Pentax AF 540FGZ TTL Flashgun with Case
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Featuring a large guide number of 54 (at ISO100/m), this clip-on-type auto-zoom flash provides a variety of enhanced flash applications including P-TTL auto flash, high-speed synchronisation and wireless P-TTL auto flash when mounted on a Pentax SLR camera.
The PENTAX AF540FGZ flashgun features a large guide number of 54 (at ISO100/m) and provides a variety of advanced flash applications including P-TTL auto flash, auto flash, high speed sync, 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, FAJ, DFA or DA series lens, the AF540FGZ automatically adjusts its angle of discharge to the lens' focal length.
There is a "DIGITAL" position newly provided to accomodate digital SLR's.
Bounce Flash function.
External Power Supply with the optional TR Power Pack II.See all Product description
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I have also tried it with a 500m telephoto lens for wildlife and found that you need to set the Flash Output compensation to +1.0 for best results, but again it certainly does the job.
I also tried out the wireless mode (having first upgraded the Firmware on my camera - as explained very clearly in the manual) and again it just worked.
So overall impression of this flash is Yes it's pricy, but it has a huge range of functionality (many of which I'm sure most amateur photographers will never use) and it works.
For me this warrants an 8/10.
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