Uncleanable dirt in a lens

Started 2 months ago | Discussions thread
Doug Haag Senior Member • Posts: 2,249
Re: Uncleanable dirt in a lens
2

Are your "sure" you are seeing spots on your images from the dust?  Watch the attached DPR video beginning at the 2:00 minute mark and then think about other things that might cause what you are seeing.  I assume you have already inspected images taken with other lenses and they do not include the same imperfections.

https://www.dpreview.com/videos/4128862298/dpreview-tv-how-much-do-scratches-dust-and-fingerprints-affect-lens-image-quality

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