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Pentax AF-540 FGZ P-TTL Shoe Mount Flash

Used Cat #3465108 • MFR #30425
103 reviews
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Pentax AF-540 FGZ P-TTL Shoe Mount Flash
This image is for illustrative purposes only
Key Features
  • Guide No.: 178.2' at ISO 100
The Pentax AF-540 FGZ is a professional flash unit that is fully compatible with the entire line of Pentax cameras, from the original 67 to 645N II & MZ-S, MZ-SD or digital *ist, K100D, K110D and K10D series cameras.  It will support advanced flash functions of even the latest digital SLR camera models.

Full manual control of flash output is possible even in slave mode, or use the TTL flash capabilities of the camera it's mounted on to achieve painless exposure with every aperture. The pop-up flash incorporated into many Pentax 35mm SLRs can be used to trigger the AF-540 FGZ wirelessly, and when combined with the MZ-SD or *ist D camera this is done with TTL metering!

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Pentax AF-540FGZ Overview

The Pentax AF-540 FGZ is a professional flash unit that is fully compatible with the entire line of Pentax cameras, from the original 67 to 645N II & MZ-S, MZ-SD or digital *ist, K100D, K110D and K10D series cameras.  It will support advanced flash functions of even the latest digital SLR camera models.

Full manual control of flash output is possible even in slave mode, or use the TTL flash capabilities of the camera it's mounted on to achieve painless exposure with every aperture. The pop-up flash incorporated into many Pentax 35mm SLRs can be used to trigger the AF-540 FGZ wirelessly, and when combined with the MZ-SD or *ist D camera this is done with TTL metering!

NOTE: Off-camera corded TTL or P-TTL flash with the AF-540 FGZ requires two pieces; Hot Shoe Adapter F or Fg (catalog #31022 & 31045 respectively), and Extension Cord F5P or Extension Cord F5PL (37347 & 37349 respectively).

Auto-zoom head covers from 24-85mm (20mm wide-angle adapter included)
Compatible with every Pentax camera, but has special features when used with MZ-S/MZ-SD or *ist series cameras:

  • P-TTL Pre-flash evaluative metering
  • HSS Focal plane high-speed flash sync
  • Wireless TTL capability with ratio lighting control & four transmission channels
Second-curtain sync
Illuminated LCD panel
AF Infrared lowlight assistance illumination
Excellent battery conservation; 200 full flashes with alkaline, 250 with 2500 mAh NiMH, 350 with lithium, and 700 full flashes with TR-III battery pack

Pentax AF-540FGZ Specs

Mount
Shoe
Type
Shoe mount
Guide No.
68' (21 m) at 20mm
105' (32 m) at 24mm
115' (35 m) at 28mm
128' (39 m) at 35mm
148' (45 m) at 50mm
164' (50 m) at 70mm
177' (54 m) at 85mm
Angle of Coverage
60° to 23° (24 to 85mm in 35mm format)
85° (20mm) with built-in wide angle diffuser
Auto f/Stops
Full TTL at all apertures (with TTL-capable Pentax cameras)
Vari-Power
In Manual mode: 1/1, 1/2, 1/4th, 1/8th, 1/16th, 1/32nd, and 1/64th
With wireless slave: 1/1, 2/3rd, 1/2, 1/3rd
TTL Dedication
Yes, including P-TTL
Bounce Head
Yes
Swivel Head
Yes
Zoom Head
24-85mm (flash senses focal length automatically)
Off Camera Terminal
Yes; can be triggered off-camera in slave mode (with TTL if used on MZ-S or *istD series cameras)
Recycle Time
(based on fresh batteries & full power)
6 Seconds with alkaline, NiMH, & lithium
4.5 Seconds with TR-III battery pack
Power Source
Four AA 1.5-Volt batteries (alkaline, lithium, NiCad, NiMh)
Dimensions
3 x 5.6 x 4.2" (76 x 142 x 107mm) WxHxD
Weight
13.4 oz (380 g)

Pentax AF-540FGZ Reviews

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