Nikon SB-800 instruction manual About the flash shooting distance range, 17 ∗

■■■ About the flash shooting distance range

The SB-800’s flash shooting distance range is 0.6m to 20m (2 to 66 ft.) and varies, depending on the ISO sensitivity, zoom-head position, and lens aperture in use.

Flash shooting distance range in the TTL auto flash mode

			ISO sensitivity									Zoom-head position (mm)
									∗ 1	∗ 2	14∗ 3	17∗ 3
	1600		800	400	200	100	50	25					24	28	35	50	70	85	105
		∗ 4
	2.8		2	1.4
	4		2.8	2	1.4
	5.6		4	2.8	2	1.4			0.8-9.0/	1.0-11/	1.1-12/	1.3-14/	1.9-20/	2.0-20/	2.4-20/	2.8-20/	3.0-20/	3.4-20/	3.6-20/
									2.6-29	3.3-37	3.7-41	4.1-46	6.2-66	6.6-66	7.8-66	9.3-66	10-66	11-66	12-66	(m/ft.)
	8		5.6	4	2.8	2	1.4		0.6-6.3/	0.7-8.0/	0.8-9.0/	0.8-10/	1.3-15/	1.4-16/	1.7-19/	2.0-20/	2.2-20/	2.4-20/	2.5-20/
									2.0-21	2.3-26	2.6-29	2.6-33	4.3-49	4.6-52	5.5-62	6.6-66	7.4-66	7.8-66	8.3-66	range
	11		8	5.6	4	2.8	2	1.4	0.6-4.5/	0.6-5.7/	0.6-6.3/	0.7-7.0/	1.0-10/	1.0-11/	1.2-13/	1.4-16/	1.6-18/	1.7-19/	1.8-20/
Aperture									2.0-15	2.0-19	2.0-20	2.0-23	3.1-35	3.3-37	3.9-44	4.6-52	5.2-59	5.5-62	5.8-66	distanceshooting
		16∗ 5	11	8	5.6	4	2.8	2	0.6-3.2/	0.6-4.0/	0.6-4.5/	0.6-5.0/	0.7-7.5/	0.7-8.0/	0.8-9.5/	1.0-11/	1.1-13/	1.2-13/	1.3-14/
									2.0-10	2.0-13	2.0-14	2.0-16	2.2-25	2.3-26	2.8-31	3.3-37	3.7-42	3.9-44	4.1-47
	22		16	11	8	5.6	4	2.8	0.6-2.2/	0.6-2.8/	0.6-3.1/	0.6-3.5/	0.6-5.3/	0.6-5.7/	0.6-6.7/	0.7-7.6/	0.8-9.0/	0.8-9.5/	0.9-10/
									2.0-7.4	2.0-9.3	2.0-10	2.0-11	2.0-17	2.0-19	2.0-22	2.3-26	2.6-29	2.8-31	2.9-33
	32		22	16	11	8	5.6	4	0.6-1.6/	0.6-2.0/	0.6-2.2/	0.6-2.5/	0.6-3.7/	0.6-4.0/	0.6-4.8/	0.6-5.3/	0.6-6.3/	0.6-6.7/	0.6-7.1/	Flash
									2.0-5.2	2.0-6.6	2.0-7.3	2.0-8.2	2.0-12	2.0-13	2.0-16	2.0-19	2.0-21	2.0-22	2.1-23
			32	22	16	11	8	5.6	0.6-1.1/	0.6-1.4/	0.6-1.6/	0.6-1.8/	0.6-2.6/	0.6-2.8/	0.6-3.4/	0.6-4.0/	0.6-4.5/	0.6-4.8/	0.6-5.0/
									2.0-3.7	2.0-4.6	2.0-5.2	2.0-5.8	2.0-8.7	2.0-9.3	2.0-11	2.0-13	2.0-15	2.0-16	2.0-17
				32	22	16	11	8	0.6-0.8/	0.6-1.0/	0.6-1.1/	0.6-1.2/	0.6-1.8/	0.6-2.0/	0.6-2.4/	0.6-2.8/	0.6-3.2/	0.6-3.4/	0.6-3.6/
									2.0-2.6	2.0-3.3	2.0-3.7	2.0-4.1	2.0-6.2	2.0-6.6	2.0-7.8	2.0-9.3	2.0-10	2.0-11	2.0-12
					32	22	16	11	_	0.6-0.7/	0.6-0.7/	0.6-0.8/	0.6-1.3/	0.6-1.4/	0.6-1.7/	0.6-2.0/	0.6-2.2/	0.6-2.4/	0.6-2.5/
										2.0-2.3	2.0-2.6	2.0-2.9	2.0-4.4	2.0-4.6	2.0-5.5	2.0-6.6	2.0-7.4	2.0-7.8	2.0-8.3
						32	22	16	_	_	_	_	0.6-0.9/	0.6-1.0/	0.6-1.2/	0.6-1.4/	0.6-1.6/	0.6-1.7/	0.6-1.8/
													2.0-3.1	2.0-3.3	2.0-3.9	2.0-4.6	2.0-5.2	2.0-5.5	2.0-5.8
	*1		With the Nikon Diffusion Dome attached and the wide-flash adapter in place
	*2		With the Nikon Diffusion Dome attached
	*3		With the wide-flash adapter in place
	*4		TTL auto flash operation is not possible at this ISO sensitivity. For ISO 1000, use an
			aperture 2/3 of an f/stop smaller than the aperture for ISO 1600, or 1/3 larger than
			the aperture for ISO 800.
	*5			Programmed TTL Auto Flash with the F-501/N2020, F-401s/N4040s,
			F-401/N4004, and F-301/N2000. (ISO 25 to ISO 400 for the F-401s/N4004s and
			F-401/N4004)

Basic operation

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