LENS
TUBE
EXTENSION
OUTFIT
For
the
Cine-Kodak
Special
T
HIS outfit is useful for extremely close work,
to
obtain
lar
ge
images
of
sma
ll
objects.
It
eliminates the necessity for expensive lenses wi
th
special focusing threads.
Four threaded aluminum alloy tubes, u
se
d together or separately, provide the range of
field si
zes
shown in the following table:
Lens
I-inch f.1.9
2-inch
/.3.5
2Y2
-inch f.2.7
3-inch
/.4.5
4-inch f.2
.7
4
Y2-
inch f.4.5
Width
0/
Field in Inch
es
:
942
to
.047
1.880
to .108
2.34 to
.141
2.
820
to .162
3.75 to .216
4.240 to .243
5.600 to .324
AUXILIARY
LENSES:
Are for field sizes
larger
than
those
shown
in the table
at
the lefe. They can
be
fitted
to
any filter
mount;
the
U7
mount w
ith
the Cine-Kodak
Universal Filter Holder is the most
con-
venient combination.
6-inch
f.4.5
,
CINE-KODAK UNIVERSAL
FILTER
HOLDER
WITH
U1
FILTER
MOUNT
This combination simplifies the line of filter
mounts since
it
fits the 1-, 2-,
2Y2-,
3-, and
4Y2-
inch lenses. The
U7
mount
alone fits the 6-inch
lens and
15
mm. lens. A threaded tube
to
give
extra
hooding can be purchased
as
an accessory,
or the hood from a 6-inch lens can be used.
For most purposes the
U7·CK-3 Filter, made
of
colored optical glass, is sufficient. Wratten
Filters, gelatin cemented between
twO
pieces
of optical glass, such
as
the red A and the
green
X-I are available on special order.
Cine·Kodak Universal
Filte~
Holder, U7·CK·3
Filter and threaded shieldin9 tube.
EASTMAN KODAK
COMPANY,
Rochester,
New
York
82
..