Aspect Ratio on 4:3 screen 525 Line System 625 Line System Aspect Ratio on 16:9 screen 525 Line System 625 Line System 1080 HD Line System Full Screen (1.33:1) 21-263 284–525 23–310 336–623 - - - - - - - 14:9 (1.56:1) 40-245 302–508 44-289 357–602 - - - - - - - 16:9 (1.78:1) 52–232 315–495 59–282 372–587 Full Screen (1.78:1) 21-263 284–525 23–310 336–623 21–560 584–1123 1.85:1 56–229 320–491 64–270 376–582 1.85:1 26-257 289–520 29-304 342–617 31-549 594–1112 2.35:1 73–209 336–472 85–248 398–561 2.35:1 50–231 313–495 58–275 371–588 86-494 649–1057