just wondering if anyone here has tried this stuff and if
you like it(?). they show a fairly non-typical scenario of
scratching a lense w/240 grit paper and then using the fluid.

i wonder how it would work on typical scratches and how long
it lasts. does it attract/repel dirt? thanks! --Loren

Loren Coe wrote:
just wondering if anyone here has tried this stuff and if
you like it(?). they show a fairly non-typical scenario of
scratching a lense w/240 grit paper and then using the fluid.

i wonder how it would work on typical scratches and how long
it lasts. does it attract/repel dirt? thanks! --Loren

Try scratching a piece of dry glass and then wetting it with ordinary
water. The scratches seem to disappear. That's all the commercial is
showing.

On Wed, 31 Dec 2003 00:33:14 GMT, Loren Coe
wrote:

===just wondering if anyone here has tried this stuff and if
===you like it(?). they show a fairly non-typical scenario of
===scratching a lense w/240 grit paper and then using the fluid.
===
===i wonder how it would work on typical scratches and how long
===it lasts. does it attract/repel dirt? thanks! --Loren
I would think if the repair was so good and lasted any amaount of
time you would see more eyeglass places advertsing scratch removal in
addition to making glasses. There is more to removing scratches from
plastic or glasss than merely wiping on a fluid (at least in this
present stage of time). We used to work our butts off polishing out
scratches on aircraft transparencys with some really ultra fine
abrasive media that felt more like silk than abrasive, and it was
tough, and usually when you did get it looking good, you always wound
up with some distortion in the repaired area.
Visit my website: http://www.frugalmachinist.com
Opinions expressed are those of my wifes,
I had no input whatsoever.
Remove "nospam" from email addy.

In article ePoIb.705584$Fm2.608145@attbi_s04, Loren Coe
wrote:

just wondering if anyone here has tried this stuff and if
you like it(?). they show a fairly non-typical scenario of
scratching a lense w/240 grit paper and then using the fluid.

i wonder how it would work on typical scratches and how long
it lasts. does it attract/repel dirt? thanks! --Loren



It is just a microcrystalline wax.
Regular johnson floor wax works.
I got one of the little pocket sized scratc removal applicators at the
optetrician I got my last pair of glasses from.

It does work, but it doesn't last that long.
Floor wax lasts a bit longer.

Roy wrote: (clip) We used to work our butts off polishing out scratches on
aircraft transparencys with some really ultra fine abrasive media that felt
more like silk than abrasive, and it was tough, and usually when you did get
it looking good, you always wound up with some distortion in the repaired
area (clip)
^^^^^^^^^^^
When you polish out the scratches, using successively finer abrasives, yoiu
are removing material. If it's a lens, you will change the curvature. If
it's a window, you will introduce curvature.

I don't know the product in question, but I do know that low-cost mobile
windshield repair is done by filling the cracks with a resin which has the
same index of refraction as the glass. If you could fill the scratches in a
lens with this same material, and get it exactly level with the glass, it
ought to work

Loren Coe wrote:

just wondering if anyone here has tried this stuff and if
you like it(?). they show a fairly non-typical scenario of
scratching a lense w/240 grit paper and then using the fluid.

i wonder how it would work on typical scratches and how long
it lasts. does it attract/repel dirt? thanks! --Loren
you could try it on an old pair of sun glasses, and use just water. and
on tv the water on the glass makes it look new... i once worked for a
local tv station... the guy in charge of making scenes for the station,
took some cheap pine 1/8 in plywood and made a news room set.. stained
it up with a wood stain and then make up some cardboard boxes with paint
on them and glitter sprinkled on it, pasted some more squared on the
boxes(when he was finished with that and putting the lights on it.. the
desk/chairs looked like real wood furniture in a high priced lawyers
office, the boxes looked like high rise buildings that you would see
looking out of a penthouse in N.Y. it was all junk, but on TV it
looked real nice.. camerea..................
did you know that moisture hanging on a leaf i the forest can cause a
forest fire just like the magnifing lens that a kid can use to start a
fire(the water on the len flows to the shape of the lense and fills in
the scratches)... i would not believe that you can use it to restore
glasses..... reminds me of the other junk i bought advertised on TV in
the past....

In article ,
PhysicsGenius wrote:

Loren Coe wrote:
just wondering if anyone here has tried this stuff and if
you like it(?). they show a fairly non-typical scenario of
scratching a lense w/240 grit paper and then using the fluid.

i wonder how it would work on typical scratches and how long
it lasts. does it attract/repel dirt? thanks! --Loren

Try scratching a piece of dry glass and then wetting it with ordinary
water. The scratches seem to disappear. That's all the commercial is
showing.



