Film Data Sheet
T-64
Tungsten Pack Film
Description
Special tungsten (3200°K) balanced film for rich, saturated color
prints, in 31/4 x 41/4 pack format. Color-balanced for tungsten
lighting, rich and saturated colors, excellent image sharpness
and clarity, designed for long exposures (ideal @ 1/2 to 30
seconds).
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Key Applications
• Professional photography (proofing for tungsten studios)
• Copystand photography
• Microscopy
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• Scientific imaging
Compatible Hardware
• MP-4+ camera
Film Speed
ISO 64/DIN 19
• Any camera or instrument (especially microscopes) equipped
with a Model 405 film holder
Format
31/4 x 41/4 in. (8.5 x 10.8 cm)
Pack Film
Special Treatment
None
Image Area
27/8 x 33/4 in. (7.3 x 9.5 cm)
Finish
Glossy
Exposures per Unit
10 exposures per pack
Development Time
90 seconds at 70°F
Caution
This film uses a small amount of caustic paste. If any paste appears, avoid contact with skin, eyes and mouth
and keep away from children and animals. If you get some paste on your skin, wipe it off immediately, then
wash with water to avoid an alkali burn. If eye contact occurs, quickly wash the area with plenty of water and
see a doctor. Keep discarded materials away from children, animals, clothing and furniture.
Limited Warranty
See information on the film box.
“Polaroid” and “Polacolor” are trademarks of Polaroid Corporation, Waltham, MA 02145 USA.
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Film Data Sheet
Technical Data
T-64 Tungsten
Instant Color Peel-Apart Films
Reciprocity law failure
A wide range of shutter speeds can be used without loss of film speed.
For longer exposure times, some exposure compensation is suggested.
Spectral Sensitivity
Reciprocity Law Failure
Blue
Blue
Green
Red
1000
100
Green
Red
1.8
1.6
1.4
1.2
1.0
.8
10
.6
.4
.2
RlativLgExposure
prcalSensvity
0
1
0
.0001"
.001"
.01"
.1"
1"
10"
100"
Exposure Time (seconds)
350
400
450
500
550
600
650
700
Wavelength (nm)
Shutter
Speed
1/4000 to
1/30
1/15 to 4
+2/3 stop
None
8
16
32
64
Reciprocity: The ability of the film to respond in a constant
manner to a constant exposure (light intensity x time).
Reciprocity failure occurs during very long or very short
exposures, requiring the photographer to increase exposure.
Spectral Sensitivity: Shows the equivalent energy needed
at each wavelength in order to activate the emulsion so that it
produces a neutral density of .75.
Exposure
Adjustment
Not
None
None
+1/3 stop +1/3 stop +1/3 stop
recommended
Color
Compensating
Filter
-
None
CC05B
CC05B
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