What kind of video tape do I have?

What kind of video tape do I have?

We have those decks which are marked with a dot .

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	TV standards		size in inches			size in centimeter
Analog	PAL	NTSC	W	D	H	W	D	H
VHS (S-VHS)			7 1/2	4	1	18.8	10.2	2.5
VHS-C (S-VHS-C)			3 5/8	2 2/7	4/5	9.2	5.8	2.0
Video8 / Hi8			3 11/16	2 3/8	9/16	9.5	6.2	1.5
U-matic  (3/4 inch tape)			8 11/16	5 1/2	1 1/4	22.1	14.0	3.2
U-matic-S (small)			7 1/4	4 13/16	1 1/4	18.4	12.2	3.2
Betacam/BetaSP (small)			6 1/7	3 7/9	1	15.6	9.6	2.5
Betacam/BetaSP (large)			10	5 5/7	1	25.4	14.5	2.5
BetaMAX			6 1/9	3 3/4	1	15.5	9.5	2.4
Digital	PAL	NTSC	W	D	H	W	D	H
Digital 8 (digi 8)			3 11/16	2 3/8	9/16	9.5	6.2	1.5
MiniDV (DVC)			2 3/5	1 8/9	1/2	6.6	4.8	1.2
DVCAM			5	3	3/5	12.5	7.8	1.5