What is the aperture on an enlarger

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Term
Definition
contains the main working parts:
the light source, lens, and negatran. it is raised up and down no the supporting column.
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Definition
holds the enlarger head out over the baseboard and printing paper. serves best as a rail on which the head is moved up or down.
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Definition
Specifies enlarger setting of film format size.
Term
Negative Size Adjustent Knob
Definition
Adjusts the upper bellows to adapt to different size film formats.
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Definition
Opens and closes the negative stage to lock in the negative carrier or negatran.
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Definition
The device that holds and transports the negative under the lamp.
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Definition
This part moves the enlargert head farther and nearer the printing paper producing the final image size for the enlargment.
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Definition
changes the distance between the lens and the negative.
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Definition
Prevents unwanted movement of the enlarger head.
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Definition
A small red plastic insert that allows light to hit the lens so the aperture setting can be read.
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Definition
Bends the light rays passing through the negative to form an enlarged image.
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Definition
It changes the size of the diaphragm in f/stop measurments.
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Definition
An adjustable opening much like the diaphragm in the camera which controls the amount of light reaching the printing paper.
*Controls the amount of light passing through the lens.
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Definition
Small mark that indicates the selected aperture setting.
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Definition
This enlarger part holding the enlarging lens and lens illuminator is held in place by the lens stage.
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Definition
Hiolds the contrast filters ir safelight filters below the lens.
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Definition
Holds the lens board with the enlarging lens and illuminator.
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Definition
allows the distance between the lens and negative to be adjusted while focusing.
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Definition
This platform is opened by the negative stage lever and supports the negative carrier/negatran.
Term
Definition
Allows the enlarger to accommodate e cariety of film formats.
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Definition
A pair of convex lenses which spread the light evenly over the negative area
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Definition
Holds large gelatin in contrast filters in preferred location above the lens.
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Definition
This high intensity bulb supplies the required light to expose the printing paper.
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Definition
A round frame device for holding the negative inside the enlarger so that it can be printed.
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Definition
The foundation supporting the whole unit. It also is the surface apon which the print proofer, easel or printing paper is placed.
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Definition
Used to hold printing paper flat and in place when making an enlargement. Four print sizes are avaliable.
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Definition
Used to assure that negatives and photo paper are in contact when a proof or contact print is made.
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Definition
Used to assure that negatives and photo paper are in contact when a proof or contact print is made.
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Definition
Small brush treated to eliminate static electricity so dust or lint will not adhere to the negative. Must be kept clean and in a box.
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Dodging and Burning Tools
Definition
Devices used to lighten or darken particular areas of a print by shading one area whils addinf light to another area.
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Definition
Magnification devide used to assist with sharp focus.
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Definition
Controls the interval of time photo paper is exposed to light.
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Definition
Used to protect the lens and put in place when the enlarger is shut down.
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Definition
Alighs hairline to ensure that lens board is parallel to the baseboard.
Term
Definition
Used to alter contrast on polycontrast paper.