Set to "AV", aperture to (32) and then expose to the cloudless sky as possible. Now the image in Photoshop a hard Levels subjected. The once-white picture suddenly gets a lot of middle / to dark blue tones - and - shows, in the form of black dots, really everything to dust, which the sensor has to offer.
By blowing these changes only its location, but does not disappear.
A friend recommended me now - under incantations to exercise caution -the PENTAX SENSOR CLEANING KIT. Important when using is that you can not just located in the implementation of cleaning in a place where more dust could enter the camera interior and you should already apply a little patience and proceed primarily according to the instructions and the swab after each contact settle with the sensor on the adhesive pad. For me it has two passages used (I had on the first pass forgotten corner) around the sensor to get super clean.
Conclusion:
The set is recommended in any case, and met, provided that the correct use, its purpose 100%.
Only the high price deters initially but very material, but the kit should keep a "life camera" long. Up to 50 cleaning cycles are quite possible, then the block is used up with the pads ....
