Hello O Brethren, I'm trying to figure something out. Attached is a photo of a Gen 1 X Metal (right) next to a 4th Gen X Metal(?). The photo doesn't show the drastic difference as well as the eye but the frame is very brown in color. Is this normal or could it be a different finish? I'll try to get a better photo during the day, natural light makes it look super brown. I kind of like the color personally but was just curious.