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Published byAmberlynn O’Neal’ Modified over 9 years ago
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Making a Enlargement 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 Developer Indicator Stop Bath Fixer Orbit Bath Wash
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Pre-Darkroom Activities Cleaning Negatives… ONLY with special negative cleaner and cotton pads !
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Pre-Darkroom Activities 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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Timer In the “T” Position
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Set the Timer to 5 seconds
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Safe Lights Only From here on…
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Safe Lights Only !!! Photo Paper Cut 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 Strip First Exposure Use your film envelope to block 4/5 of the paper…. Only the top 1/5 will be exposed.
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Press Timer Button Lamp will go on, then turn off after Five Seconds.
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Test Strip First Exposure 5 seconds
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Test Strip Second Exposure Slide down the envelope so that 2/5 of the paper will be exposed…..
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Press Timer Button Lamp will go on, then turn off after Five Seconds.
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Test Strip Second Exposure 10 seconds 5 seconds
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Test Strip Third Exposure Slide the envelope down so that 3/5 of the paper will be exposed….
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Press Timer Button Lamp will go on, then turn off after Five Seconds.
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Test Strip Third Exposure 15 seconds 10 seconds 5 seconds
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Test Strip Fourth Exposure Slide the envelope down so that 4/5 of the photo paper will be exposed….
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Press Timer Button Lamp will go on, then turn off after Five Seconds.
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Test Strip Fourth Exposure 20 seconds 15 seconds 10 seconds 5 seconds
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Test Strip Fifth Exposure Remove the envelope so that the entire strip of photo paper will be exposed…..
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Press Timer Button Lamp will go on, then turn off after Five Seconds.
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Test Strip Fifth Exposure 25 seconds 20 seconds 15 seconds 10 seconds 5 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 Print Should be in Sharp Focus Have full tonal range Be free of scratches /dust Have 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.
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