I would sometimes get something like that from reflections off the uv filter. Could that be a reflection off the sensor and rear element? Does changing the aperture change the size of the spot?
On April 9, 2015 6:56:21 AM PDT, Jens Bladt <[email protected]> wrote: >Hi guys >I sometimes get a blueish spot, when I use a macro lens. >Please look at: > >https://www.flickr.com/photos/bladt/16900869850/in/photostream/ > >Any suggestions and help is very much appreciated :-) > >Thanks >Jens -- Sent from my Android phone with K-9 Mail. Please excuse my brevity. -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.

