Archived posting to the Leica Users Group, 2008/06/17
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]On Jun 17, 2008, at 8:55 AM, Bob Adler wrote: > I like Peter's test and will try it myself, but under different > conditions; the conditions I mostly shoot under. Incandescent light > and outside (not quite sure where I'll get a mirror for that; > perhaps I'll find another subject...). I may also try it on a tripod > for a landscape as I use the M for when I travel. > But I like Peter's thinking and approach. I'll give it a whirl for > the type of shooting I do to see if there is such a marked > difference as Peter got. > I would encourage any of you to try the same and let us all know > what you find. agree, and we'll have quite a gallery of Leica using test shooters... Steve > > Bob > > Bob Adler > Palo Alto, CA > http://www..raflexions.com > > > > ----- Original Message ---- > From: Lottermoser George <imagist3@mac.com> > To: Leica Users Group <lug@leica-users.org> > Sent: Tuesday, June 17, 2008 8:46:35 AM > Subject: Re: [Leica] How IR filters affect M8 B&W > > Peter's test shows us what this lens will do wide open, hand held, by > Peter, at a 360th of a second, with and without a filter. > > Locking the camera down on a solid tripod, stopping down to where the > IR wave lengths will also be in focus "may" very well provide a > different result. All of us with M8's could spend time testing our > various lenses, with and without filters, at various apertures, > focused on various subjects, with various amounts of IR present. > > When discussing sharpness and contrast camera movement and subject > movement must be absolutely removed from the equation (as much as is > humanly possible). > > Peter's test, while interesting and informative, certainly did not > reduce camera and subject movement to anywhere near zero. > > Fond regards, > George > george@imagist.com > www.imagist.com > http://www.imagist.com/blog > Picture A Week - www.imagist.com/paw_07 > > > > On Jun 17, 2008, at 10:24 AM, Steve Barbour wrote: > >> what started all this is the vague memory of several of us (or was >> it confabulation?) that without IR filters, bw on the M8 is in >> fact slightly improved, sharper, more contrasty thanks to the IR >> rays, >> >> anybody know about this? > > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information > > > > > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information