Pentax AF-540FGZ II Dedicated Shoe Mount Zoom Flash, Guide Number 177 at ISO 100
Click to enlarge

Pentax AF-540FGZ II Dedicated Shoe Mount Zoom Flash, Guide Number 177 at ISO 100

Price: $469.95

Purchase

Description

About Pentax AF-540FGZ II

The Pentax AF540FGZ II is designed with the active photographer in mind and features significant upgrades like the PENTAX original weather sealing (AW) technology and a new constant light source, making it as robust and versatile as the PENTAX weather-sealed DSLRs and lenses that it will accompany. 

With a guide number of 178 at ISO 100/ft (54 at ISO 100/m) the Pentax AF540FGZ II flash provides a variety of advanced flash applications, including P-TTL auto flash, high-speed synchronization and wireless P-TTL auto flash. Additionally The Pentax AF540FGZ II features a LED light to act as a constant light source for video and long exposure photography, while quick recycle times of five seconds on the AF540FGZ II ensure that a shot is never missed.

Pentax AF-540FGZ II Features

  • Weather resistant All Weather (AW) construction pairs perfectly with PENTAX WRDSLR cameras.
  • High Guide number for increased range and versatile flash performance
  • P-TTL mode with pre-flash allows for more accurate strobe photography
  • Constant light source for video or long exposure still photography.
  • High speed on camera and high speed wireless flash is available in P-TTL modes
  • Flash exposure compensation through a simple control dial
  • LCD display shows the effective range of the flash

Specification

Pentax AF-540FGZ II Specifications
Type
Shoe Mount
Guide Number
119' (ISO 100 at 85mm)
69' (ISO 100 at 24mm)
Zoom Range
24-85mm
Bounce Capability
Vertical 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°
Swivel Capability
None
Auto Settings
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.)
Angle of Coverage
Auto zoom enabled with autofocus compatible camera and lens combination.
Flash Duration
Flash duration (1/2 peak each) (M1/1) flash: Approx. 1/1200 sec. (P-TTL) Fastestduration time: Approx. 1/20000 sec
Power Source
Four AA batteries, (Alkaline (LR6), Nickel-Metal Hydride (Ni-MH), or Lithium (FR6))
Dimensions (W x H x D)
68 mm (W) x 111 mm (H) x 106 mm (T) (2.6" x 4.3" x 4.1")
Weight
Approx. 290 g (10.2 oz.) without batteries
TOP

Product Reviews

Login or Register to write the first review.