I have downloaded a series of Landsat-8 level 2 images. My main purpose is to obtain reflectance out of them; however, the scale of the different bands does not look like reflectance (e.g. Blue Band goes from -2000 to 9393).
I am assuming those numbers correspond to digital numbers (DN) (I am not 100% sure), so I am wondering if there is a procedure to convert this DN to reflectance for this level 2 data.