Pentax AF-540 FGZ II AW Flashgun

Pentax AF-540 FGZ II AW Flashgun

Key Features

  • Weather-resistant construction
  • Guide number of 54 at ISO 100/m
  • LED white beam
  • Horizontal and vertical bounce
  • Wide-angle panel
  • Small and light design

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Total Price £449.00
MPN Code 30456
EAN Code 027075233010
SKU 8879

Pentax AF-540 FGZ II AW Flashgun

AF540FGZ II auto flash units for PENTAX lens interchangeable digital cameras, featuring weather-resistant construction and LED light for movie and still-image recording. AF540FGZII is a weather-resistant auto flash unit for PENTAX lens interchangeable digital camera with a maximum guide number of 54 at ISO 100/m. This unit is designed to provide solid, dependable operation even under harsh outdoor conditions including rain and fog.

Dependable weather-resistant construction for demanding outdoor shooting

With 28 seals applied to crucial parts of the unit body including the hotshoe, these flash units feature highly dependable weather-resistant construction. By coupling one of them with a camera body and a lens that feature the same weather-resistant construction, the user can create a highly reliable weather-resistant digital imaging system that assures solid performance even in harsh outdoor conditions, such as in the rain or at locations subject to splashes and dust.

LED light convenient for movie and still-image recording

Both models incorporate a newly designed, high-intensity fixed-light LED light in their bodies. This white LED light comes in handy not only for close-distance movie recording, but also for still-image shooting requiring extended exposures. It also functions as a catch light in portraiture and an AF assist light in the dark.*

* The AF assist light function is available with 645D, K-r, K-5, K-30, K-5 II, K-5 II s, K-50 and K-500 camera bodies. The camera’s firmware must be updated to the latest version to support this function.

User-friendly function settings

The user can customize the flash operation by presetting as many as nine different flash functions to their preference, including the on/off of the catch-light function using the LED light and the choice of the flash discharge mode in still-image shooting.

Versatile flash control system

Both models provide a variety of flash discharge modes,** ranging from the advanced P-TTL auto flash mode in which the flash’s preliminary emission is detected by the camera’s light sensor to accurately control the main discharge level for proper exposure to manual flash, high-shutter-speed synchronization and wireless P-TTL auto flash.

** Available flash discharge modes may vary depending on the camera body in use.

Other features

  • Bounce flash function, adjustable to angles of -10 to 90 degrees vertically and up to 180 degrees horizontally
  • Power-zoom flash to cover angles of view from 24mm to 85mm lenses (in 35mm format)
  • Built-in wide-angle panel that slides out to cover 20mm angle of view (in 35mm format)
  • Automatic setting of discharge angle in combination with a PENTAX lens-interchangeable digital camera body
  • Multiflash emission function available
  • Shorter battery recharge time, in comparison to conventional models

Key Features

  • Weather-resistant construction 
  • Guide number of 54 at ISO 100/m
  • LED white beam 
  • Horizontal and vertical bounce
  • Wide-angle panel
  • Small and light design

View full specifications here >

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Pentax AF-540 FGZ II AW reviews verified by reevoo
Verified reviews of Pentax AF-540 FGZ II AW

out of 10

2 reviews

Ease of use
Value for money
Overall rating
Scores 9.5 out of 10 based on 2 reviews
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out of 10


London GB
Integrates with my K1 very well, it's fully featured and nicely controllable.
Confirmed purchase: 17 October 2016
Published on: 31 October 2016
out of 10


London GB
Very powerful flashgun. Peerless build quality and feature rich. Like the Wireless operation and burst rate is acceptable for my shooting needs
Pricey so consider other options such as Metz that price a bit cheaper but offer same level of build/features. However firmware isn't seemless hence I stumped up the extra cash and went for Pentax for use with my K3
1 of 1 people found this review helpful
Confirmed purchase: 01 September 2016
Published on: 20 September 2016

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