Auto lens meter operation manual
21
(4)ADD of three visions lens
The way to measure far vision part of three vision lens and double vision
lens are the same. ADD should be measured twice.
a. To move the lens toward yourself till the center of near vision part
on the lens base. Then to press Mode, there will be AD1 showed on the screen.
When the notice showed under the drone as “close to the center”(there
is no need to focus the center perfectly), to press the Memory , then the
measured data of the center of near vision part will be confirmed. Then
continue the measurement.
b. To move the near vision part to the lens base, then press Mode, there
will be AD2 showed on the screen. When the notice showed under the drone
as “close to the center”(there is no need to focus the center perfectly),
to press the Memory , then the measured data of near vision part will be
confirmed.
Figure
4.10 measured data of three vision lens
Summary of Contents for VIEWLIGHT DLR-700
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