Archived posting to the Leica Users Group, 2009/03/22
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Hi Lluis, Maybe you AND the lens do your best work with senoritas. ;-) Jim Nichols Tullahoma, TN USA ----- Original Message ----- From: "Lluis Ripoll" <luisripoll at telefonica.net> To: "Leica Users Group" <lug at leica-users.org> Sent: Sunday, March 22, 2009 4:18 PM Subject: Re: [Leica] Test Zeiss Jena Sonnar 2/85 > Hi Geoff, > > Maybe..., maybe.. This is an interesting case to study. As you know this > is the Contax RF old Zeiss Jena Sonnar 2/8,5 cm, the glass is perfect, > only some dust that it can not affect final quality. These pictures was > shot on a cloudy day. > > I use it with an special adaptor that consist in the front focusing part > of the old RF Contax adapted to Leica M mount, I've tried it on the M8 > and no trace of this problem, on the M8 the only problem is a slight > focus shift, I have sand the adapter to be adjusted a little bit more, on > the M3 it was not a focus problem, I think this is as you say an internal > reflection, probably a small light has entered due to the adjustment of > the adapter. > > When the lens is correctly set it performs nicely, do you remember these > se?oritas with this lens on the M8?: > > http://gallery.leica-users.org/v/luisrq/Barcelona/L1001206-1.jpg.html > > http://gallery.leica-users.org/v/luisrq/Barcelona/L1001206bw.jpg.html > > http://gallery.leica-users.org/v/luisrq/Barcelona/L1001206-2bw.jpg.html > > Maybe it is a lens that only work with nice se?oritas? > > Thank you Geoff! > > All the best! > Lluis > > > > > El 22/03/2009, a las 21:59, Geoff Hopkinson escribi?: > >> Lluis I can see the effect you mention in a couple of these. It is odd. >> I do not think it is due to missing lenshood as the light doesn't look >> that >> difficult. >> I do not think it is a dirty lens as that would just reduce the contrast >> everywhere. >> I see nothing that looks like a sensor error either. (streaks, blobs, >> faulty >> photosites) >> My guess would be that it is an internal reflection in the lens for some >> reason. >> Maybe you could shoot some test shots of a plain black area and see if >> you >> can detect a lighter grey area in the shot? >> Please keep us informed if you find out the cause. >> >> >> >> 2009/3/22 Lluis Ripoll <luisripoll at telefonica.net> >> >>> I've tested the lens on the M3 with TX at 400 ISO, I was veru surprised >>> to >>> appreciate a certain flare on the center of the negative, aybe it was >>> simply >>> that lens was dirty, the lens has no signs of coating deterioration at >>> all, >>> maybe is a slight reflection of light due to the adaptor adjustement on >>> the >>> camera, the case is that the first picture could be in my opinion a >>> good >>> catch but I've can improve it, I would like know your opinions, thanks >>> in >>> advance. >>> >>> http://photo.net/photodb/photo?photo_id=8813763 >>> >>> http://photo.net/photodb/photo?photo_id=8813764 >>> >>> http://photo.net/photodb/photo?photo_id=8813762 >>> >>> http://photo.net/photodb/photo?photo_id=8813761 >>> >>> http://photo.net/photodb/photo?photo_id=8813760 >>> >>> Thanks for looking and your comments, >>> >>> Saludos cordiales >>> Lluis >>> >>> >>> _______________________________________________ >>> Leica Users Group. >>> See http://leica-users.org/mailman/listinfo/lug for more information >>> >> >> >> >> -- >> Cheers >> Geoff >> 'Life's too short for mediocre glass' >> http://gallery.leica-users.org/v/gh/a/ >> http://www.pbase.com/hoppyman >> >> _______________________________________________ >> 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 > >