The PENTAX AF160FC Auto Macro Ring Flash is uniquely suited for advanced close-up applications using the automatic exposure-control system of PENTAX digital SLR cameras. This unit offers smooth, even lighting for the closest subjects, while eliminating vignetting and subject shadow.
With a guide number of 16 at ISO 100/m, it provides ample lighting for small or large close focus subjects. The AF160FC's modeling light, with 4 white LED's, help preview flash exposure while assisting autofocus operation. Designed to offer uniform lighting on a subject to minimize shadows, the flash is ideal for close-up, portrait, product, dental and medical applications.
|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)|
|Discharge Angles||60 degrees, up/down/left/right/omni selectable|
|Focal Length Coverage||100%|
|Guide Number||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 available in 49mm, 52mm, 58mm, 67mm filter threads, as well as a macro adapter for PENTAX D-FA series macro lenses|
Lens Adapter Rings for 49mm, 52mm, 58mm, 67mm Filter Threads, Macro Adapter for PENTAX D-FA Series Macro Lenses.