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double-extension bellows [1 record]

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Record 1 1985-10-23

English

Subject field(s)
  • Photography
CONT

Some cameras have double or triple extension bellows that permit close-up photography without accessories. A double-extension bellows is one that is long enough to place a normal-focal-length lens (for the film format in use) at a distance of two focal lengths from the film plane.

French

Domaine(s)
  • Photographie

Spanish

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