Last night I remembered another trick for removing stubborn lipid/oily
substances from lenses. Break a Styrofoam packing peanut in two and rub the
broken surface on the grease spot. Styrofoam is very lipophilic. Should
lift it right off the glass.
Keep in mind that modern sunscreen products contain a host of unique
chemicals and it is not just the oily emollients you are dealing with. Some
now contain nano-particles of titanium dioxide which I would imagine are
very "sticky" due to their small size.
Charlie
On Thu, Mar 27, 2014 at 12:23 PM, David Irisarri <zuiko3000@xxxxxxxxx>wrote:
> Hi,
>
> 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?
>
> Best regards,
>
> David
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