Archived posting to the Leica Users Group, 2017/03/21
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Thanks for the offer, Curtis. I explored those last week and could find only two choices, small flashlight or large, expensive light. I mistakenly assumed that the large ones might develop too much heat. I am nearly finished with the sunlight treatment, and, on examination last evening, the lens appeared fine. I will give it a couple of more days and call it complete. Jim Nichols Tullahoma, TN USA On 3/21/2017 1:37 AM, Curtis Fant wrote: > I have a large black light that I have cleared many of those Atomic taks > with. If you send it to me I'll clear it for you. Sunlight might heat up > the lens, the UV / black light doesn't at all. > > Curt > > On Tue, Mar 21, 2017 at 12:17 AM, Jim Nichols <jhnichols at lighttube.net> > wrote: > >> Thanks, Paul. Good luck with the wides. I'm sure a lot of folks are >> interested. >> >> Jim Nichols >> Tullahoma, TN USA >> >> On 3/21/2017 12:13 AM, Paul Roark wrote: >> >>> Nice shot. I have an adapter for my Sony bodies and will be using the 50 >>> f/1.4 with them occasionally. >>> >>> BTW, Kolarivision now has a 0.2 mm coverglass for the Sony that, I hope, >>> will open up the Leica M wides to the Sony bodies. I'll be testing it >>> and >>> let the group know how/if it works when the camera is returned to me. >>> >>> Paul >>> www.PaulRoark.com >>> >>> On Mon, Mar 20, 2017 at 9:56 PM, Jim Nichols <jhnichols at lighttube.net> >>> wrote: >>> >>> Hi Paul, >>>> A lot of us have had them over the years. I happen to have two, the >>>> 50/1.4 and the 55/1.8. Strangely, the 55 shows very little >>>> discoloration, >>>> but the 50 darkens a little with age. I'm trying to rejuvenate the >>>> 50/1.4 >>>> because I like the look it gives wide open, even if it is basically a >>>> little warm. >>>> >>>> Here is my favorite from the 50/1.4, about 8 years ago: >>>> >>>> http://www.gallery.leica-users.org/v/OldNick/Katie+Grace+_ >>>> amp_+Kristin.jpg.html >>>> >>>> Jim Nichols >>>> Tullahoma, TN USA >>>> >>>> On 3/20/2017 11:46 PM, Paul Roark wrote: >>>> >>>> Jim Nichols wrote: >>>>> My slightly radioactive Pentax Super-Multi-Coated Takumar 50/1.4 is >>>>> >>>>>> undergoing a sunshine treatment in hopes of reducing the slight >>>>>> discoloration of the 3 rear elements. The recommended exposure is >>>>>> about >>>>>> a >>>>>> week, but may get extended because of bad weather days. >>>>>> ?... >>>>>> >>>>>> ?Interesting. I inherited a screw-mount Pentax outfit from a great >>>>>> uncle >>>>>> >>>>> and have one of these radioactive 50s. >>>>> >>>>> Paul >>>>> www.PaulRoark.com >>>>> >>>>> ? >>>>> >>>>> ? >>>>> >>>>>> _______________________________________________ >>>>>> >>>>> 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 >