Pentax AF-540FGZ II Flash is Designed to be tougher, smaller and lighter, this strobe is 30% smaller in volume than its predecessor. This hot shoe mounted, bounce-and-swivel, auto-zoom flash provides a variety of advanced flash applications.
The Pentax AF-540FGZ II has different features 28 seals, including the hot shoe, that enable a reliable weather-resistant digital imaging system. This unit has a guide number of 177' at ISO 100 and 85mm along with a 35mm equivalent zoom range of 24-85mm, though the auto zoom function is compatible with smaller format Q-series mirrorless cameras, APS-C DSLRs, and medium format 645-series digital cameras. Also, with the use of a built-in diffusion panel the coverage can be extended to 20mm. Another benefit of this flash is tilt from -10 to 90° and rotation 135° to the left and 180° to the right for complete bounce functionality.
The AF540FGZ II has wireless master and slave TTL capabilities with access to 4 channels. It utilizes an optical pulse to transmit information and trigger flash units up to 13.1' away. Also, this unit can be set as a master, control, or slave unit and has access to a contrast control sync setting that enables the adjustment of the output of multiple flashes from a single unit.
An added feature for this flash is a constant LED light with 5 output settings for use during video, as an AF assist light, or as simply another light for your subject. Other settings include a multi-flash mode for stroboscopic photography as well as slow, high-speed, first and second curtain sync. Additionally, the AF540FGZ II runs on 4 AA batteries with a recycle time of 2.6-26.2 seconds and it comes with a case and stand.
177.17'; (54 m) ISO100
Angle of Coverage
31° - 78° Horizontal Wide-Angle Adapter: 98° Horizontal 23° - 60° Vertical Wide-Angle Adapter: 85° Vertical
1/1 - 1/256
+90 to -10°
20 - 85 mm (Full Frame)
2.62 to 26.25' (0.8 to 8.0 m) at f/5.6
Full Frame: 24 - 85 mm
Approximately 3 - 5 Seconds
1/1200 - 1/20000 sec
-4 EV to +2 EV (in 1/3 and 1/2 EV steps)
Method: Optical pulse Distance: Up to 13.12' / 4.0 m
Wireless Communication Channels
4x AA Alkaline, Lithium, Rechargeable NiMH Batteries
Dimensions (W x H x D)
3.0 x 4.4 x 4.3" / 76.2 x 111.8 x 109.2 mm
12.35 oz / 350.12 g
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C.R. Kennedy is Australia’s leading importer and distributor of photographic equipment. Our head office and main warehouse is located in Melbourne with branch offices and warehouses in Adelaide, Brisbane, Cairns, Perth and Sydney.
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