Field Lens

Field Lens

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bylcoadmin

IMACS field lens integration and installation – 5/9/02

  • Threading the cell into the structure.
  • Starting the trip to the structure…
  • Approaching the field lens hole in the structure.
  • Slit area to the left, collimator to the right, and Joe can hear the burrito bell ringing…
  • The tooling needed a little help to hang the lens vertically.
  • Field lens installed, view from the telescope side. The slit mask server can be seen
    to the left, the center-field guider to the right.
  • Note the straw-colored reflections due to the Sol-Gel AR coating.
  • Ready for installation in the structure.
  • The field lens is a little over 600 mm (24 “) in diameter, and weighs 36Kg (80 lbs.).
  • Flipping the field lens over.
  • Ready for the cell.
  • Installing the lifting tooling.
  • The field lens in its shipping fixture.
  • The field lens cell, during fabrication at Martinez and Turek.
  • Field Lens fabrication
    Tyson Hare and Alan Dressler inspect the field lens with its new Sol-Gel coating.
  • The field lens cell, in its shipping container (from Marinez and Turek).
  • The field lens in its shipping cell. Note the new 2-speed hoist for the trolley crane.
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