Give the gauge, width, or diameter of a moving image work following the color characteristic, or if given, the film projection speed or video playing speed.  Use the abbreviation "mm." for millimeters and "in." for inches.  The abbreviation is separated from the number with a space.

Give the gauge of film in millimeters.

8 mm.  [Use if specific type of 8 mm. is undetermined]

standard 8 mm.

double standard 8 mm.  [Use for 8 mm. that has not been slit]

super 8 mm.

single 8 mm.  [Use for the Japanese equivalent of super 8 mm.]

9.5 mm.

16 mm.

super 16 mm.

17.5 mm.

22 mm.

28 mm.

35 mm.

35-32 mm.  [Use for 16 mm. that has not been slit]

55 mm.

65 mm.

70 mm.

300 ## $a 2 film reels of 2 (ca. 27 min., 2,385 ft.) : $b sd., col. ; $c 35 mm. $3 answer print.

300 ## $a 1 film reel of 1 (ca. 28 min., 362 ft.) : $b si., col. ; $c standard 8 mm. $3 print.

Give the width of videotape in inches or in millimeters.

1/4 in.

8 mm.

1/2 in.

3/4 in.

19 mm.  [Use for digital formats of this width, ca. 3/4 in.]

1 in.

2 in.

300 ## $a 1 videocassette of 1 (Hi-8) (57 min.) : $b sd., col. ; $c 8 mm. $3 viewing copy.

300 ## $a 2 videoreels of 2 (ca. 90 min.) : $b sd., col. ; $c 2 in. $3 master.

Give the diameter of a videodisc in inches.

3 in.

4 3/4 in.  [Use for CDs, DVDs]

5 in.

8 in.

10 in.

12 in.

300 ## $a 3 videodiscs of 3 (optical) (119 min.) : $b sd., col. ; $c 12 in. $3 viewing copy.

300 ## $a 1 videodisc of 1 (DVD) (112 min.) : $b sd., col. ; $c 4 3/4 in. $3 viewing copy.

Optionally, use 12 cm. instead of 4 3/4 in. for CDs and DVDs.

See also:

5.  Physical Description Area