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Pentax AF-540 FGZ P-TTL Shoe Mount Flash |
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Part #: 30425
UPC: 027075116269
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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.
Features
Full manual control of flash output is possible, even in slave mode, or use the TTL flash capabilities of the camera its 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!
- Autozoom head covers from 24-85mm (20mm wideangle adapter included)
- 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
- Second-curtain sync
- Illuminated LCD panel
- AF Infared lowlight assistance illumination
- Excellent battery conservation; 200 full flashes with alkalines, 250 with 2500 mAH NiMH, 350 with lithium, & 700 full flashes with TR-III battery pack
Specs
| 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) |
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