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12×9（25×25） PET

KWD 16
Size12×9（25×25）
StylePet
– 1 +

Special Features

  • 18×18 small blocks printed on 50 * 50 mm square glass board (total), the size of a single black square is 2 mm.
  • Aluminium oxide layer on glass base.
  • Optical calibrator for film, lens, slide, projector etc.
  • Alignment card Calibration board
  • Chess board pattern calibrater
  • checkered pattern

Description

Lens focus calibration,
Screen printing film alignment,
Projector, slide calibration,
precision is 20μm.
18×18 small blocks(edge length 2mm square),
Aluminium oxide layer on glass base.

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