100% Australian Stock
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Fujifilm EF-42 Flash Unit for Finepix X100 / HS20EXR

Fujifilm EF-42 Flash Unit for Finepix X100 / HS20EXR

Powerful and versatile, the Fuji EF-42 flashgun matches up with the FinePix HS20 and X100 cameras to provide complete TTL performance. For precise lighting, the flash can be moved 90° upward, 180° to the left and 120° to the right, flexibly supporting bounce shooting and other operations. Allowing reference by different values, the focal length display can be switched between the digital display (APS-C) and the 35-mm film size converted display on the LCD while the wide range of functions and user-friendly controls make the EF42 easy to use. The guide number of 24 to 42 changes automatically to the lens focal length while the flash will also zoom automatically between 24mm and 105mm (up to 20mm with the wide panel).



Image demonstrating swivel ability Image demonstrating bounce ability



Allowing full manual control, the EV can be adjusted in 7 steps (-1.5, -1, -0.5, 0, +0.5, +1, +1.5) while the power ratio can be adjusted in 7 steps (FULL,1/2,1/4,1/8,1/16,1/32,1/64). When shooting in the dark or dimly lit places, the near infrared assist light is automatically illuminated to enable automatic focusing.


Rear view of flash





Flash control system


X10, X100, HS20EXR, HS30EXR,
XS-1, X-Pro1

TTL system


S200EXR, S100FS,

Automatic flash control

No *

S5Pro, S3Pro, S2Pro, S1Pro

(Nikon Speed Light)

No *

* The flash will not operate with the TTL system but can still be fired and the power controlled directly on the flash with the manual settings.


Specifications of the Fujifilm EF 42 Flash Unit



Guide number

42 (ISO 100, m/ft)

Colour temperature

Approx. 5,600 K

Bouncing mechanism

The flash head can be rotated up to 90° vertically,
180° left, or 120° right


Four AA size lithium, alkaline or NiMH batteries

Operating temperature

0°C to 40°C


Approx. 116 mm x 64 mm x 102 mm


Approx. 260 g (excluding batteries)

Approx. number of flashes

Alkaline: 220
NiMH: 240

Recycling time

Alkaline: 3.5 s
NiMH: 3.0 s

* Specifications subject to change by the manufacturer without notice