Have u tried a microfiber cloth ?
Sent from my iPad
On Mar 27, 2014, at 10:26 AM, Charles Geilfuss <charles.geilfuss@xxxxxxxxx
> wrote:
> 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
>>> --
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