Professional Photo & Video Gear


Flash For Petax Camera

TTL Wireless Camera Speedlite AF MF Flash Light for Pentax Digital Camera


Compatible with Pentax Wireless Flash System

  • 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. 

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.

Package including

  • 1 * YN585EX Speedlite
  • 1 * Mini Stand
  • 1 * Carrying Bag
  • 1 * User Manual(English/Chinese)
  • 1 * Andoer Cleaning cloth
    (Note: Battery are not included. )


Product ModelYN585EX
Circuit designInsulated Gate Bipolar Transistor (IGBT)
Guide No.GN58 (ISO 100, 105mm)
Flash modeP-TTL, M, Multi
Triggering ModeSP, S1, S2
Zoom rangeAuto, 20, 24, 28, 35, 50, 58, 70, 80, 105mm
Vertical rotation angle-7~90 degrees
Horizontal rotation angle180 degrees towards the left/right
Power supply4×AAsize batteries (Alkaline or Ni-MH are usable)
Lighting times100~1500 times (AA alkaline cell used)
Recycle timeApprox 3s (AA alkaline cell used)
Color temperature5600k
Flash time1/200s~1/20000s
Flash control8 levels of output control (1/128~1/1), 29 levels of fine tuning
External interfaceHot shoe, PC Port, USB port
Wireless triggering distance20-25m indoor,10-15m outdoor 
Net Weight370g