Kodak V2CS User Manual

V2CS

August, 2004

KODAK

VISION2

ColorNegative

Control Strips

Process ECN-2

Technical Data and

Crossover

Information

©Eastman Kodak Company, 2004

KODAK VISION2 Color Negative Control Strips

Introduction

Important Improvements

KODAK VISION2 Color Negative Control Strips (Figure 1)

are intended for the control of Process ECN-2 using the

procedures described in KODAK Publication No. H-24,

Manual for Processing KODAK Motion Picture Films,

Module 1, Process Control.

The first batch of KODAK VISION2 Color Negative

Control Strips is code 5011 for 35 mm, CAT 152 0469 and

code 5012 for 16 mm, CAT 152 0444.

KODAK VISION2 Color Negative Control Strips

incorporate several important improvements into the control

strips for Process ECN-2.

• A VISION2 emulsion is being used for process control.

The new format is exposed on KODAK VISION2 200T

Color Negative Film 5217, while the former ECN control

strip was exposed on KODAK VISION 200T Color

Negative Film 5274.

KODAK VISION2 Color Negative Control Strips,

Process ECN-2, are packaged in 100-foot rolls containing at

least 120 exposures and a processed reference strip. The

exposures on the roll are spaced at 9.5-inch intervals. Each

exposure has 21 gray-scale steps at 0.20 log H increments

(2/3 camera stop).

Figure 1 Processed Control Strip - 35mm

ECN-2

9071

Steps

The reference strip accompanying each roll was exposed

along with all other control strips; it was then processed

under specified well-controlled conditions. An instruction

sheet enclosed with the package contains process deviation

(correction) factors, if they are required, to determine your

laboratory process aim numbers. A four-digit code number

appearing on the carton, can, control strips, reference strips,

and instruction sheet, identifies each production batch of

strips.

D-min

F009_0146CC

KODAK VISION2 Color Negative Control Strips, Technical Data and Crossover Information

Control Strip Log Exposure Range

The graphs in Figure 2 and Figure 3 demonstrate the

differences between the former ECN control strip exposed

on KODAK VISION 200T Color Negative Film 5274, and

the new format exposed on KODAK VISION2 200T Color

Negative Film 5217.

Physically, the center-to-center step distance has been

maintained on the new control strips; no problems should be

encountered with existing automatic densitometers.

Once the transition to the new control strips is complete,

and the new control step reference values have been

determined, continue to use KODAK VISION2 Color

Negative Control Strips in the same manner as your previous

control strips.

Please contact your Kodak representative for additional

information on monitoring your process with control strips.

KODAK VISION2 Color Negative Control Strips, Technical Data and Crossover Information

Figure 2 ECN-2 Control Strip Exposed on KODAK VISION 200T Color Negative Film 5274

3.0

Exposure:1/50 sec

Process:

ECN-2

Densitometry:

Status M

2.0

1.0

0.0

-4.0

-3.0

-2.0

-1.0

0.0

1.0

2.0

LOG EXPOSURE (lux-seconds)

KODAK VISION2 Color Negative Control Strips, Technical Data and Crossover Information

Figure 3 ECN-2 Control Strip Exposed on KODAK VISION2 200T Color Negative Film 5217

3.0

Exposure:1/50 sec

Process: ECN-2

Densitometry: Status M

2.0

1.0

0.0

-4.0

-3.0

-2.0

-1.0

0.0

1.0

2.0

LOG EXPOSURE (lux-seconds)

KODAK VISION2 Color Negative Control Strips, Technical Data and Crossover Information

Effects of Mechanical and Chemical

Variations

Figures 4 through 13 illustrate some of the major

photographic effects of mechanical and chemical variations

on KODAK VISION2 Color Negative Control Strips

exposed on 5217 Film compared to the former VISION

Control Strips exposed on 5274 Film. Each plot shows the

effect of a change in a process variable (horizontal axis), on

the dye density of the processed film (vertical axis). These

density plots are deviated against the standard level for each

variable (e.g. standard level for the variable is represented by

zero density).

The magnitude of the changes shown in these plots should

not be considered to be process control limits. Also, the data

presented are qualitative, not quantitative. The plots were

derived from experiments using small laboratory machines

in which all constituents were held constant except the

variable being studied. Hence, the figures should be used

only as trend charts and guides. If two or more process

variable are changed, the resulting photographic effect

illustrated may not be additive. Interactions can occur that

produce effects other than those predicted by addition. The

plots in this publication are representative only; they do not

contain all possible solution problems. Most of the important

photographic effects take place in the developer.

KODAK VISION2 Color Negative Control Strips, Technical Data and Crossover Information

Developer Mechanical Factors

Figure 4 Effects of Time and Temperature Variations

—VISION2 Control Strips versus VISION Control Strips in Process ECN-2 Developer

Time

Temperature

5217

5274

5217

5274

AIM

VALUES

.25

.20

REFERENCE

STRIP

CODE NO.

