• 9 years ago
Buy from Amazon.com : http://fave.co/1CH39ZX

Pentax AF540FGZ Flash for Pentax and Samsung Digital SLR Cameras

Product Description :
54 guide number
Variety of auto flash functions including P-TTL
Automatically adjusts discharge angle to focal length on select lenses
Auto power-off function 100-degree verticle and 180-degree horizontal adjustable angles
Clip-on style auto-zoom flash attachment

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