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Pentax AF540 FGZ TTL Flash Flashes
The AF540FGZ Electronic-Flash unit features a large guide number of 54 (at ISO 100) and provides a variety of advanced flash applications, including advanced P-TTL auto flash, high-speed synchronisation and wireless P-TTL auto flash (when mounted on a Pentax SLR camera). When mounted on a Pentax Auto-focus SLR (after the Z-10 and including Digital Format models) equipped with an FA-, FA J-, DFA- or DA- series lens, the AF540FGZ automatically adjusts its angle of discharge to the lens' focal length. The AF540FGZ auto-flash unit also features a newly provided 'Digital' position on the focal-length conversion scale of the Zoom Head which can accommodate digital SLRs, Bounce Flash function with adjustable angles of -10 to 90 degrees vertically and up to 180 degrees horizontally, and Power-zoom flash head to cover angles of view for 24mm to 85mm lenses (in 35mm format).
Submitted by Lightspeed1 a Professional
Date Reviewed: November 12, 2007
Strengths: Worked great and as advertised on my Pentax K10D, *istDl, LX & 645's. Compact, reasonable battery life and excellent output.
Weaknesses: Disappointing component quality and pricey.
Worked great and as advertised on my Pentax K10D, *istDl, LX & 645's. Compact, reasonable battery life and excellent output.
Looked very promising until the first failure in week 2 when the internal flimsy plastic linkage that retracts the pin locking the flash to the camera hotshoe failed and the flash and camera body became one piece.
A second failure occurred just after warranty expiry. The auto zoom and manual zoom functions have failed and the cause is unknown at this time.
A very disappointing performance from a pricey mainstream flash unit with moderate useage.
Back to old faithful, the Vivitar 285HV and my Metz 60Cts.
Duration Product Used: 21+ years
Purchased At: Amazon.com
Similar Products Used: Vivitar 285HV & Metz 60 CTs
Type of photography: Other
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