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Field Lens

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

The field lens in its shipping cell. Note the new 2-speed hoist for the trolley crane.

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Installing the lifting tooling.

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Flipping the field lens over.

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Ready for the cell.

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The field lens is a little over 600 mm (24 ") in diameter, and weighs 36Kg (80 lbs.).

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Note the straw-colored reflections due to the Sol-Gel AR coating.

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Ready for installation in the structure.

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Starting the trip to the structure...

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In the air - that is a lot of money hanging by two straps...

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Threading the cell into the structure.

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Slit area to the left, collimator to the right, and Joe can hear the burrito bell ringing...

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Approaching the field lens hole in the structure.

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The tooling needed a little help to hang the lens vertically.

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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.

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Field Lens fabrication

15

Tyson Hare and Alan Dressler inspect the field lens with its new Sol-Gel coating.


16

The field lens in its shipping fixture.


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The field lens cell, in its shipping container (from Marinez and Turek).


18

The field lens cell, during fabrication at Martinez and Turek.

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