Ricoh Imaging | Pentax AF-540FGZ II Flash

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.

 

 

 

 

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.

Creative control modes include first-curtain sync, second-curtain sync, high-speed sync, and contrast control

Rotates from 180° right to 135° left with a lock at 0° and click stops
Right: 180°, 150°, 120°, 90°, 60°, and 30°
Left: 135°, 90°, 60°, and 30°

Tilts from +90° to -10° with stops at +90°, +75°, +60°, 45°, 30°, 0°, and -10°

Recycle time: NiMH/3 sec - Alkaline & Lithium/5 sec

Flash head automatically controls zoom from 24mm-85mm (full-frame) with compatible cameras and autofocus lenses

Wide-angle panel pulls out of flash head to expand coverage to a 20mm angle of view in full-frame format

Multi-flash mode for up to 100 flashes

Effective range of 2.6-26.2'

AF-assist beam for focusing under low light or low-contrast conditions

Daylight balanced flash for use outside without the need for gels or filters

Auto power off after 3 minutes of non-operation or after 1 hour while in wireless mode

LCD panel is backlit for use in poor lighting conditions

Runs on 4 alkaline, lithium, or Ni-MH AA batteries

Mount

Shoe

Guide No.

177.17'; (54 m) ISO100 

Angle of Coverage

31° - 78° Horizontal
Wide-Angle Adapter: 98° Horizontal
23° - 60° Vertical
Wide-Angle Adapter: 85° Vertical

Vari-Power

1/1 - 1/256

Bounce Head

+90 to -10°

Swivel Head

315°

Coverage

20 - 85 mm (Full Frame)

Distance Range

2.62 to 26.25' (0.8 to 8.0 m) at f/5.6

Zoom Head

Full Frame: 24 - 85 mm

Recycle Time

Approximately 3 - 5 Seconds

Flash Duration

1/1200 - 1/20000 sec

Flash-Ready Indicator

Yes

Compensation

-4 EV to +2 EV (in 1/3 and 1/2 EV steps)

Wireless Operation

Method: Optical pulse
Distance: Up to 13.12' / 4.0 m

Wireless Communication Channels

4 Channels

Power Source

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

Weight

12.35 oz / 350.12 g

Whats in the box?

Pentax AF540FGZ II Flash

Flash Case O-AC141

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