Pentax AF540FGZ II Flash

Pentax AF540FGZ II Flash

Pentax AF540FGZ II Flash

B&H # PEAF540FGZ2 MFR # 30456
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Product Highlights

  • All Weather Construction
  • Compatible with Pentax P-TTL
  • Guide Number: 177' at ISO 100 and 85mm
  • Zoom Range: 24-85mm (20mm with Panel)
  • Tilts from -10 to 90°
  • Rotates 135° Left & 180° Right
  • Wireless Master/Slave TTL Functionality
  • LED Light with 5 Output Settings
  • Multi Flash Mode & Contrast Control Sync
  • Slow, High-Speed, 1st & 2nd Curtain Sync
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Pentax AF540FGZ II overview

  • 1Description

Complete your durable, rugged All Weather camera setup with the P-TTL capable AF540FGZ II Flash from Pentax which 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.

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
UPC: 027075233010
Table of Contents
  • 1Description

Pentax AF540FGZ II specs

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 mm - 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 mm - 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 (WxHxD) 3.0 x 4.4 x 4.3" / 76.0 x 113.0 x 108.0 mm
Weight 12.35 oz / 350.12 g
Packaging Info
Package Weight 1.25 lb
Box Dimensions (LxWxH) 8.0 x 4.1 x 2.4"

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