
Position the lens on the tube, with the convex side on the tube.
Move the lens slowly until it is perfectly centered:
•
Line up the transition segment between near vision and far vision with the horizontal mark in the
center
•
Position the central focimeter dot on the vertical axis of the target.
F
AR
VISION
CENTERING
N
EAR
VISION
CENTERING
The lens is centered and ready to be blocked.
To block the lens, refer to the section Centering a lens > Blocking a lens
(
F
p.62)
.
6. C
ENTERING
A
MID
-
DISTANCE
LENS
Prerequisite: before carrying out lens centering, a shape must be displayed on the centering screen.
If necessary, we recommend that you first:
•
Modifying or retouching the traced shape
(
F
p.72)
•
Preparing the drilling points to be created (option)
(
F
p.82)
•
Place the stickers recommended by the manufacturer on hydrophobic lenses
(
F
p.62)
Concerning the use of the stickers, be careful to change the centering tube with a larger diameter one
to optimise the effectiveness of the sticker.
This section describes the procedures for centering a mid-distance lens:
•
Using re-marked micro-engravings
(
F
p.58)
•
Using manufacturer markings
(
F
p.60)
>
6
7
U
SER
M
ANUAL
> IV. C
ENTER
AND
BLOCK
A
LENS
57
Delta - Edging System > V1- 02-2020
Содержание DELTA
Страница 1: ...User Manual ...
Страница 6: ...I INTRODUCTION ...
Страница 8: ...II FIRST STEPS WITH DELTA ...
Страница 17: ...III CARRY OUT AN OPTICAL TRACING ...
Страница 35: ...IV CENTER AND BLOCK A LENS ...
Страница 68: ...V MODIFYING THE LENS SHAPE ...
Страница 78: ...VI PREPARING A DRILLED JOB ...
Страница 90: ...VII EDGING A LENS ...
Страница 122: ...VIII SET UP THE PRODUCT ...
Страница 142: ...IX MAINTENANCE AND SERVICING ...
Страница 173: ...X TECHNICAL DATA ...
Страница 178: ...XI GENERAL INFORMATION ...
Страница 183: ...GLOSSARY ...