| General |
| Weight |
13.40 oz - Without batteries |
| Dimensions |
5.60" Height x 3 Width x 4.20" Depth |
| URL |
http://www.pentaximaging.com |
| Warranty Information |
1 Year Limited |
| Additional Specifications |
| Frequency Band |
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) |
| Number of Batteries Support |
16 |
| Maximum Synchronization Shutter Speed |
1/20000 |
| Flash Synchronization |
1/1200 to 1/20000 |
| Maximum Flash Recycle Time |
6 Second |
| Battery Model Supported |
FR6 |
| Minimum Synchronization Shutter Speed |
1/1200 |
| Mount Type |
Shoe Mount |
| Autofocus Assist |
AF Assist Beam |
| Product Model |
AF540FGZ |
| Front Camera |
Pentax |
| Brand Name |
Pentax |
| Light Angle |
98 Horizontal (Flash) |
| Flash Range |
26.20 ft |
| Quick Glance |
| Flash Mode |
P-TTL|TTL|Automatic|Manual |
| Compatibility |
| Flash Mode |
P-TTL|TTL|Automatic|Manual |
| Performance |
| Guide Number |
45 m/148 ft at ISO 100 (50 mm Zoom-head Setting)|54 m/177 ft at ISO 100 (85 mm Zoom-head Setting) |
| Flash Recycle Time |
6 Second Approximate - Alkaline|6 Second Approximate - Nickel hydroxide (Ni-MH)|6 Second Approximate - Lithium |
| Battery Life |
200 Flash Approximate - Alkaline|250 Flash Approximate - Nickel hydroxide (Ni-MH)|350 Flash Approximate - Lithium |
| Flash Coverage |
20 mm to 85 mm |
