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University of Padua
University Library System
Antique and special collections section
Botanical Garden Library

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Digitization of the Botanists portrait collection
(January 2009)

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The Botanists portrait collection contains 2,380 portraits of Italian and foreign botanists kept at the Padua Botanical Garden Library.

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This is a teaching and information video documenting certain steps in the process of digitizing the collection.

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The digitization laboratory set

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Digitization laboratory set comprises: 2 light sources,

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image capture station: surface covered in black cloth,

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easel with colour scale,

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digital camera mounted on pillar,

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post-production station (optimization of digital images by balancing brightness,
contrast, etc., and photo retouch where appropriate).

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Digitization of positives

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Cleaning of black cloth with brush to remove fluff;

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use of white cotton gloves to avoid fingerprints on material being reproduced;

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levelling of surface and digital camera;

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positioning the photograph so that the sides are parallel with the easel;

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image capture front and rear (rear, to record any handwriting or stamps);

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Digitization of negatives

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Positioning of plate or film negative on screened backlit surface;

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adjustment of digital image obtained.

