"STF lenses include an apodization element in their optical formulas which creates the STF effect."
Apodization?? That's new for me. This page explains it: http://www.4photos.de/camera-diy/Apodization-Filter.html Replacing the aperture with a gradiant aperture. Another DIY project on my bucket list On 4 May 2016 at 05:58, Larry Colen <[email protected]> wrote: > Jostein should check this out > http://www.pentaxforums.com/articles/photo-articles/smooth-trans-focus-sony-135mm-f28-guide.html?src=eml > -- > Sent from my Android phone with K-9 Mail. Please excuse any swypos. > http://red4est.com/lrc > > -- > 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. -- 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.
