- 11 step crossed grayscale
 - Center “True Black” with adjacent 100 IRE chips
 - 16:9 and 4:3 framing
 - Instructions
 - DSC’s bow-tie expanded BackFocus pattern on reverse side
 
联系人:陈先生(Mr. Aaron Chen )
手机:13076936897(微信同号)
电话:0755-2656 1139
地址: 深圳市宝安区甲岸路31号华丰青年创业孵化基地9楼901