Professional 16 mm equipment Technical Information Exposure Time = (f.p.s. x 360)/(Shutter Opening) Example: Exposure time at 24 fps with a 130° shutter. ET= 24 x 360 / 130 = 66, or 1/66 second Shutter Opening = (f.p.s. x 360) / (Exposure Time)

	variable shutter open		variable shutter at 1/2		variable shutter at 1
	130°		65°		32-35°
film speed	real	adapted	real	adapted	real	adapted
12 fps	1/33	1/40	1/45	1/55	1/75	1/94
16 fps	1/45	1/55	1/60	1/75	1/100	1/125
18 fps	1/50	1/60	1/70	1/87	1/110	1/137
24 fps	1/65	1/80	1/90	1/112	1/150	1/163
32 fps	1/90	1/110	1/120	1/150	1/200	1/225
48 fps	1/130	1/160	1/180	1/225	1/300	1/375
64 fps	1/180	1/220	1/240	1/300	1/400	1/500
single frame	1/30	1/40

film speed	real	adapted	filming speed	exposure time	filming speed	exposure time
10 fps	1/21	1/28	12 fps	1/30	8 fps	1/18
12 fps *	1/25	1/33	16 fps	1/40	12 fps	1/30
18 fps	1/37	1/50	18 fps	1/45	16 fps	1/35
20 fps *	1/42	1/56	24 fps	1/60	24 fps	1/50
24 fps	1/50	1/67	32 fps	1/80	32 fps	1/70
25 fps	1/53	1/70	48 fps	1/120	48 fps	1/100
32 fps *	1/67	1/93	64 fps	1/160	64 fps	1/140
40 fps *	1/83	1/110	single frame	1/30	single frame	1/25
50 fps	1/106	1/140
single frame *	1/37	1/40	* not available on h-16 ebm