| Type: | P-TTL lens-mounted ring flash with hot shoe controller | Flash Control: | TTL-series-control auto flash, manual flash |
| Flash Modes: | P-TTL (TTL corrective auto flash, contrast-control auto flash), TTL (TTL auto flash), Full 1/4 output, 1/16 output (manual flash) | Flash exposure compensation: | In P-TTL mode, +0.5 to -1.0 in 1/2 step increments.
In Manual mode, 1/4 and 1/16 output. |
| Bounce Head: | N/A | Swivel Head: | N/A |
| Zoom Head: | N/A | Discharge Angles: | 60° from up/down/left/right (flash output ratio selectable from left, left center, center, right center, right) |
| Focal Length Coverage: | 100% | Guide Number: | 52.8 at ISO 100/ft (16 at ISO 100/m) |
| Flash Range: | 0.59-6.6' (GN 16, ISO 100, f/8) | Interval & Battery Life: | Lithium - approx. 7s interval, 250 full discharges; Alkaline - approx. 7s interval, 150 full discharges; NiMH - approx. 7s interval, 200 full discharges |
| Color Temp Balance: | Daylight | Sync Modes: | Leading Shutter Curtain Sync |
| Other Functions: | Auto Power Off 180 seconds, Modeling Light, P-TTL Flash Exposure Compensation (+0.5 to -1.0 EV in 1/2 EV increments) | Power Supply: | 4 AA batteries (Lithium, NiMH, Alklaine) |
| Dimensions: | Ring Flash - 4.4" x 4.4" x 1.2", Controller - 2.7" x 3.3" x 4.5" | Weight w/o Batteries: | 14.3 oz. |
| Notes: | Lens Adapter rings included in 49mm, 52mm, 58mm, 67mm filter threads, as well as a macro adapter for PENTAX D-FA series macro lenses |
