| Type: |
Hot Shoe Clip-on TTL auto zoom flash unit with serial control |
| Guide Number: |
Feet: With ISO 100, Manual: - 177 (85mm) - 164 (70mm) - 148 (50mm) - 128 (35mm) - 115 (28mm) - 105 (24mm) - 69 (20mm*) (* w/wide angle panel) |
| Zoom Range: |
85mm to 24/20mm*
(* w/wide angle panel) |
| Bounce Capability: |
Up: -10o, 0o, 30o, 45o, 60o, 75o, 90o |
| Swivel Capability: |
Right: 0o, 30o, 60o, 90o, 120o, 150o, 180o
Left: 0o, 30o, 60o, 90o, 135o |
| Recycle Time: |
Alkaline (LR6) Approx. 6 sec. Approx. 200 Flashes
Nickel hydroxide (Ni-MH) Approx. 6 sec. Approx. 250 Flashes
Lithium (FR6) Approx. 6 sec. Approx. 350 Flashes |
| Special Features: |
Consecutive Discharge: Approx. 2 frames/sec for 50 pictures, at [M 1/64] output (with alkaline LR6 batteries) |
| Other |
Color Temperature: Daylight |
| Lighting Angle |
Zooming position: 85mm: Vertical Coverage: 23deg, Horizontal: 31deg, - 70mm: V: 26deg H: 36deg - 50mm: V: 34deg H: 46deg - 35mm: V: 45deg H: 60deg - 28mm: V: 53deg H: 70deg - 24mm: V: 60deg H: 78deg - 20mm*: V: 85deg H: 98deg (w/wide angle panel) |
| AF Spotbeam |
Red beam emitted under low light or low-contrast conditions |
| Compatible Film Speed |
ISO 25 - 1600 |
| Flash Modes |
P-TTL auto, TTL auto, auto, manual |
| Flash Exposure Compensation |
In P-TTL mode -3.0 to +1.0 steps (0.5 step increments) |
| Flash Amount Setting |
With wireless slave: [1/1, 2/3, 1 / 2, 1 / 3]
Manual: [1/1, 1 / 2, 1 / 4, 1 / 8, 1 / 16, 1 / 32, 1/64] |
| Flash Sync Mode |
Leading-shutter-curtain sync,
trailing-shutter-curtain sync,
contrast-control-sync,
high-speed-sync,
modeling flash |
| Wireless Flash |
Control system: Optical pulse transmission
Wireless position: Master (M), control (C), slave (S)
Channels: 1 through 4
Compatible modes: P-TTL, auto (A), manual (M)
Effective range: Approx. 13ft (according to Pentax testing conditions) |
| Power Saving |
Automatic power-off: After approx. 3 min. of non-operation with the power in theON position, 6 min. in Auto, 1 hour in wireless mode |
| Red-Eye Reduction |
Operates with autofocus cameras equipped with red-eye reduction feature |
| Modeling Flash |
Modeling button fires flash consecutively for 1 second |
| Wide Angle Panel |
Pull out manually, flash zoom position automatically sets to 20mm |
| Catchlight Panel |
Pull out manually |
| LCD Panel Illumination |
Light button illuminates the LCD panel for about 10 seconds, or press button again to turn off |
| Power Source |
Size-AA batteries x 4, Alkaline LR6, Nickel Hydroxide (Ni-MH), or Lithium FR6 |
| Dimensions |
3.0"x5.6"x4.2" |
| Weight without batteries |
13.4 oz without batteries |