YONGNUO YN585EX P-TTL Wireless Speedlite Flash Light GN58 HSS 1/12000s SP S1 S2 Slave AF-assist Rear Curtain SYNC LCD Screen for Pentax K-1 K-S1 K-S2 K-3 K-3II K-70 K-50 DSLR Camera

Specifications

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Brand: YONGNUO
Model: YN585EX
Circuit Design: Insulated Gate Bipolar Transistor
Guide NO.: GN58 (ISO 100, 105mm)
Flash control: 8 Levels output control (1/128-1/1), 29 levels of fine tuning.
Flash-mode: P-TTL, M, Multi
Trigger: SP, S1, S2
Zoom Range: Auto, 20, 24, 28, 35, 50, 58, 70, 80, 105mm
Lighting Time: 100 - 1500times
Recycle Time: Approx. 3s at full output
Color Temperature: 5600k
Flash Time: 1/200s - 1/12000s
Wireless Trigger Distance: 20m ~ 25m indoor, 10m ~ 15m outdoor
Exposure Compensation: -3EV - +3EV Vertical
Rotation Angle: -7 ~ 90
Horizontal Rotation Angle: 180 towards the left/right
Additional Features: Rear-curtain sync, FEC, FEB, the electronic flash head zooming, sound prompt, auto saving settings, PC sync, power saving mode, overheat protection, advance options function, AF assist beam, high-speed continuous shooting, firmware upgrade
Power Supply: 4 * AA Alkaline or Ni-MH are usable. (Not included. )
External Interface: Hot shoe, PC Port, USB
Port Item Size: 18.4 * 6.6 * 4.4 cm / 7.2 * 2.6 * 1.7 cm"
Item Weight: 369.5 g / 39oz
Package Size: 21 * 9.7 * 8.1 cm / 8.3 * 3.8 * 3.2"
Package Weight: 574g / 19.3 oz YONGNUO YN585EX wireless speedlite is compatible for Pentax flashing system. It can receive signal from AF-360FGZ, AF540FGZ II and P's master units, supporting 4 channels.
With three flash mode: P-TTL, M, Multi flash mode, GN58 @ISO100, it supports Exposure compensation, Bracket Exposure, Rear-Curtain SYNC, Red-eye Reduction, 20 - 105mm auto/manual zoom, AF-assist, and setting and saving advanced settings. Ultra-fast recycle time 3s at full output ensures a smooth shooting process.
Features: Compatible for Pentax wireless flashing system, can receive wireless signal from AF-360FGZ, AF540FGZ II and P's master units. Can be trigger by the camera set-top, built-in or master wireless flash, S1 & S2 pre-flash cancel mode.
Three flash mode: P-TTL, M, Multi; 4 channels, effective wireless distance 20m ~ 25m indoor, 10m ~ 15m outdoor. GN58 @ISO100, 8 output levels (1/128-1/1), 29 levels of fine tuning, flash time 1/200s - 1/12000s. Support Exposure compensation, Bracket Exposure, Rear-Curtain SYNC, Red-eye Reduction, High-speed Continuous Shooting. Support Auto/Manual zooming, the zoom range from 20 - 105mm. Support advanced option settings and save it automatically. Equipped with the AF-assist beam emitter, allows you to focus easily in dark environment. Sound prompt system, different sound modes for different working status, hear it and identify it. Clear LCD screen show working status and display real-time battery power. Can rotate -7 ~ 90vertically, 180horizontally(towards the left/right). With USB interface, you can upgrade firmware from the Yongnuo official website; with 2.5 mm PC synchronous interface.