Could you: Put a layer of oil on the back of the blank and place a thin plano blank above this and then check the distance and add?
Chip
Could you: Put a layer of oil on the back of the blank and place a thin plano blank above this and then check the distance and add?
Chip
You mean Opeque surfaces can be cheked on a Lensometer ?Originally posted by rbaker
We used to check opaque (fined surfaces) powers in the lensometer by first wetting them with water or if it dries too rapidly kerosene. It the inside surface is just a molded or cast surface, lots of luck.
I doubt it verymuch, but would just try your way ..![]()
What's a Plano Blank ? Chek the distance of what ? From where?Originally posted by chip anderson
Could you: Put a layer of oil on the back of the blank and place a thin plano blank above this and then check the distance and add?
Chip
Do you mean Distance Power or distance between the two blanks ?
I am going try putting some oils .. and will let you know shortly.
From the Greek:
krypte = hidden
Tok = Eye
The first "Invisible" multifocal - sort of - relative to an Exec
Hi Richard!Richard Mancusi said:
From the Greek:
krypte = hidden
Tok = Eye
The first "Invisible" multifocal - sort of - relative to an Exec
As I remember, this was my first Posting. You have contributed as your first Post by replying a very interesting xplaination.
Welcome to the board ! :cheers: :cheers:
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