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
Complete your durable, rugged All Weather camera setup with the P-TTL capable AF540FGZ II Flashfrom Pentaxwhich 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
