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Product Specifications

Pentax  AF-540FGZ II  

Main specs

Guide Number:  54

Bounce Angle:  +180 / -180 horizontal, +90 / -10 vertical

Dimensions:  76mm x 113mm x 108mm

$529.99

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Pentax-AF-540FGZ II-Flashes and Speedlights
Description Specifications

PHYSICAL CHARACTERISTICS

Dimensions

76mm x 113mm x 108mm

Weight

350g

Power Source

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

Type of Unit

flash / speedlight

PERFORMANCE CHARACTERISTICS

Notable Features

  • Weather resistant All Weather (AW) construction pairs perfectly with PENTAX WR digital SLRs.
  • Guide Number 178 at ISO 100/ft (54 at ISO 100/m)
  • LED constant light source for video and long exposure photography

Exposure / Flash Control

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

Guide Number

54

Angle of Coverage

20mm

Bounce Angle

+180 / -180 horizontal, +90 / -10 vertical

Shooting Distance (Zoom Range)

2.6 to 26.3 ft

Recycling Time

approx. 5 s

Battery Life

  • 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

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