http://www.pentax.de/de/product/17531/body/downloads/foto_kameras.php
Lens Correction (Distortion, Lateral chromatic aberration) is settable for below FA limited lenses.
smc PENTAX-FA 31mmF1.8AL Limited
smc PENTAX-FA 43mmF1.9 Limited
smc PENTAX-FA 77mmF1.8 Limited
Improved usability by optimize the program of vertical position judgment.
Improved stability of recording movie for some SDHC Memory card.

http://www.pentax.jp/english/support/digital/k-7_s.html

看来宾得还是要靠公主撑门面啊~