Nikon S-kt - Page 11

(9)
lllumination for Very Low
Magnifications
As shown
in Fig.
14,
use a low
power
condenser
lens. Lower
the stage
to
secure
a sharply
focused
image in a uniformly
il I
um
inated viewf ield.
In
photomicrography,
for
unlformly
bright illumination
wlth very low magnifi-
cations,
it is necessary to move the bulb
back and
forth.
(10)
Replacing the
Bulb
First,
reverse
the attaching
procedure
to
remove the socket, and
then, when the
lamp bulb
is cool, turn it in the direction
opposite
to the arrow
mark on the
socket.
Insert the
new
bulb
(6V
15W), as
shown
in Fig. 15,
fitting
the
notch on the
brim
of
the bulb
to the white circle
found
on the
foot of the arrow, and
rotate the
lamp
socket
in the direction
of the arrow
to instal
|.
/
Low
power
condenser ens
J\
Fig.
14
Fis.
15
12