STAMPD×ADSR Morgan 130 col/BLK ￥27500+tax STAMPD made a special order for the Japanese brand ADSR, the morgan 130. This square teardrop type uses flat lenses (0 curve). Unlike regular spherical lenses, flat lenses have a flat surface, which reflects light sharply, creating an unprecedented impression. The frame is made of metal, and the temples are a combination of metal and acetate.