Quote:
Originally Posted by AdamJL
I’d like to know how to clean behind the lens.... it seems I have a stubborn dust spot behind the front element. Flats remove it but I don’t want it there.
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I doubt a dust spec behind the lens would be visible in an image. The dust would be much much closer to the sensor like the sensor chamber glass or a filter.
There is a site that has a calculator to determine how far from the sensor the dust donut is.
Greg.