Archived posting to the Leica Users Group, 1998/02/18
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]I did some shooting of some outdoor Christmas lights while I was in the states and noticed this too, BTW I was not a happy camper when I looked at the slides. Fortunately, I rarely have small light point sources in my photos. I wonder of Leica knows of this???? Duane Birkey HCJB World Radio Quito Ecuador >From: Robert Rose <RJR@usip.com> >Date: Tue, 17 Feb 1998 14:12:32 -0800 >Subject: [Leica] Star Diffraction Pattern? >I thought one of our more technical minded members might give an opinion on the cause of an interesting "feature" of my Leica >lenses. >I have noticed that when shooting available light pictures with my 35mm Summicron-M ASPH, small very bright light sources >(almost point sources?) produce a star diffraction pattern on the image, almost like the result from a star filter, in the pattern of the >aperture blades.