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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$499.00
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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 ISO 100 
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
Packaging Info
Package Weight 1.25 lb
Box Dimensions (LxWxH) 8.0 x 4.1 x 2.4"

Pentax AF540FGZ II reviews

AF540FGZ II Flash is rated 4.5 out of 5 by 31.
Rated 4 out of 5 by from Small yet powerful, I want another one While I try NOT to use on camera flash, I find I have to in many occasions, particularly weddings and events, this is where this small, lightweight flash shines. The High Speed sync works like a charm. Just finished testing that on my 645Z, now to put it to work. The small light in front is a godsend, have no idea why other companies dont follow suit. My only gripe is that its not more powerful. So really, I give it 4.5 Stars.
Date published: 2014-10-21
Rated 4 out of 5 by from Very compact LED in front helps in focus but I doubt that it will be useful for videos. This flash is even smaller than my Yongnuo flashes. Hot Shue mount fits tight. No reflectior card built in but only wide angle diffuser. Zoom sange is very limited. Even less than the Yongnuo. HSS is only optional with P-TTL and since Pentax doesn't have remote P-TTL solutions (other than the slave option) then HSS can only be achieved on-camera. You can pair this flash with the Yongnuo while the Pentax is on camera and the Yongnuo, suprisingly, will follow the HSS from the Pentax, up to 1/4,000 without wny problems.
Date published: 2015-03-22
Rated 5 out of 5 by from Good performance and weatherproof! Though I'm a dyed-in-the-wool Nikon man, my Pentax K-3 is my go-to camera for shooting outdoors on rainy days. I bought this to use for those situations when you need a fill flash outdoors, and it has performed well in initial testing. The hot-shoe seals up very tightly, and having been zapped by other flash units in the rain (I have an old Vivitar that could be used for executions)I feel comfortable using this one.
Date published: 2016-01-13
Rated 5 out of 5 by from Met and exceeded expectations; I had just purchased a K-3 Silver Edition with grip and flu card and was immediately asked to shoot an upcoming wedding. I owned an original AF360 but knew that I would need additional power to shoot in the reserved venue. I decided to rent the new AF540 FGZ II for the wedding and boy am I glad I did. Like so many others here have stated, it is small, powerful and very functional. There is no need for the pop-up white card of the previous version because of the front facing LED. It happens to provide a very nice catch light in portraits. The 540 II provided me with the best P-TTL accuracy I've had to date and it made a killer setup with the Sigma 18-35mm f1.8 ... especially at the reception. I'm now in a position to bUy my own 540 II right here from B&H and can't wait to get my grubby little hands on it. I can .. without any hesitation, recommend this flash to any Pentax user that is serious about their hobby or work. CHEERS!!!
Date published: 2015-11-04
Rated 2 out of 5 by from Has to go into the shop again When it works ... it's great. They have a known problem where they just work when they want to. First trip to the shop it was covered ... after a few uses, it is now acting up again. I cannot rely on this flash. The shop Pentax told me to send to, it took FOREVER to get fixed. I was about to buy a new flash and then one day the fixed flash shows up. They may have fixed with the newer models. It's too bad as it seems people have had some great stories about this flash. It has just not worked for me. Literally ....
Date published: 2015-08-03
Rated 5 out of 5 by from Excellet with Pentax 645Z Recently bought a 645Z to go with my set of P entax 645 film camera lenses. Pentax flash from film days works in manual with some tricks, but not TTL and in general isnt really meant for digital. The Af540FGZ is smaller, works in TTL and produces very nice image, even when the flash is on camera
Date published: 2016-01-20
Rated 3 out of 5 by from Pentax Lighting Options I purchased this item 2.5 years ago, July 2014 to use on my 645Z and it worked just fine. Not the strongest speedlight out there, but the best I could find for Pentax. Unfortunetly it only lasted 2.5 years, it just DIED , much to my dismay, right at an event. Some Im sure may last longer, but I didnt really use it so much that it should die so soon ( IMHO ). The Metz Flash for Pentax works great, Im hoping it last longer. I will not be purchasing this item in the future. And there is NO connection socket for an external Battery adapter for longer use.
Date published: 2016-10-03
Rated 5 out of 5 by from A must have for serious shooters Well built, quality flash. Exactly what I was expecting. Works great with the Pentax 645Z. I keep a few of these around for mobile shooting where studio strobes are too cumbersome. Great for bouncing light at your subject off of walls or reflectors to fill in shadows in natural and urban settings.
Date published: 2017-01-30
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