Hi , I will really appreciate help here.
The two pictures attached were taken with my K-5 + D FA MACRO 100mm WR. Same subject, ane picture at F2.8, the other at F32, that is, both ends of the lens.
The F32 shows many black dots indicating likely a dirty sensor. It must be the sensor because I get the same dots with any of my lens (18-135 WR, DA 40 limited, 55-300, A-2.8 135mm, D FA100mm).
The camera was recently sent to professional cleaning, I got it back just 3 weeks ago and I have noticed the dirt just recently.
The Dust Alert function does not detect any dust. I used repeatedly the dust blower to try removing any dust, but no success.
Should I send it back to cleaning (is actually a pain)? Why is the dust alert so ineffective? Has anybody noticed a similar behavior?
Thanks a lot for any answers
Felipe