Pentax Flash AF-540 FGZ P-TTL

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Retail: $389.95
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  • Product Details


  • Focal Length: Approximately 50mm
  • Maximum Aperture: f/2
  • Minimum Focusing Distance: 18"
  • Angle of View: 46°
  • Filter Size: N/A
  • Length: 2.5"
  • Weight: 0.34 lbs

This Item Normally Includes: Pouch and a hot shoe stand.


The Pentax AF-540 FGZ is a dedicated flash for Pentax digital cameras that is comparable to the 580ex for Canon. The flash connects to your hot shoe. Full manual operation is possible and it offers TTL capability allowing the flash to adjust to your cameras focal length and aperture instantly. The flash can be used alone or paired up with another 540 FGZ with one working as a master and the other as a slave.

The autozoom head covers the range of 24-85mm with a 20mm wide angle adapter included. The flash can be used on second curtain sync. There is a illuminated LCD panel for use in dark areas. The flash has excellent battery conservation giving 200 full flashes with four alkaline batteries.

The 540 FGZ is compatible with every Pentax camera, but has special features when used with MZ-S/MZ-SD or *ist series cameras:

  • P-TTL Preflash evaluative metering
  • HSS Focal plane high-speed flash sync
  • Wireless TTL capability with ratio lighting control & four transmission channels