Optional FlashUnits (Speedlights)
Theaccessoryshoe allows SBseriesSpeedlights,including the SB
400,800,600, 80DX,28DX,28,27, 2;3,22S,and 2% to be mounted
directly on the camera without a sync cable. It is equipped with a
safety lock for Speedlights with a locking pin, such as the SB800
and SB600. Beforeattaching an optional flash unit, remove the
accessory shoe cover. The built in flash will not fire when an
optional Speedlight isattached.
When used with compatible flash units such as the optional SB 400, SB800, and SB 600
Speedlights or SB R200 wireless remote Speedlight, the D40 supports the advanced Nikon
Creative Lighting System (CLS), including i_TL flash control and Flash Color Information
Communication. See the Speedlight manual for details.
58-400,SB-800,and SB-500Speedlights
These high performance Speedlights haveGuide Numbers of 30/98 (18 mm zoom cover
age), 53/174 (35 mm zoom head position), and 42/138 (35 mm zoom head position)
respectively(m/ft, ISO200,20°C/68°F; GNsat ISO100 are 21/69, 38/I 25,and 30/98 respec
tively). The flash headcan be rotated through 90°above the horizontal for bounce flash or
close up photography. The SB800 and SB600 can also be rotated 180° left and 90° right,
and the SB800 can be rotated 7° below the horizontal. The SB800 and SB600 support
auto power zoom (24 105mm and 24 85mm, respectively),ensuring that the illuminating
angle is adjusted in accord with lensfocal length and have both a built in wide panel that
can be usedfor an angle of 14mm (the SB800also supports 17mm) and an illuminator that
can be used when adjusting settings in the dark.
SB-R200WirelessRemoteSpeedlight
This high performance wireless remote Speedlight hasa Guide Number of 14/49(m/ft, ISO
200, 20°C/68°F; GN at ISO100 is 10/32). Although it can not be mounted directly on the
accessoryshoe, itcan be controlled using an optional SB800 Speedlight or SU800 wireless
Speedlight commander. The SBR200 can be hand held, placed on an AS 20 Speedlight
stand, or mounted on the camera lens using the SX1 attachment for remote control and
close up iqKL photography.
SU-800 Wireless Speedlight Commender
The SU 800 can be used as a commander for remote SB 800, 600, or R200 flash units. The
SU 800 itself is not equipped with a flash.
_ GuideNumber
To calculate the range of the flash at fuji power, divide the Guide Number by the aperture. Forexam
pie, at ISO200 the SB-400has a Guide Number of 30m or g8ft.; its range at an aperture of f/5.6 is
30+5.6 or about 5.3meters (or in feet, 98+5.6 17ft. 6in.). Foreach twofold increasein ISOsensitivity,
multiply the Guide Number by the square root d two (approximatdy 1.4).
TechnicalNotes/OptionalAccessories 99
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