Sigma Notice

Notice to end-users of EF-500 DG Super Pentax and EF-500 DG ST Pentax flashguns. 

2006.7.31 To our valued customers,

Sigma’s EF-500 DG SUPER and EF-500 DG ST model flashguns for Pentax mount do not operate with the recently introduced Pentax K100D D-SLR camera. To overcome this, we will start supplying a free-upgrade service to our customers today *. We regret any problems this may cause our customers who own Pentax K100D D-SLR cameras and we will take all necessary steps to minimize inconvenience to these valued customers.

* This problem occurs with the Pentax K100D D-SLR camera only.
* List of flashguns requiring update for the Pentax K100D D-SLR camera:

    EF-500 DG SUPER Pentax fitting
    EF-500 DG ST Pentax fitting

* Update service is not available for the non-DG version (EF-500 Super Pentax fitting and EF-500 ST Pentax fitting) of above flashguns.

For further information, please contact your nearest authorized Sigma Service Station.
http://www.sigma-photo.co.jp/english/network/index.htm

We will post further information regarding service procedure and time-scales in due course.