0000

.15

.10

.05

RED

GREEN

BLUE

.05

B/W

.10

.15

G B

.20

.25

.20

.15

.10

RED

GREEN

BLUE

.05

.10

.15

.20

B/W

.10

RED

GREEN

BLUE

.05

B/W

.10

D-min

RED

GREEN

BLUE

.05

.10

B/W

HD-LD

G R

RED

GREEN

BLUE

.05

.10

B R

B/W

sec

V2CSQ_V2CSP_2

KODAK VISION2 Color Negative Control Strips, Technical Data and Crossover Information

Developer Chemical Factors

Figure 5 Effects of pH and CD-3 Variations

—VISION2 Control Strips versus VISION Control Strips in Process ECN-2 Developer

CD-3

5217

5274

5217

5274

AIM

VALUES

.25

.20

REFERENCE

STRIP

CODE NO.

0000

.15

.10

.05

RED

GREEN

BLUE

.05

B/W

.10

.15

.20

.25

.20

.15

.10

RED

GREEN

BLUE

.05

.10

.15

.20

B/W

.10

RED

GREEN

BLUE

.05

B/W

.10

D-min

RED

GREEN

BLUE

.05

.10

B/W

HD-LD

RED

GREEN

BLUE

.05

.10

B G

B/W

g/L

V2CSN_V2CSD_2

KODAK VISION2 Color Negative Control Strips, Technical Data and Crossover Information

Developer Chemical Factors

Figure 6 Effects of NaBr and AF-2000 Variations

—VISION2 Control Strips versus VISION Control Strips in Process ECN-2 Developer

NaBr

AF-2000

5217

5274

5217

5274

AIM

VALUES

.25

.20

REFERENCE

STRIP

CODE NO.

0000

.15

.10

.05

RED

GREEN

BLUE

.05

B/W

.10

.15

.20

.25

.20

.15

.10

RED

GREEN

BLUE

.05

.10

.15

.20

B/W

.10

RED

GREEN

BLUE

.05

B/W

.10

D-Min

RED

GREEN

BLUE

.05

B/W

.10

HD-LD

RED

GREEN

BLUE

.05

.10

B/W

g/L

ml/L

V2CSK_V2CSA_2

KODAK VISION2 Color Negative Control Strips, Technical Data and Crossover Information

Developer Chemical Factors

Figure 7 Effects of Na SO and Under and Over Replenishment Variations

—VISION2 Control Strips versus VISION Control Strips in Process ECN-2 Developer

Under and Over

Replenishment

Na SO

5217

5274

5217

5274

AIM

VALUES

.25

.20

REFERENCE

STRIP

CODE NO.

0000

.15

.10

.05

RED

GREEN

BLUE

.05

B/W

.10

.15

.20

.25

.20

.15

.10

RED

GREEN

BLUE

.05

.10

.15

.20

B/W

.10

RED

GREEN

BLUE

.05

B/W

.10

D-min

RED

GREEN

BLUE

.05

.10

B/W

HD-LD

RED

GREEN

BLUE

.05

.10

B/W

g/L

V2CSL_V2CSR_2

KODAK VISION2 Color Negative Control Strips, Technical Data and Crossover Information

Developer Chemical Factors

Figure 8 Effects of PB-C1 and PB-2 Prebath Contamination

—VISION2 Control Strips versus VISION Control Strips in Process ECN-2 Developer

Prebath

PB-C1

PB-2

5217

5274

5217

5274

AIM

VALUES

.25

.20

REFERENCE

STRIP

CODE NO.

0000

.15

.10

.05

RED

GREEN

BLUE

.05

B/W

.10

.15

.20

.25

.20

.15

.10

RED

GREEN

BLUE

.05

.10

.15

.20

B/W

.10

RED

GREEN

BLUE

.05

B/W

.10

D-Min

RED

GREEN

BLUE

.05

G R

B G R

.05

B/W

.10

HD-LD

RED

GREEN

BLUE

.05

.10

G B

B G

B/W

V2CSB_V2CSM_2

mL/L

KODAK VISION2 Color Negative Control Strips, Technical Data and Crossover Information

Developer Chemical Factors

Figure 9 Effects of CD-2 for CD-3 and Stop Bath Contamination

—VISION2 Control Strips versus VISION Control Strips in Process ECN-2 Developer

Substitute CD-2 for CD-3

Stop Bath

5217

5274

5217

5274

AIM

VALUES

.25

.20

B G

REFERENCE

STRIP

CODE NO.

