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Re: [OM] [OT] I need new glasses - please - what is the best lensmateria

Subject: Re: [OM] [OT] I need new glasses - please - what is the best lensmaterial these days?
From: Charles Geilfuss <charles.geilfuss@xxxxxxxxx>
Date: Wed, 5 May 2010 09:00:00 -0400
Well John I can't sing so that look just won't work for me.

Charlie

On Tue, May 4, 2010 at 10:35 PM, John Hudson <OM4T@xxxxxxxxxxx> wrote:

> Charles ........... what's not to like about Buddy Holly style black frame
> glasses ?
>
> According to the eye shop I use these are coming back into vogue !
>
> jh
>
>
>
> ----- Original Message -----
> From: "Charles Geilfuss" <charles.geilfuss@xxxxxxxxx>
> To: "Olympus Camera Discussion" <olympus@xxxxxxxxxxxxxxxxx>
> Sent: Tuesday, May 04, 2010 12:32 PM
> Subject: Re: [OM] [OT] I need new glasses - please - what is the best
> lensmaterial these days?
>
>
> > Ian,
> >   As a wearer of eyeglasses since the age of 11 years, I'm a big fan of
> > polycarbonate lenses and would never return to glass. Some of this may
> > depend on the strength of your prescription and the style of glasses.
> Mine
> > are -6 diopters so it requires a pretty hefty lens. Glass has a bit
> higher
> > refractive index than plastic but is much heavier. The style these days
> in
> > the US is for a smaller diameter lens so it keeps down the edge
> thickness.
> > Hopefully we never go back to the 70's look in eye wear (picture Atom
> Ant,
> > the cartoon character not the rocker). I have found the scratch resistant
> > coating to be very effective; I can't remember the last time I got a
> > scratch. Just be sure to stay away from cleaners with ammonia, it will
> > take
> > it right off.
> >
> > Charlie
> >
> > On Tue, May 4, 2010 at 5:58 AM, SwissPace <ian@xxxxxxxxxxxxxxxx> wrote:
> >
> >> I need new eye glasses, I bought some plastic ones about five years sago
> >> but was very dissapointed with the coatings which scratched relatively
> >> eassily so reverted back to my glass photochromic lenses.
> >>
> >> With 5 boys and an active life I need tough ones, This time I was
> >> thinking of getting rimless ones and asked about tough lenses. the
> >> assistant quoted polycarbonate with photochromic capabilities, however
> >> on reading on wikepedia I see that polycarbonate does not have the best
> >> optical characteristics and  also has a tendency for chromatic
> >> abberation, I don't know if this is a problem in general use. I seem to
> >> recall Zeiss announcing some lens material as scratch resistant as glass
> >> but haven't seen any reviews
> >>
> >> Has anyone recently studied this recently and have some recommendations
> >> ?   Thanks in advance
> >>
> >> IanW
> >>
> >> >
> >> >
> >>
> >> --
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> >>
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