Neutral density filter OD 4

Specifications

  • Material: Borofloat, not polished
  • Surface imperfections: 40/20
  • Size: Ø 50+0/-0.1 mm in stock, further sizes available at short notice
  • Thickness: 1.1±0.1 mm
  • Hardness, adhesion, humidity: acc. to MIL-M-13508
  • Filtrop PN: 1-0044

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