Highlights for Pentax AF540FGZ Auto Flash

• Product Type:Flash Light
• Interfaces/Ports:1 x Hot Shoe

Marketing Information

The PENTAX AF540FGZ auto flash unit features a large guide number of 54 (at ISO100/m). This clip-on, twist/tilt, auto-zoom flash provides a variety of advanced flash applications, including P-TTL auto flash, high-speed synchronization and wireless P-TTL auto flash, when mounted on a PENTAX digital SLR camera.

General Information

Manufacturer

: PENTAX Imaging Company

Manufacturer Part Number

: 30425

Manufacturer Website Address

: www.pentaxtech.com

Product Model

: AF540FGZ

Product Name

: AF540FGZ Auto Flash

Product Type

: Flash Light

Brand Name

: Pentax

Physical Characteristics

Dimensions

: 5.6in Height x 3in Width x 4.2in Depth

Weight

: 13.4 oz - Without batteries

Miscellaneous

Additional Information

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)

Warranty

Standard Warranty

: 1 Year Limited

Battery Information

Batteries

: 4 x AA LR6 Alkaline Supported

Battery Life

: 200 Flash Approximate - Alkaline

Power Description

Power Source

: Battery

Environmental Conditions

Technical Information

Flash Modes

: P-TTL

Guide Number

: 45m/148ft at ISO 100 (50mm Zoom-head Setting)

Flash Coverage

: 20mm to 85mm

Flash Recycle Time

: 6Second Approximate - Alkaline

Flash Range

: 2.6ft to 26.2ft Approximate f/5.6 Lens - ISO 100

Flash Synchronization

: 1/1200 to 1/20000

Autofocus Assist

: AF Assist Beam Cover - Red beam emitted under low light or low-contrast conditions

Light Angle

: 85° Vertical (Flash)

Interfaces/Ports

Interfaces/Ports

: 1 x Hot Shoe

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