Pentax has updated the firmware for its K20D semi-pro DSLR.

Per the manufacturer, firmware version 1.01 should "minimize the noise when taking picture with 2 seconds self-timer mode."
Visit Pentax's international support site to download the latest firmware version.
TechTarget publishes
more than 100 focused websites providing quick access to a deep store of
news, advice and analysis about the technologies, products and processes crucial
to the jobs of IT pros.
All Rights Reserved, Copyright 2000 - 2013, TechTarget | Read our Privacy Statement