P-TTL mode with pre-flash allows for more accurate flash photography.

Wireless P-TTL flash is available when used with PENTAX DSLR cameras that support wireless flash operation.

On-camera and wireless high-speed flash sync is available in P-TTL modes.

Flash exposure compensation is easy through a simple control dial.

Includes an autofocus assist beam for focusing in low light or low contrast situations.

Auto and Manual modes allow for use with non-TTL PENTAX camera bodies.

LCD display shows the effective range of the flash in P-TTL, TTL and AUTO modes.

Modeling light feature strobes the flash for one second, so the photographer can check for unwanted shadows or highlights.

Type: Clip-on, P-TTL auto zoom flash
Flash Control: TTL-series-control auto flash, manual flash
Flash Modes: P-TTL auto, TTL auto, auto, manual
Flash exposure compensation: In P-TTL mode, -3.0 to +1.0 steps (0.5-steps increments)
Bounce Head: Yes, (-10o, 0o, 45o, 60o, 75o, 90o), with lock at 0 degrees Swivel Head: N/A
Zoom Head: 24-85mm (20mm w/ wide angle diffusor, flash senses focal length automatically)
Discharge Angles: 31-78 degrees horizontal, 23-60 degrees vertical (98 degrees horizontal, 85 degrees vertical with wide angle diffusor)
Focal Length Coverage: 24-85mm (20mm w/ wide angle diffusor)
Guide Number: 118.8 at ISO 100/ft (36 at ISO 100/m)
Flash Range: 2.3' - 17.8' (GN 30, ISO 100, f5.6)
Interval & Battery Life: Alkaline batteries - approx 6s interval, 250 full discharges;
Lithium batteries - approx 6s interval, 300 full discharges;
NiMH batteries - approx 6s interval, 160 full discharges
Color Temp Balance: Daylight
Sync Modes: Leading curtain sync, Trailing curtain sync, Contrast control sync, High-speed sync
Other Functions: Auto Power Off, Test Discharge, 1s modeling flash, P-TTL wireless flash, wide angle diffusor, catchlight panel, autofocus spotbeam
Power Supply: Four AA size batteries (alkaline, lithium, NiMH)