0000

.15

.10

.05

RED

GREEN

BLUE

.05

B/W

.10

.15

.20

.25

.20

.15

.10

B G

RED

GREEN

BLUE

.05

.10

.15

.20

B/W

G B

.10

G B

B G

RED

GREEN

BLUE

.05

B/W

.10

D-min

RED

GREEN

BLUE

.05

B/W

.10

HD-LD

B G

RED

GREEN

BLUE

.05

.10

B/W

g/L

mL/L

V2CSC_V2CSO_2

KODAK VISION2 Color Negative Control Strips, Technical Data and Crossover Information

Developer Chemical Factors

Figure 10 Effects of Bleach Contamination

—VISION2 Control Strips versus VISION Control Strips in Process ECN-2 Developer

UL Bleach

5217

5274

AIM

VALUES

.25

.20

REFERENCE

STRIP

CODE NO.

0000

.15

.10

.05

RED

GREEN

BLUE

.05

B/W

.10

.15

.20

.25

.20

.15

.10

RED

GREEN

BLUE

.05

.10

.15

.20

B/W

.10

RED

GREEN

BLUE

.05

B/W

.10

D-Min

RED

GREEN

BLUE

.05

.10

B/W

HD-LD

RED

GREEN

BLUE

.05

.10

B/W

V2CSU_2

mL/L

KODAK VISION2 Color Negative Control Strips, Technical Data and Crossover Information

Developer Chemical Factors

Figure 11 Effects of F-34a Fixer and Final Rinse Contamination

—VISION2 Control Strips versus VISION Control Strips in Process ECN-2 Developer

F-34a Fixer

Final Rinse

5217

5274

5217

5274

AIM

VALUES

.25

.20

REFERENCE

STRIP

CODE NO.

0000

.15

.10

.05

RED

GREEN

BLUE

.05

B/W

.10

.15

.20

.25

.20

.15

.10

RED

GREEN

BLUE

.05

.10

.15

.20

G B

B/W

.10

RED

GREEN

BLUE

.05

B/W

.10

D-min

RED

GREEN

BLUE

.05

G B

B G

.05

B/W

.10

HD-LD

RED

GREEN

BLUE

.05

.10

B/W

mL/L

V2CSF_V2CSE_2

KODAK VISION2 Color Negative Control Strips, Technical Data and Crossover Information

Developer Chemical Factors

Figure 12 Effects of KI Contamination and Water Dilution

—VISION2 Control Strips versus VISION Control Strips in Process ECN-2 Developer

Water Dilution

5217

5274

5217

5274

AIM

VALUES

.25

.20

REFERENCE

STRIP

CODE NO.

0000

.15

.10

.05

RED

GREEN

BLUE

.05

B/W

.10

.15

.20

.25

.20

.15

.10

RED

GREEN

BLUE

.05

.10

.15

.20

B/W

.10

RED

GREEN

BLUE

.05

G R

.05

B/W

.10

D-min

RED

GREEN

BLUE

.05

B/W

.10

HD-LD

RED

GREEN

BLUE

.05

.10

G R

B/W

mg/L

mL/L

V2CSH_V2CSG_2

KODAK VISION2 Color Negative Control Strips, Technical Data and Crossover Information

Developer Chemical Factors

Figure 13 Effects of Bacterial Na S and Na CO Contamination

—VISION2 Control Strips versus VISION Control Strips in Process ECN-2 Developer

Bacterial Na S

Na CO

5217

5274

5217

5274

AIM

VALUES

.25

.20

REFERENCE

STRIP

CODE NO.

0000

.15

.10

.05

RED

GREEN

BLUE

.05

B/W

.10

.15

.20

.25

.20

.15

.10

RED

GREEN

BLUE

.05

.10

.15

.20

B/W

.10

RED

GREEN

BLUE

.05

B/W

.10

D-min

RED

GREEN

BLUE

.05

.10

B/W

HD-LD

RED

GREEN

BLUE

.05

.10

B/W

g/L

mg/L

V2CSJ_V2CSI_2

KODAK VISION2 Color Negative Control Strips, Technical Data and Crossover Information

Use the following crossover procedure each time a new

code number is put into service:

Control-Strip Crossover

Important: During the inventory crossover from the old

VISION Control Strips to the new VISION2 Control Strips,

every effort should be taken in your operations to avoid

switching back and forth. Your process control will be

greatly simplified by depleting your supply of the VISION

Control Strips (except for what is needed for crossover

purposes) prior to utilizing the VISION2 Control Strips.

There will come a time when you will need to begin using

a new batch of control strips. A new batch means a new code

number, not a fresh box of strips with the same code number.

Please be aware no two batches of control strips are

identical because of slight differences in product, exposures,

process, etc. And therefore, the aim value numbers will not

match (however, on rare occasions they could), even with

the application of the deviation factors.

