Compare Sunpak PZ 040MS TTL Flash for Minolta to Pentax AF-540 FGZ TTL Flash

The silver Sunpak PZ40MS is a powerful, full-featured, lightweight, shoe-mount electronic flash unit for Minolta digital and film cameras with TTL dedicated configurations. It will also work manually with cameras having a non-dedicated, single-contact hot shoe. It is 40% smaller and significantly lighter than previous flash units with the same features and power output, with an impressive ISO 100 guide number of 102 at the 50mm zoom setting. Less

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). Less