Nikon Autofocus Speedlight SB-24 - Manual (Page 88)

For greater depth of field
In programmed TTL auto flash photography, use film with
a speed specified in the table below:
Maximum lens aperture Film speed
Lens only
f/2.8 or faster
Slower than f/2.8
ISO 50 or higher
ISO too or higher
F-501/N2020
with TC-16AS
f/1.4 or f/1.2
f/1.8, f/2, f/2.5or f/2.8 ISO 50 or higher
ISO
too or higher
In other flash operation modes, set the lens aperture as
follows;
Maximum
iens aperture
Aperture setting
Lens only
f/2.8 faster
Slower than
f/2.8
f/2.8 or larger f-number
(f/2.8, f/4, f/5.6, etc.)
f/5.6 or larger f-number
(f/5.6, f/8, f/11,etc.)
F-501fN2020 with
TC-16AS
f/1.4 or f/1.2
f/1.8, f/2, f/2.5
or f/2,8
f/2 or larger f-number
(f/2, f/2.8, f/4, etc.)
f/4 or larger f-number
(f/4, f/5.6, f/8 etc.)
Note: With Nikon F4, F-801/N8008 or F-401s/N4004s,
sets the lens aperture to f/2.8 or slower.
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