When you first started using control strips, you had no

previous reference and you set up your aim value parameters

by reading the densities of the specified (D-min, LD, MD,

HD, or D-max) control reference steps and applying the

deviation numbers supplied with that batch. Using a new

batch of strips is really no different, except you will have a

new set of aim numbers,

• Determine the aim values for the new batch, the same as

you did for the current or old batch by reading the

specified steps (D-min, LD, MD, and HD or D-max) of the

reference strip and applying the correction factors. If there

is more than one roll of the same batch, average the

corresponding step densities for all reference strips in the

batch, then apply the correction factors.

• Process an old and new control strip simultaneously at

least three separate times. Do this at different times of the

day, and better yet, on different days, until you have a

number of pairs. During this time, continue to control the

process with data from the old strips.

• Post the new aim values on the same form as the old,

leaving an appropriate space between the two aim sets (as

illustrated in Figure 14). This way you can see the

differences of each control strip reaction at a glance. You

will observe the tracking of the “old” batch as compared

to the “new” batch, with each plotted to its individual set

of aim numbers. Both should be tracking in similar

directions, but not exactly. However, they still should be

within the same action and control limits. Please

remember, no matter how the aim densities differ in

numerical value, you still use each set as your zero (0)

reference line.

As the time approaches to change to a new batch (code),

you will want to make a “crossover” from the current, or old

batch. Crossover simply means to adapt to a change in aim

numbers, not a change in processing technique. You should

begin the crossover with at least a week’s supply of strips

still available (never wait until you run out).

• Once you are comfortable with the new batch of control

strips, use a new H-24F or Y-55 form to separate and not

confuse the old and new aim numbers while making the

daily notations.

• If, for some reason, there is a need to adjust the process to

conform to the new batch of control strips to new action

and control limits, cease processing and evaluate the

entire system. Such a need for change indicates a

fundamental system difficulty, which most likely involves

all aspects of the process, not necessarily a problem with

the new batch of control strips. If difficulty continues,

contact your Kodak technical representative.

The crossover to a new batch lets you get a “feel” for the

new set of aim numbers. Do not attempt to match the new

aim numbers to the old ones. If you do, you probably will

find it necessary to change the mechanical and/or chemical

specifications of the process, and this will most likely lead to

a non-conforming unacceptable process. You will notice

some differences in the way the new batch trends as

compared to the previous batch. this is a normal batch-to-

batch variation, and is to be expected. If you are unable to

maintain a plot within your action limits with the new

control-strip batch, call your Kodak representative to assist

you.

KODAK VISION2 Color Negative Control Strips, Technical Data and Crossover Information

Figure 14 Control-Strip Crossover for Process ECN-2

EASTMAN Process Record Form (H-24F)

CONTROL NUMBER

C U R R E N T

N E W

.25

AIM

Control Strip Crossover Process ECN-2

.20

.15

.10

VALUES

R-1.19

G-1.69

B-1.98

.05

1.39

RED

Code 8051

1.88

GREEN

BLUE

.05

2.24

.10

.15

B/W

.20

.25

.20

.15

.10

R-0.85

G-0.97

B-0.93

1.00

1.49

1.99

RED

GREEN

BLUE

.05

.10

.15

.20

B/W

CB action = 0.06

CB control = 0.08

.10

R-0.33

G-0.72

B-1.05

0.34

0.75

1.32

RED

GREEN

BLUE

.05

B/W

.10

D-Min

0.11

R-0.15

G-0.54

B-0.95

RED

GREEN

BLUE

.05

0.54

0.95

.05

.10

B/W

CB action = 0.07

CB control = 0.09

HD-LD

R-0.86

G-0.97

B-0.93

1.05

RED

GREEN

BLUE

.05

1.13

0.92

.05

.10

B/W

12 12

10 11

DATES

10 10 11 11 11 12 12 12

1pm 4pm 4am

1pm

4pm 8am

1pm 4pm

1pm

ECN-2

# 1

PROCESS

MACHINE

EASTMAN KODAK COMPANY ROCHESTER, NY 14650

7121

Reference Strip Code No.

KODAK Publication No. H-24F

Kodak and Eastman are trademarks.

Printed in U.S.A.

F009_0143EC

KODAK VISION2 Color Negative Control Strips, Technical Data and Crossover Information

KODAK VISION2 Color Negative Control Strips

MORE INFORMATION

Outside the United States and Canada, please contact your

Kodak representative.

You can also visit our web site at www.kodak.com/go/

motion for further information. You may want to bookmark

our location so you can find us easily the next time.

Kodak, VISION, and VISION2 are trademarks.

KODAK VISION2 Color Negative

Control Strips

KODAK Publication No. V2CS

Revised 5-05

Printed in U.S.A.

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