i have an epson v600 photo scanner than also scans negatives. I had never really tested this feature until today. i must say i was really impressed with the results. my oldest negatives date back 60 years. it will scan any size negatives into a jpeg (or whatever format). it also comes with a version of photoshop elements so if you want to do additional touchups, it can be easily done.
in some instances, my scan is better that the original pictures developed 60 years ago which i found impressive.
I high recommend this scanner for any photographic type work.