Well, I took the plunge and tried a manual clean of the sensor.
I did it three times. First, I did the mirror lock-up and blast of air. Reassembling the camera and taking an out-of-focus shot at high aperture revealed … the same dust spots in the same places.
D’oh!
So, I tried again, this time with a soft, clean, artist’s brush to gently move the dust away, followed up by a blast of air. Another photo revealed the situation had improved, but I had succeeded in moving the spots about.
Hmm.
A third and final attempt proved equally frustrating. The problem, I realise now, is that you simply cannot see the dust on the sensor when you study it. I did it under a strong light, and with a magnifying glass, but I could not see any dust physically on the sensor. So, that either means the dust isn’t really on the sensor (in which case how come it appears in the images not matter which lens I use), or I am not being brave enough to actually shift the particles with the brush.
I am about to wave my credit card at Amazon for the cleaning kit from DustAid.
I’ll report back if that works or not.
I did it three times. First, I did the mirror lock-up and blast of air. Reassembling the camera and taking an out-of-focus shot at high aperture revealed … the same dust spots in the same places.
D’oh!
So, I tried again, this time with a soft, clean, artist’s brush to gently move the dust away, followed up by a blast of air. Another photo revealed the situation had improved, but I had succeeded in moving the spots about.
Hmm.
A third and final attempt proved equally frustrating. The problem, I realise now, is that you simply cannot see the dust on the sensor when you study it. I did it under a strong light, and with a magnifying glass, but I could not see any dust physically on the sensor. So, that either means the dust isn’t really on the sensor (in which case how come it appears in the images not matter which lens I use), or I am not being brave enough to actually shift the particles with the brush.
I am about to wave my credit card at Amazon for the cleaning kit from DustAid.
I’ll report back if that works or not.
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