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PHOTOGRAM. VALUE SCALE. What is a photogram?. Filmless print made without a camera. Place objects on photo paper and expose to light, usually with an enlarger. Paper developed, like any print. Value Scale. White is pure white and black is pure black Everything between are shades of gray.
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PHOTOGRAM VALUE SCALE
What is a photogram? • Filmless print made without a camera. • Place objects on photo paper and expose to light, usually with an enlarger. • Paper developed, like any print.
Value Scale White is pure white and black is pure black Everything between are shades of gray 3 6 9 12 15 White might be zero to a few seconds, black could be 15, 18, 21, or more seconds Of exposure under the enlarger. Start at f/11 and go wider if necessary.
To get pure white on your photo paper, objects must be solid. Light will leak around edges creating a gray tone. This is not acceptable. Try something metal, try your cellphone. • Many objects that appear solid may not be truly solid. • Instructor has examples of solid objects you can use.
Exercise • 1 Value Strip with at least 3 gray tones, PLUS white and black • Use to determine exposure times for photogram 2. Black and white photogram • Arrange on 8x10 to achieve black background with pure white objects, NO GRAY 3. Black, white, 2 tones of gray • Arrange on 8x10, cut exposure time in half, rearrange some items, complete the time. Example: total exposure time 18 secon 4. Create your own.
What’s due? • Total of 4 things turned inside a 10x13 envelope with your name on the back of each print and on the outside of the envelope • 3 8x10 prints • 1 value scale
How to complete • Check out darkroom basics for photogram using your current VVC ID card. No card, no equipment. • Be sure the negative carrier is in the enlarger. • Cut full sheet of photo paper in 3 or 4 lengths. These are for your value strip. Put them back into the light tight plastic bag. • Using the modeling light, set aperture to f/11 • Be sure model light is OFF before you open your photo light tight bag and remove the strip
Insert photo strip, shiny side up, under the class • Cover all but 1/5th of the paper with cardboard. • Set timer for 3 seconds. Start the timer, the light will come on. • Move the cardboard another 1/5 and repeat until on 1/5 of the paper is unexposed. • Develop • Check strip with instructor. Repeat with long times if necessary.