P-255
•
P-255
3
Adjustments for Long and Short Exposures
Compensate for the reciprocity characteristics of this film by
increasing exposure and adjusting the development as
shown.
If Indicated
Exposure
Time Is
(seconds)
Use This
Lens-
Aperture
Adjustment
OR
This
Adjusted
Exposure
Time
(seconds)
AND
Use This
Development
Adjustment
1/10,000 None
None
+30%
1/1,000 None
None
+20%
1/100 None
None None
1/10 None
None None
1 None
None –10%
10 +
1
⁄
2
stop
15
–10%
100 +1
1
⁄
2
stops
Adjust
aperture
None
DARKROOM RECOMMENDATIONS
Handle unprocessed film in total darkness. After
development is half completed, you can use a KODAK
3 Safelight Filter (dark green) in a suitable safelight lamp
with a 15-watt bulb. Keep the safelight at least
4 feet (1.2 metres) from the film.
For information on safelight testing, see KODAK
Publication K-4, How Safe Is Your Safelight?
Exposure- and Contrast-Index Values for Processing in the
KODAK VERSAMAT Film Processor, Model 11
Contrast
Index
KODAK
Developer
Development
Temperature
°F (°C)
Machine
Speed
(ft/min)
Developer
Racks
Exposure
Index
ISO/DIN
*
* Based on a 1/25-second daylight exposure
2.20
VERSAMAT 885
85 (29.4)
10
1
160/23°
1.40
VERSAMAT 641
85 (29.4)
10
1
125/22°
1.40
DURAFLO RT
80 (26.5)
10
2
160/23°
Changes in Speed and Contrast
Due to Long- and Short-Exposure Adjustments
F002_0195AC
1
1
1
0
3
2
3
1
3
2
3
1
C.I.
0.10
0.00
0.10
0.20
32
8
4
2
10
1
1
50
1
250
1
1000
1
5000
1
2
1
5
1
10
1
25
1
100
1
500
1
2500
10000
1
Camera
Stops
Time (seconds)
100
0.40
0.30
0.20
0.10
0.00
0.10
Exposure
Log
Tungsten or Daylight
KODAK HC-110 Developer (Dil D),
8 minutes at 68 F (20 C)
Exposure:
Process:
SPEED SHIFT
CONTRAST-INDEX SHIFT
