Adjustment Lenses - Canon AE-1 Instructions Manual

Dioptric Adjustment Lenses
Dioptric adjustment lenses can be
attached by inserting them from above into
the grooves in the viewfinder eyepiece t o
compensate for the individual eyesight. With
them, near-sighted or far-sighted persons can
perform photography without glasses.
The built-in eve~iece lens of the
AE-1
has
. .
-1
diopter. The follow~ng 10 kinds of
dioptric adjustment lenses arc optional ac-
cessories:
+3, t2, t1.5,
-1, t0.5, 0, -0.5.
-2, -3
and 4 (diopters).
One way of selecting the correct dioptric
Accessor~es such as an eyecup, d ~ o p t r ~ c
adjustment lens for you is t o select the one
I
adjustment lenses, angle finders, and mag.
that i s t h e clo=st t o your gla=e~ i n regard t o
nifier can be attached to the viewfinder
number of diopters. But. we propose that.
eyepiece.
when you select the most appropriate dioptric
adjustment lens, you actually look into the
viewfinder through it after placing it over the
eyepiece.
Because the camera itself has
-1
diopter,
the d~opters of the lenses are recorded as the
real power when attached t o the camera, thus
1
reflecting the power of the camera's
I
viewfinder.