This website may place cookies on your computer to help us improve your personal user experience. Please read our privacy policy to learn more about cookies.

AF 540 FGZ II Auto Flash - Specifications

Product data
Article Number 30456
Release date Aug 28, 2013
Technical Specifications

Clip-on, P-TTL auto zoom flash unit with series control

Guide No.

Maximum 54 (ISO 100/m).

In manual mode, nine-step adjustment from M1/1 to M1/256

Flash duration

(M1/1) flash: Approx. 1/1200 sec. (P-TTL) Fastest duration time: Approx. 1/20000 sec

Flash Coverage Angle

Auto zoom enabled with autofocus compatible camera and lens combination.

Color temperature


Effective flash range

Approx. 0.8 m - 8.0 m (Guide No. 45, ISO 100, F/5.6)

AF spot beam

LED white beam emitted under low light or low-contrast conditions.

Effective range: Approx. 1m - 7m (According to our testing conditions.)

ISO range compatibility

ISO 25 - 1600

Flash modes

P-TTL auto, manual, multi, wireless (P-TTL/Manual)

Flash output compensation

In P-TTL mode, -4.0 to +2.0 levels (1/3, 1/2 step)

Flash output setting

Wireless flash (P-TTL): (1/1➝2/3➝1/2➝1/3)

Manual flash: (1/1➝1/2➝1/4➝1/8➝1/16➝1/32➝1/64➝1/128➝1/256)

Wireless flash (Manual): (1/1➝1/2➝1/4➝1/8➝1/16➝1/32➝1/64➝1/128➝1/256)

Multi flash: (1/4➝1/8➝1/16➝1/32➝1/64➝1/128➝1/256)

LED beam mode: (Auto➝1/1➝1/2➝1/4➝1/8➝1/16)

Multi flash

Number of the flash : 2 - 100

Flash frequency : 1 - 200 Hz

Flash sync modes

Leading curtain sync, Trailing curtain sync, Contrast control sync, High-speed sync

Wireless flash

(Control system) Optical pulse transmission

(Wireless position) Master (M), Control (C), Slave (S)

(Channels) 1 to 4

Compatible modes: P-TTL, manual (M)

Effective range: Approx. 4 m (When set to SL1, According to our testing conditions.)

Bounce flash

Vertical and horizontal bounce possible, click stops provided, lock provided at 0°.

Rightward: 0°, 30°, 60°, 90°, 120°, 150°, 180°

Leftward: 0°, 30°, 60°, 90°, 135°

Upward: 0°, 30°, 45°, 60°, 75°, 90°

Downward: 0°, -10°

Power saving

Automatic power-off: After approx. 3 min. of non-operation with the power on.

After 1 hour in wireless mode.

Quick power on: By pressing the camera’s shutter release button halfway.

Red-eye reduction

Operates with autofocus cameras equipped with red-eye reduction feature.

Wide-angle panel

Slide out manually to cover wide-angle.

LCD panel illumination

LCD panel illumination button illuminates the LCD panel for about 10 seconds or press the button again to turn it off.

Power source

Four AA batteries, (Alkaline (LR6), Nickel-Metal Hydride (Ni-MH), or Lithium (FR6))

Dimensions and weight

76 mm (W) × 113 mm (H) × 108 mm (T) (3.0'' × 4.4'' × 4.2'')

Approx. 350 g (12.3 oz.) without batteries

to top