making a enlargement from your negative. making an enlargement part two: correct exposure: test...
TRANSCRIPT
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Making aEnlargement from
your negative
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Making an Enlargement
Part Two:
Correct Exposure:Test Strips & Final Print
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Darkroom Knowledge
This PowerPoint is under the assumption
that you have exposed and
developed Photographic Paper
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Darkroom Knowledge
You should have already completed part one: Enlarger Set Up
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Now for Part Two
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You need
50 minutes to do this activity!
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You
cannot start it one day… then finish it later
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Darkroom Setup
Paper DeveloperIndicator Stop Bath
FixerOrbit Bath
Wash
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Pre-DarkroomActivities
Cleaning Negatives…
ONLY with special negative cleaner
and cotton pads !
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Pre-DarkroomActivities
NEVER use paper towels to clean your negative… or rub it
on your shirt.
You will scratch the dickens out of your negative.
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Quickly Set Up your enlarger to make an enlargement of
your negative.
The size is up to you, but it must be
Portrait Orientation.
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Once you are sure of your set-up…..
Don’t move anything !
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Close down the f-stop to
2-clicks
The smaller the opening, the better the focus !
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Change Timer to the “T” Position
Lamp will turn off and
is now in “timer” mode.
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TimerIn the
“T”Position
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Set the Timer to
5 seconds
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Safe LightsOnly
From here on…
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Safe Lights Only !!!
Photo PaperCut to size
For the “test strip”, it does not need to be the full size
of the finished print….
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Safe Lights Only !!!
Photo Paper
But make it big enough that it will include important parts of your
photo… like the face !
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Safe Lights Only !!!
Photo Paper
You will place it with the EMULSION up on the easel.
(That means “shinny side” up)
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Tape Down Photo Paper
Emulsion Up(that means shinny side up)
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Close the frame on the
easel
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Test StripFirst
Exposure
Use your film envelope to block 4/5 of the
paper…. Only the top 1/5 will be exposed.
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PressTimer Button
Lamp will go on, then turn off after
Five Seconds.
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Test StripFirst
Exposure
5 seconds
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Test StripSecond
Exposure
Slide down the envelope so that 2/5 of the paper will be
exposed…..
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PressTimer Button
Lamp will go on, then turn off after
Five Seconds.
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Test StripSecond
Exposure
10 seconds5 seconds
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Test StripThird
Exposure
Slide the envelope down so that 3/5 of
the paper will be exposed….
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PressTimer Button
Lamp will go on, then turn off after
Five Seconds.
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Test StripThird
Exposure
15 seconds10 seconds5 seconds
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Test StripFourth
Exposure
Slide the envelope down so that 4/5 of the photo paper will
be exposed….
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PressTimer Button
Lamp will go on, then turn off after
Five Seconds.
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Test StripFourth
Exposure
20 seconds15 seconds10 seconds5 seconds
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Test StripFifth
Exposure
Remove the envelope so that the entire strip of photo paper will be
exposed…..
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PressTimer Button
Lamp will go on, then turn off after
Five Seconds.
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Test StripFifth
Exposure
25 seconds20 seconds15 seconds10 seconds5 seconds
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Begin the Development
Process
The exposure is done.We will now develop the photo paper using the same procedure as we did for the contact print and the PhotoGram !
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the Development Process
Developer 2 minutes (constant
agitation)
Stop Bath 20 seconds (constant
agitation)
Fixer 5 minutes
(2 min for test strip)
Orbit Bath 5 minutes
(1 min for test strip)
Wash 5 minutes
(1 min for test strip)
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Squeegee
Carefully squeegee off as much water as you can.
One or two passes is all it takes.Be very careful not to scratch
your print.
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Under normal lighting, look at your developed test strip…..
Which of the five exposures will you use?
Inspection
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If none of the five are usable, you will need to make another
test strip and adjust your exposure times !
Inspection
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Which One is Best ?
15 sec is not quite dark enough….
20 sec is too dark
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So you decide
on 18 seconds
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Show the Test Strip to the teacher.
Discuss with him the exposure time
you will use.
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You must get permission from the
teacher before you make the
final print…
Or you will have to redo this project.
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Set the Timer to your selected
exposure time
(In this example, we set the timer to 18 seconds ! )
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Put some new photo paper into the easel.
It now needs to be the full size of the finished
enlargement
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It now needs to be bigger than the
opening in the easel so that you will have a nice white border on all four sides of the enlargement.
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Expose the paper for the time selected from your test
strip….
Then develop as normal.
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Your Final PrintShould be in Sharp FocusHave full tonal rangeBe free of scratches /dustHave a 1/4” white border
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Show your Final Print
To the teacher along with the test strip you made earlier this class period.
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Don’t forget to take your Negative !
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That’s it !
If you follow directions, you will be quite successful.
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One more thing…….
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Why can’t I make my test strip on Monday….
Then make my final print on Tuesday ?
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The enlargers are all different !
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Even if the enlargers look
alike…. The light bulbs are
different ages and usage
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The electricity is different every day !
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Other people are using that enlarger,
so your magnification will not be consistent.
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The chemicals are different
strengths everyday.
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The temperature is different everyday.
The warmer it is, the faster the
development process
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So…. The test strip must be made the same day & class period as the final
print !
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May all of your visits to the darkroom be pleasant and memorable.