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

Product Description

Features: Compatible for Pentax wireless flashing system, can receive wireless signal from AF-360FGZ, AF540FGZ II & Ps 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 & save it automatically. Equipped with the AF-assist beam emitter, means that you can focus easily in dark environment. Sound prompt system, different sound modes for different working status, hear it & identify it. Clear LCD screen show working status & display real-time battery power. Can rotate -7 ~ 90vertically, 180horizontally (towards the left/right). With USB (Universal Serial Bus) interface, you can upgrade firmware from the Yongnuo official website; with 2.5mm PC synchronous interface.