Just joking, of course. I honestly thought it would never make a difference. I am into extracting the best performance that I can from my equipment and if it makes a noticeable difference to shot without a protective filter then that's what I'm damn well gonna do. Right ? Dave ________________________________ From: Steve Barbour <steve.barbour@xxxxxxxxx> To: leicareflex@xxxxxxxxxxxxx Sent: Sun, January 17, 2010 3:17:38 PM Subject: [LRflex] Re: formula for lens cleaning fluid On Jan 17, 2010, at 3:06 PM, David Simms wrote: > OK. The challenge is on. Thanks for this. not a challenge David, but you are most certainly welcome... the way I see it, a camera is made to take pictures, not to be the subject of a PhD thesis... :-) Steve > Dave > > > > ________________________________ > From: Steve Barbour <steve.barbour@xxxxxxxxx> > To: leicareflex@xxxxxxxxxxxxx > Sent: Sun, January 17, 2010 2:07:12 PM > Subject: [LRflex] Re: formula for lens cleaning fluid > > > On Jan 17, 2010, at 1:54 PM, David Simms wrote: > >> Thanks for the tip. >> Now, why the reluctance to use filters ? Do you actually they'll reduce the >> performance of your R lenses ? >> I know that filters represent another pair of optical surfaces but, when >> your lenses are big-time expensive, would you not think that the trade off >> is worth protecting that front element from dust, accidental abrasion, >> possible damage from pollutants in the air and so on ? Also, a skylite or UV >> does filter out wavelengths that lie outside the visible range and which can >> alter the response of some films. >> Anyone aware of studies or tests done on the subject ? > > have you taken any photos with/without...? let's take a look... > > > Steve >> Dave >> >> >> ________________________________ >> From: Bob Shaw <rsphotoimages@xxxxxxxxxxx> >> To: leicareflex@xxxxxxxxxxxxx >> Sent: Sun, January 17, 2010 11:46:28 AM >> Subject: [LRflex] Re: formula for lens cleaning fluid >> >> Avout 5 months ago I decided to try a gel product called "Blu Goo" on my >> coated eyeglasses. >> www.blugoo.com/ >> >> Superb results and absolutely no scratches to the anti-glare coating . They >> provide their own washable (blue, of course) microfiber cloth. >> >> I use my fingertips (after bath or shower so skin is soft) to apply, just a >> tiny amount out of the tiny jar. Sort of like applying automobile wax with >> your index finger tip. >> >> Then remove the dried film using the cloth. We're talking about 60 seconds >> for the whole process, here. There appears to be no polymerization on the >> lens surface after cleaning. The product is water-based and contains none >> of the usual no-no ingredients. >> >> If you need to know more, go here: www.blugoo.com/ >> >> I've considered using on filters but am not going to use on my R lenses >> until I hear from someone else who has. Cluck-cluck-cluck...big chicken, >> here. >> >> As to microfiber; I never use it on those rare occasions when I must clean >> lenses. >> >> I do the "breath vapor" thing, then gently rub with a very old tight-weave >> (therefore pretty much lint-free) cotton dish towel that has been washed >> repeatedly (maybe 50+ times over the past several years). I always have one >> clean old dish towel available for that purpose only. >> >> Thing about microfiber is that it is not very absorbent (try drying wine >> glasses with a microfiber towel if you don't believe me). Also it seems >> that there are different grades which actually can scratch. Sort of a >> polymeric crap shoot. >> >> Probably better for outer garments than for cleaning fine (read as, >> Leica/Contax/etc.) optics. >> >> I now deactivate my Obsessive-Compulsive Module and yield to the Forum on >> this topic. >> >> >> Bob >> >> >> >> Bob Shaw >> rsphotoimages@xxxxxxxxxxx >> >> >> On Jan 16, 2010, at 10:21 AM, David Simms wrote: >> >>> I couldn't agree more; less is more. Even least may be too much. I'm not as >>> hung up on cleaning filters though. I'll probably email Gerry Smith, the >>> Canadian dean of Leica repair, to get his input, just to be sure. >>> cheers >>> Dave >>> >>> >>> >>> >>> ________________________________ >>> From: Sonny Carter <sonc.hegr@xxxxxxxxx> >>> To: leicareflex@xxxxxxxxxxxxx >>> Sent: Sat, January 16, 2010 10:01:10 AM >>> Subject: [LRflex] Re: formula for lens cleaning fluid >>> >>> On Sat, Jan 16, 2010 at 11:51 AM, David Simms <simmszee@xxxxxxxx> wrote: >>>> Hmmmm. Is it capable of cleaning the lettering, for instance on a Leica >>>> lens ? >>>> I think I'd find myself being somewhat squeamish about using it on optical >>>> surfaces although the (possible) Leica-sanctioned mixture that I mentioned >>>> would probably not be much less nasty. >>>> Thanks >>>> Dave >>>> >>> >>> I dunno, many of the older lens components were cemented with organic >>> materials. >>> >>> As far as buying, fixing up and selling, how do you know the long term >>> effects of lighter fluid on the lenses? You don't have them any more. >>> >>> I think I'd just be careful. Less is more with lenses. >>> >>> -- >>> Regards, >>> >>> Sonny >>> http://www.sonc.com >>> http://sonc.stumbleupon.com/ >>> Natchitoches, Louisiana >>> (+31.754164,-093.099080) >>> >>> USA >>> >>> >>> ------ >>> Unsubscribe or change to/from Digest Mode at: >>> http://www.lrflex.furnfeather.net/ >>> Archives are at: >>> //www.freelists.org/archives/leicareflex/ >>> >>> >>> >>> __________________________________________________________________ >>> Connect with friends from any web browser - no download required. Try the >>> new Yahoo! 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