Once you convert to 16 bit, you will notice a slight difference in the banding, but it may not be a huge difference to begin with to the naked eye, depending on your screen and how Photoshop is rendering the thumbnail preview of the actual image.
Once you convert to 16 bit, you will notice a slight difference in the banding, but it may not be a huge difference to begin with to the naked eye, depending on your screen and how Photoshop is rendering the thumbnail preview of the actual image.