Isopropanol should be safe, David. The lens cleaner we use here to remove
immersion oil from coated microscope lenses is a mixture of water,
isopropanol and acetic acid. I use it routinely to clean camera lenses and
filters with no ill effect.
Charlie
On Thu, Mar 27, 2014 at 1:02 PM, David Irisarri <zuiko3000@xxxxxxxxx> wrote:
> Thank you so much for your ideas!!! OMG, I never had this problem before!
> it's really hard to remove it. I also was afraid of removing the coating
> with aggressive products. That's why I am double checking. It's certainly
> an expensive filter and I don't want to mess it up!
>
> Is isopropanol safe? Is there any risk of removing the coating?
>
> Regards,
>
> Dave
>
>
>
> On Thu, Mar 27, 2014 at 12:38 PM, Ken Norton <ken@xxxxxxxxxxx> wrote:
>
> > > I wonder if someone could tell me how to remove grease from a filter. I
> > > have a B+W filter and I was using it the other day at the beach, I had
> > sun
> > > screen on my hands and the filter is basically full of grease. I have
> > > tried to remove the grease with a cloth and gentle soap but it's almost
> > > impossible to clean it! Is there any good product to clean lenses and
> > > filters?
> >
> > I'm a fan of Dawn dishwashing soap. That usually works pretty well.
> > Most of the modern dishwashing soaps contain digestive enzymes in them
> > that take care of organic-based oils. But the old tried and true Dawn
> > or Ivory tend to be better with petroleum based oils. YMMV
> >
> > Sunscreen is a beast to get off camera gear. Almost as bad as bug goop.
> >
> > --
> > Ken Norton
> > ken@xxxxxxxxxxx
> > http://www.zone-10.com
> > --
> > _________________________________________________________________
> > Options: http://lists.thomasclausen.net/mailman/listinfo/olympus
> > Archives: http://lists.thomasclausen.net/mailman/private/olympus/
> > Themed Olympus Photo Exhibition: http://www.tope.nl/
> >
> >
> --
> _________________________________________________________________
> Options: http://lists.thomasclausen.net/mailman/listinfo/olympus
> Archives: http://lists.thomasclausen.net/mailman/private/olympus/
> Themed Olympus Photo Exhibition: http://www.tope.nl/
>
>
--
_________________________________________________________________
Options: http://lists.thomasclausen.net/mailman/listinfo/olympus
Archives: http://lists.thomasclausen.net/mailman/private/olympus/
Themed Olympus Photo Exhibition: http://www.tope.nl/
|