Yongnuo YN585EX wireless speedlite is compatible with Pentax Wireless Flash System (P-TTL)

The Yongnuo YN585EX wireless speedlite is compatible with Pentax Wireless Flash System (P-TTL):

A YN585EX supports receiving wireless signal from the master unit of AF-360FGZ, AF540FGZ II and other Pentax cameras. It also supports 4 channels, off-camera TTL and manual flash.

Yongnuo YN585EX features:

Completely Support TTL Function
YN585EX supports FEC, FEB, Rear-curtain Sync and Red Eye Reduction.

TTL flash with High Guide Number
GN58@ ISO100,105mm;supports TTL, M and MULTI mode.

Multiple Trigger Synchronous Mode Supported
YN585EX can be triggered through the camera, wireless triggered by the built-in flash or master flash, or triggered in S1/S2 pre-flash avoidance mode.

Firmware Upgrade
YN585EX is equipped with USB port. It’s convenient to visit the official website of YONGNUO, download the latest firmware and upgrade the speedlite.

Equipped With Electric Zooming
Supports auto and manual zooming, the flash can coverage can be changed between 20~ 105mm.

Ultra-fast Charging Recycle System
The Charging recycle time is 3s when the speedlite is used with maximum output power. The charging recycle time is about 4~5s even the speedlite is not used with brand new batteries.

Real-time Displaying the Electric Quantity
It’s convenient for you to know how the battery status for YN585EX supports real-time displaying the electric quantity.

AF Assist Beam Equipped
YN585EX is equipped with AF Assist Beam. Quick focus is easily to be realized in dark environment.

Sound Prompting System
When the sound prompting system is enabled, the different sound ways will prompt different operating state of the flash so as to allow you focus on shooting.

Advanced Options Settings and Auto Save settings

Equipped with Big Size LCD Display Screen, Standard PC synchronous Interface

Check Yongnuo YN585EX pricing and availability at Amazon (not available at the time of this post).


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  • Rob S

    This could be huge for Pentax users. Finally a shot at a true strobe ecosystem of triggers and head units.

    • But no radio triggering, only optical. And no HSS, contrary to what had been reported earlier.

  • Stinky Man

    I’ll buy a couple to see how they work on spec. If they perform I will buy a couple more. Then I will buy one every month or two to replace they one I will drop every month or two…. Where do I buy one? When will they be more than vaporware?

  • Joseph Nucera

    when it will be released on the market?

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