Operating Instructions—C-30B Camera
Table 2-2
Commonly-used Polaroid Film for the C-30B Camera
D e v e lo p m e n t
C R T R e c o rd in g Uses
A S A
T im e
T V T y p e
S c in tilla -
G rap h ics
F ilm
E q u iv a le n t
(Seconds
R e s o lu tio n
(G ra y
tio n T y p e
A lp h a -
Single
T y p e
Speed
a t 7 5 ° F )
F o r m a t
(L in e P a irs /m m )
C h a ra c te ris tic s
R e p e titiv e
S to re d
Scale)
M e d ic a l
N u m e ric
S w eep
PACK FILM S
3'A
x 4% in — Actual image size 7.3 cm x 9.5 cm
6 1 1a
200
45
Positive Print
20
Low Contrast, wide gray scale
X
665
75
30
Positive Print
Negative
20-25
160-180
Medium Contrast, wide gray scale
X
X
X
107
3.000
15
Positive Print
20
Medium Contrast
X
X
X
084b
3,000
15
Positive Print
20
Medium Contrast
X
X
X
X
667a,b
3,000
30
Positive Print
16
Medium Contrast
X
X
X
X
108a
75
60
Positive Print
15-17
Color—Balanced fo r 5500° K
X
X
668“
75
60
Positive Print
15-17
Color—Balanced fo r Electronic
Flash
X
X
RO LL Fl LMS
3% x 4% in — Actual image size 7.3 x 9.5 cm (46L and 146L are 6.2 x 8.3 cm)
42
200
15
Positive Print
25-28
Medium Contrast, wide gray scale
X.
X
X
42
3,000
15
Positive Print
20-22
Medium Contrast
X
X
X
410
10,000
15
Positive Print
20
High Contrast
X
46L
800
120
Positive Trans
35-40
Medium Contrast
X
X
X
146L
200c
100
Tungston
30
Positive Trans
40-50
High Contrast, Blue Sensitive
X
X
SHEET Fl LMS
4 x 5 in — Actual image size 8.9 x 11.4 cm
51
320c
115
Tungston
15
Positive Print
28-32
High Contrast, Blue Senstive
X
52
400
15
Positive Print
35-40
Medium Contrast, wide gray scale
X
X
X
55
55 P/N
50
20
Positive Print
Negative
22-25
160
Medium Contrast, wide gray scale
X
X
X
57
3,000
15
Positive Print
20
Medium Contrast
X
X
X
X
58“
75
60
Positive Print
15-17
Color—Balanced to 5500° K
X
X
aN o coating required.
^Preferred for oscilioscope photography.
cDaylight rating.
HELPFUL TECHNIQUES WITH FILM
Polaroid Film
|
c a u t i o n
J ^
Polaroid recommends that spray-on matte finishes
not be used as a method o f note making on seif
coating Polaroid film.
M AKING NOTES. Several types of spray-on matte
finishes are available which w ill enable you to make pencil
or pen notes directly on non-self-coating Polaroid prints
only. They can be obtained from any art or photographic
supply störe.
Another method of note marking on non-self-coating
Polaroid prints is to use an ink eraser to rub the emulsion
o ff the areas to be w ritten on. Pen or pencil can then be
used to write data on the print.
For self-coating Polaroid prints, rub the emulsion o ff the
areas to be w ritten on with a damp cloth, being careful that
the emulsion area removed is remote from the waveform
area.
Still another method is to scratch the desired data onto
the p rint with a sharp-pointed instrument. The data should
be scratched onto the print before it is coated. If the data is
to be scratched onto a self-coating Polaroid print, it must
be done w ithin 10 to 15 seconds after the print is separated
from the negative.
CONTRAST. For greater contrast on Polaroid prints, use
slightly longer development time. A decrease in develop
ment time, on the other hand, w ill normally increase
w riting rate; w ith, however, a consequent lowering of print
contrast. Shorter development time w ill sometimes bring
out waveform details not otherwise visible.
2-13
Summary of Contents for C-30B
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