istD and Sigma 500 Super wireless test

[Mark Roberts]

For those who have this flash and are planning on buying a Pentax
K100D, there's a free upgrade Sigma is providing for this flash:
http://www.photographyblog.com/index.php/weblog/comments/sigma_upgrades_flashguns_for_pentax_k100d_dslr/

This must mean that Pentax has slightly changed the flash
communication protocol for their latest DSLR's. Interesting...
 
-- 
Mark Roberts Photography & Multimedia
www.robertstech.com
412-687-2835