Archived posting to the Leica Users Group, 2009/04/15
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]got it makes good sense Regards, George Lottermoser george at imagist.com http://www.imagist.com http://www.imagist.com/blog http://www.linkedin.com/in/imagist On Apr 15, 2009, at 5:43 PM, Tim Gray wrote: > I guess I could. But then I though, "If I'm going to shoot ~40 rolls > of film that is going for ~$40/roll on ebay, why not spend the extra > $40 and just buy a 39mm IR filter?" The real reason is because the CV > 28/3.5 with filter and hood doesn't obstruct the viewfinder, but with > a step up ring and filter, it would, and I wouldn't be able to use the > hood. > > I also have a 90 that takes 39mm filters, so with two sets of filters, > all my lenses are covered. > > On Wed, Apr 15, 2009 at 6:04 PM, George Lottermoser > <imagist3 at mac.com> wrote: >> why not just get a step-up ring? >> >> Regards, >> George Lottermoser >> george at imagist.com >> http://www.imagist.com >> http://www.imagist.com/blog >> http://www.linkedin.com/in/imagist >> >> On Apr 15, 2009, at 5:00 PM, Tim Gray wrote: >> >>> Hmm. That's interesting. I've seen very little about hotspots >>> on IR >>> film, but I guess it does happen. Oh well. Time to look for a 39mm >>> IR filter - I'll just shoot with the CV 28/3.5, which had better NOT >>> have a hotspot :) >>> >>> Not that it's that interesting to most since they no long make HIE, >>> but I'll going to run a test soon with the lenses I have to see >>> which >>> leave a hotspot on film, at what apertures. I'll also try to get a >>> handle on the focus shift... >>> >>> On Wed, Apr 15, 2009 at 4:54 PM, Slobodan Dimitrov >>> <s.dimitrov at charter.net> wrote: >>>> >>>> I've also had a hot spot with a 35mm. >>>> S.d. >>>> >>>> On Apr 15, 2009, at 1:29 PM, Leonard Taupier wrote: >>>> >>>>> Tim, >>>>> >>>>> The 28mm Summicron is known to give hotspots when shooting IR, >>>>> film or >>>>> digital. >>>>> >>>>> Len >>>>> >>>>> >>>>> On Apr 15, 2009, at 9:46 AM, Tim Gray wrote: >>>>> >>>>>> So I shot some HIE the other week, and to my surprise, a lot >>>>>> of the >>>>>> frames have an IR hotspot in the middle of the frame. I've >>>>>> heard this >>>>>> happens with digital and some lenses, but had never heard of it >>>>>> happening with film. I was using my 28 Summicron with an R72 >>>>>> filter. >>>>>> Anybody else have this occur while shooting film? >>>>>> >>>>>> _______________________________________________ >>>>>> 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 >>>> >>>> >>>> _______________________________________________ >>>> 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 >> >> >> _______________________________________________ >> 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