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Pentax AF540FGZ II Flash (GN177) Bounce,Swivel,Zoom

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Pentax AF540FGZ II Flash (GN177) Bounce,Swivel,Zoom Description


Ricoh AF540FGZ II Auto Flash - P-TTL, Manual - 2.62 ft, 26.25 ft Range

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.


Power Description

Power Source Battery


Compatibility PENTAX Digital SLR Cameras:
  • 645D
  • K-r
  • K-5
  • K-30
  • K-5 II
  • K-5 II s
  • K-50
  • K-500

Battery Information

Number of Batteries Supported 4
Battery Chemistry Alkaline, Lithium, Nickel Metal Hydride (NiMH)
Battery Size Supported AA

General information

Product Model AF540FGZ II
Manufacturer Part Number 30456
Brand Name Pentax

Technical Information

Minimum Synchronization Shutter Speed 1/1200
Maximum Synchronization Shutter Speed 1/20000
Autofocus Assist AF Assist Beam
Light Angle 180° Horizontal, 90° Vertical
Flash Modes Manual, P-TTL
Flash Range 2.62 ft, 26.25 ft
Lamp Type LED

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