MASTERBOBI: Spherical vs Aspheric vs Free Form

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Topic: Spherical vs Aspheric vs Free Form

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administrator
Admin Group

Joined: 01 October 2003
Posts: 6

Posted: 23 May 2008 at 14:38 \| IP Logged

wilson
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Newbie

Joined: 19 May 2008
Location: Hong Kong
Posts: 6

Posted: 23 May 2008 at 14:41 \| IP Logged

Nice picture many many thanks !

wilson
Newbie
Newbie

Joined: 19 May 2008
Location: Hong Kong
Posts: 6

Posted: 11 June 2008 at 09:02 \| IP Logged

Hi Bobbie,

about aspheric lens, is there any difference between front aspheric

(which is the most common one) and the back aspheric lens ?

Or all the semi-finished lens are called front aspheric ?

Or the back aspheric called free-form S/V ?

Bobie
Admin Group

Joined: 18 November 2006
Location: Thailand
Posts: 128

Posted: 21 July 2008 at 22:15 \| IP Logged

Hi Wilson,

The most of Semi-Finished Aspheric lenses and Finished Aspheric lense are front surface aspheric.
Free Form Aspheric can produce in back side or double sided.

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" Life is too short to limit your vision "
Somboon Chaowanakosol ( Bobi )
CEO
ISOPTIK : The Hi-End Eyeglasses Centre
ERAWAN BANGKOK
BKK , Thailand
isoptik@gmail.com
Tel.+66 81 538-4200

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