[OT] glass cleaners - was Problem with newer DVD's in ubuntu 10.04 (Video-Player)

[Basil Chupin]

On 09/09/2010 22:27, Dave Howorth wrote:
> Basil Chupin wrote:
>    
>> A clean, cotton handkerchief, irrespective of how many times it has been
>> laundered, just doesn't make the grade :-( . In no way, shape or form.
>>
>> For the purposes we are talking about here, Kleenex tissues, or
>> equivalent (I use Sorbent tissues, a local name no doubt) for the job.
>>      
> Interesting; there must be some non-obvious physical processes going on,
> because my experience is the opposite. For many years I used to clean my
> spectacles using tissues, and over time the anti-reflective coating
> always wore away. In recent years, I've switched to cleaning them using
> my polycotton shirt tails and the optician has remarked on how well the
> coatings on my lenses are lasting.
>    

Question: are we talking here about the old high tech GLASS lenses or 
the latest high tech plastic lenses (coated or not)?

BC


-- 
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