------- Forwarded message follows ------- From: Stan Patz <[EMAIL PROTECTED]> To: WILLEM-JAN MARKERINK <[EMAIL PROTECTED]> Subject: RE: EOS Tripod collar woes on 300mm f/4L Date sent: Wed, 22 Aug 2007 01:57:32 +0000
Dear WJ, Please relay this message.Stan Patz NYC [EMAIL PROTECTED] www.PatzImaging.com > Date: Tue, 21 Aug 2007 10:37:30 -0600> From: [EMAIL PROTECTED]> To: > [email protected]> Subject: Re: EOS Tripod collar woes on 300mm f/4L> > As a > kid, my father had an electronics repair shop. He had a variety> of > cleaners and solvents. The one I used the most was called TF> > solvent. It worked well. One day, in the dawn of CDs, I decided > that> the CD laser in little walkman type CD player was dirty. I > grabbed a> can and sprayed off my laser quite vigorously. It turns > out that I> had grabbed a can of TFM, not TF, and my CD player > disappeared. The> bits of metal were left, but not much else.> > I'd > suggest that you pay Canon to clean the goo off and not go> > embarking on Adventures In Solvent with a fancy lens.> > On 8/21/07, > Henning Wulff <[EMAIL PROTECTED]> wrote:> > > It's always a > good idea to try the solvent on an inconspicuous area> > first, but > none of the above should harm the enamel on a lens.> To Schlake and the group, Once bitten, twice shy, eh? Sending the lens to Canon for an exterior cleaning may be sensible, but overly cautious, time consuming and expensive. Henning's advice on cleaning products was very accurate. I follow a similar path when trying to clean crap off of hard surfaces. I usually start with Windex, a water-based ammonia product. If that does not work, I try alcohol. Next, paint thinner/naptha/lighter fluid. Someone could correct me here, but I think they are all the same. Lastly, I would try nail polish remover/acetone. This is, by far, the riskiest and should be tried with caution. I have many other solvents, like Goo Gone and Afta Cleaning Fluid, but Windex/soap and water, alcohol or naptha will clean almost any dried crud. A lot of the problem has to do with what you are cleaning. In this case, you have a pro level lens which almost certainly has a very durable baked enamel or even epoxy finish. I would not hesitate to use any of the product I described, especially since the area will be hidden under the clamp. Stan Patz NYC [EMAIL PROTECTED] www.PatzImaging.com _________________________________________________________________ Learn. Laugh. Share. Reallivemoms is right place! http://www.reallivemoms.com?ocid=TXT_TAGHM&loc=us ------- End of forwarded message ------- -- Bye, Willem-Jan Markerink The desire to understand is sometimes far less intelligent than the inability to understand <[EMAIL PROTECTED]> [note: 'a-one' & 'en-el'!] * **** ******* *********************************************************** * For list instructions, including unsubscribe, see: * http://www.a1.nl/phomepag/markerink/eos_list.htm ***********************************************************