Not exactly. Water would bead on a lens due to its surface tension. If
you added a surfactant( like soap) to break the surface tension, it
would leave a film.

What they're showing is a polymer that fills the scratches with a fluid
that hardens to a refractive index similar to polycarbonate lenses which
are what is predominantly used in todays glasses, not GLASS, unless you
buy that type of lens. Still, the polymer would work to a point. Nothing
is a perfect solution. In time it would probably have to be reapplied.

Chemistry folks.

--
Regards,
JP
"The measure of a man is what he will do while expecting
that he will get nothing in return!"

On Wed, 31 Dec 2003 07:19:46 GMT, Jim Polaski
brought forth from the murky depths:

What they're showing is a polymer that fills the scratches with a fluid
that hardens to a refractive index similar to polycarbonate lenses which
are what is predominantly used in todays glasses, not GLASS, unless you
buy that type of lens. Still, the polymer would work to a point. Nothing
is a perfect solution. In time it would probably have to be reapplied.

No, Lexan (polycarbonate) is 2x the cost of standard (hard resin)
plastic lenses so the high-index is the usual material, not Lexan.

I found that regular old Rain-X works well to fill small pits and
scratches in my windshield so I tried it on my safety goggles with
some success. It filled in some of the scuffing which improved vision
through them, but they were too old and abused to be used daily.
They're perfect for backups and bystanders, though.


Chemistry folks.

Economics, folks.



-
Yea, though I walk through the valley of Minwax, I shall stain no Cherry.
http://diversify.com

jim wrote:
... i once worked for a
local tv station... the guy in charge of making scenes for the station,
took some cheap pine 1/8 in plywood and made a news room set.. stained
... looked like high rise buildings that you would see
looking out of a penthouse in N.Y. it was all junk, but on TV it
looked real nice.. camerea..................


Reminds me of food photography.

Images of food that can make you hungry after Thanksgiving dinner.
Eating it would make you sick or kill you. Could chip a tooth on the
lacquer.





--

Mark

N.E. Ohio


Never argue with a fool, a bystander can't tell you apart. (S. Clemens,
A.K.A. Mark Twain)

When in doubt hit the throttle. It may not help but it sure ends the
suspense. (Gaz, r.moto)

On Wed, 31 Dec 2003 07:19:46 GMT, Jim Polaski
wrote:

What they're showing is a polymer that fills the scratches with a fluid
that hardens to a refractive index similar to polycarbonate lenses which
are what is predominantly used in todays glasses, not GLASS, unless you
buy that type of lens. Still, the polymer would work to a point. Nothing
is a perfect solution. In time it would probably have to be reapplied.

And anyone who gets a polycarb lens without the quartz coating is
wasting their money.

My quartz-filmed polycarb lenses are incredibly resistant to
scratching -- far more so than my old glass lenses were. The onlty
marks on the lenses I'm wearing now (after about 8 years of constant
use) are the nicks and pock-marks produced by chips that have flown
out of the lathe or from the grinder when I've been working.

Yes, I use these glases as safety glasses -- which is why I stick with
the incredibly unfashionable large frame and lenses that drive my wife
crazy. A do use a full-face shield when doing the really dangerous
stuff though.

--
you can contact me via http://aardvark.co.nz/contact/

On Wed, 31 Dec 2003 03:48:01 GMT, "Leo Lichtman"
wrote:



I don't know the product in question, but I do know that low-cost mobile
windshield repair is done by filling the cracks with a resin which has the
same index of refraction as the glass. If you could fill the scratches in a
lens with this same material, and get it exactly level with the glass, it
ought to work

But have you ever been screwed by this when having a windshield
replaced? Looks great for about two months, then you discover that you
got a coated salvaged windshield; a real rip off.
Gerry :-)}
London, Canada

This works nicely.

Take some glycerine soap... the kind you can see through. Rub the bar
on your clean lens... just make a letter "O". Polish it in with a
clean cotton cloth. Scratches gone... not forever, but certainly for
the day. Repeat the next morning.

S



Ernie Leimkuhler wrote in message ...
In article ePoIb.705584$Fm2.608145@attbi_s04, Loren Coe
wrote:

just wondering if anyone here has tried this stuff and if
you like it(?). they show a fairly non-typical scenario of
scratching a lense w/240 grit paper and then using the fluid.

i wonder how it would work on typical scratches and how long
it lasts. does it attract/repel dirt? thanks! --Loren



It is just a microcrystalline wax.
Regular johnson floor wax works.
I got one of the little pocket sized scratc removal applicators at the
optetrician I got my last pair of glasses from.

It does work, but it doesn't last that long.
Floor wax lasts a bit longer.

The liquid lens commercial is full of crap, look at the rim around the
lenses, its powder they put on there and then wipped it away with a
dab of water and cotton.