xxx Date estimated 2002 (based on known dates and serial numbers from other posters) Nikon F3hp serial#173xxxx Jul 1985 Just for reference on the F3 bodies, if you remove the back and look on the body where the back hinges, you'll see a 4-place alpha-numeric code. The first place is the month - 1-9,O,N or D, and the second place is the last number of the year.