Werbung
•
With
longer
telephoto
lenses
and other lenses having
sma
ll
maximum apertures (i.e
f/5.6 or sma
ll
er), the
sp lit-image
center
spot and microprism may
cause
diffi-
cu
lty
in
fo
cus
ing because
the image
w
ill
be too dark
in
the
center spot.
In these instan
ces,
best
resu lts
are ob
-
tained
by
fo cusing
w
ith
the matte
fie ld.
Eyesight Adjustment Lenses
Specia
l
eyes ight adjustment lenses with a diopter range
f rom
-5
to +3
are
avai lab
le
for persons requiring
eye-
sight
co
rre
ct
ion
.
If
you are an
eyeg lass wearer
and find
focusing difficult, ask your dealer about these special
lenses.
28
Werbung
