negatives scanning

Hi, I'm fairly new to developing/scanning film but had a query with scanning negatives that are coming out overexposed on the scan. The negatives themselves are not very dense and look well exposed (you can still see through the darkest parts quite easily) but they are coming out overexposed...

Hello everybody! I'm completely new to this and I've started developing/scanning 35mm film just for personal use. I have two developed Ilford SFX200 B/W film rolls. One of them was developed at a professional lab and the other one I developed myself. However, when trying to scan the film I run...