Archived posting to the Leica Users Group, 1997/05/20
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]> From: Erwin Puts <imxputs@knoware.nl> > Date: Mon, 19 May 97 19:22:44 +0100 > Subject: Re: 35mm lenses compared?(tech/optics) > <snip> > > Are the light sources sharply in focus? What you describe seems to me the effect of halo > around light sources. And that is quite normal. The light sources are indeed in focus. And there is no halo around the light sources. > The film you used is also a factor of influence. Perhaps the film can be ruled out since the ASPH did not show coma using the same film? >'Coma" you can recognize as distinct and > asymmetrical triangles of light, like the tail of a comet. Mostly the > light patch fades away in one direction. This is a very good description of what I am seeing. > <snip> > > Erwin Puts Otto