Application

For evaluation of the resolution of optical systems.

Article

Siemens Star Graticule

  • Material: B270
  • Dimensions: ø 20.5 h8 x 1.5 ±0.1
  • Structure: opaque pattern on transparent background
    • Chrome HRC: OD>3, Reflection app. 45% @550nm
    • 2 x 36 sectors, minimum line width: 3.5µm
  • AR-Coating: none
Item No. 10008.03.122

Article

USAF-Target positiv

  • Material: B270
  • Dimensions [mm]: 40.0±0,1 x 40.0±0,1 x 1.5±0.1
  • Structure: opaque structure on transparent background
    • Chromium LRC: OD>3, Reflection<15% @550nm
    • Display from group 0 element 1 to group 7 element 6
    • Smallest structure size: 228LP/mm
Item No. 10008.03.123

Article

USAF-Target negativ

  • Material: B270
  • Dimensions [mm]: 40.0±0,1 x 40.0±0,1 x 1.5±0.1
  • Structure: transparent structure on opaque background
    • Chrom LRC: OD>3; Reflection<15% @550nm
    • Display from group 0 element 1 to group 7 element 6
    • Smallest structure size: 228LP/mm
Item No. 10008.03.124

Pattern dimensions in Line Pairs per mm (LP/mm)

Element Group No.
No. 0 1 2 3 4 5 6 7
1 1.00 2.00 4.00 8.00 16.00 32.0 64.0 128
2 1.12 2.24 4.49 8.98 17.95 36.0 71.8 144
3 1.26 2.52 5.04 10.10 20.16 40.3 80.6 161
4 1.41 2.83 5.66 11.30 22.62 45.3 90.5 181
5 1.59 3.17 6.35 12.70 25.39 50.8 102.0 203
6 1.78 3.56 7.13 14.30 28.51 57.0 114.0 228

 

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