why is D600 sensor dust problem exacerbated by stopping down the LENS?

Started Jan 25, 2013 | Discussions thread
Alex Notpro
OP Alex Notpro Contributing Member • Posts: 993
Re: Ange of light

John Motts wrote:

The main point is that the spots aren't actually on the sensor.

They are a tiny distance away from on it, on the surface of the anti-aliasing filter in front of the sensor.

Thanks for that clarification. I guess that also explains why cleaning is possible!

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