V1.02
Thom Hogan’s Complete Guide to the Nikon D300
Page 651
SB-800 Usable Apertures and Flash Range in TTL mode (Feet)
ISO 200 400 800 1600
14mm 24mm 35mm 50mm 85mm
f/2
f/2.8 f/4
f/5.6
3.5 – 27 6.6 – 66 7.8 – 66 8.8 – 66 10 – 66
f/2.8 f/4
f/5.6 f/8
2.5 – 27 4.6 – 52 5.5 – 62 6.2 – 66 7.2 – 66
f/4
f/5.6 f/8
f/11
2 – 20 3.3 – 37 3.9 – 44 4.4 – 50 5.1 – 56
f/5.6
f/8
f/11 f/16
2 – 14 2.3 – 26 2.8 – 31 3.1 – 35 3.6 – 39
f/8
f/11
f/16 f/22
2 – 10 2 – 19 2 – 22 2.2 – 26 2.6 – 29
f/11 f/16
f/22
f/32
2 – 7 2 – 13 2 – 16 2 – 18 2 – 20
f/16 f/22
f/32 f/45
2 – 4.9 2 – 9.3 2 – 11 2 – 12 2 – 14
f/22
f/32 f/45 f/64
2 – 3.5 2 – 6.6 2 – 7.8 2 – 8.8 2 – 10
Red apertures not available in Program exposure mode
Blue apertures not available on most lenses
Note: For ISO 100, shift the aperture numbers in the ISO 200
column down by one row (i.e. the column for ISO 100
would start with f/1.4). For ISO 3200, shift the aperture
numbers in the ISO 1600 column up by one row.
To Set Manual Flash
1.
Activate the flash. If it’s already in Standby, a partial
press of the shutter release activates it; otherwise,
press the power (ON/OFF) button on the SB-800 to
turn the flash ON.
2.
Press the SB-800’s
Mode
button until
Ë
appears on
the LCD.
3.
Set the D300 to Aperture-preferred (A) or Manual (M)
exposure mode and set your aperture and your
exposure, as usual.
4.
Set the camera to Single Servo AF (flash operates best
when the camera achieves focus; this isn’t technically
necessary, but I like to tell people to use it as a
reminder that focus has to be achieved for flash to
operate).
5.
Focus on your subject by pressing lightly on the
shutter release. Note the distance on the scale on the
lens.
6.
Simply changing the aperture on the camera causes
the SB-800 to match it. You should see the aperture
change on the flash unit’s LCD and the Shooting
