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Manual abstract: user guide POLAROID T-679 FILM DATA SHEET
Detailed instructions for use are in the User's Guide.
[. . . ] Film Data Sheet T-679 Instant Pack Film
Description
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Medium-speed, medium-contrast, medium-grain, daylight and electronic flash balanced (5500°K) color print film. This film features accurate colors and bright whites; sharp, vibrant, saturated proofs and final art; lower contrast for greater detail when compared to Polaroid Pro 100 film; improved reciprocity characteristics, and fast clearing and drying.
Film Speed
ISO 100/DIN 21
Key Applications
· Professional photography (proofing or final art) · Passport/document photography · Scientific/industrial photography
Compatible Hardware
· Cameras or instruments with CB-103 Back or OEM CB-100 Back (these holders are supplied by medium format camera manufacturers such as Mamiya, Hasselblad and Konica) · Polaroid Model 405 Film Holder
Special Instructions
Force-drying prints: Allow the print to air-dry for at least thirty (30) seconds before using a forced-hot-air dryer. [. . . ] 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 02451 USA. All other product names may be the property of their respective owners.
Film Data Sheet Technical Data
T-579, T-679, & T-879 Instant Color Peel-Apart Films
The information in this data sheet represents the typical performance of Polaroid's T-679, T-579 and T-879 color films. Specific film lots may vary.
Characteristic H&D curves for normal development
3 H&D Curves @ 70oF/21oC Blue Green
Recommended speed: ISO/DIN 100/21o
2 Sample Density
Red
Recommended processing time and temperature: 90 seconds at 70o -95o F (21o-35oC) Balance: Daylight and electronic flash (5500oK) Contrast: Medium
1
0 -3 -2 Relative Log Exposure -1 0
D-Max: The density value for the film's darkest black. D-Min: The lowest density value that a film exhibits. In prints, the whiteness of the brightest highlight, relative to the unprocessed print. Slope: The positive ratio of the log E increments of the straight line region of the curve, as determined by the 1/4-3/4 increment method. The slope of an H&D curve indicates the overall contrast of a film: low contrast slopes less than 1. 10; medium contrast slopes from 1. 10 to 1. 70; high contrast slopes greater than 1. 70.
At 71o F/21o C:
D-Max = 1. 8
D-Min = . 16
Slope = 1. 30
Characteristic H&D curves for cold development
3 H&D Curves @ 55oF/18oC Blue Green Red Sample Density 2
Sample Density 2 3
Characteristic H&D curves for hot development
H&D Curves @ 95oF/35oC Blue Green Red
1
1
0 -3 -2 -1 Relative Log Exposure 0
0 -3 -2 -1 Relative Log Exposure 0
Film Data Sheet Technical Data
T-579, T-679, & T-879 Instant Color Peel-Apart Films
Spectral Sensitivity
40
Blue Green
Reciprocity Law Failure
Blue
2
Green Red
30 35
Relative Log Exposure
Red
Spectral Sensitivity
10 15 20 25
5
0
0 . 0001"
0. 4
0. 8
1. 2
1. 6
350
400
450
500
550
600
650
. 001"
. 01"
. 1"
1
10"
1
Wavelength (nm)
Exposure Time (seconds)
Action Sensitivity
1. 5
Blue Green Red
Reciprocity: The ability of the film to respond in a constant manner to a constant exposure (light intensity x time ). [. . . ] The recommended filters require the following exposure changes: cc 5m - none, cc 10m + 1/3, and cc 20m + 2/3.
Filter Recommendations
Color Temp ( K)
2800oK
o
Exposure
1/8 sec 1 sec. 15 sec.
Filtration
80A + 5M 80A + 20M 80A + 30M 80A + 40M 80A 80A + 10M 80A + 20M 80A + 30M
Effective ISO (approx. )
32 25 20 16 32 25 20 16
3200 K
o
1/8 sec. [. . . ]
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