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Appendix D Spectrometer Adapters 151
SPEX 270M (NTE with or without shutter)
3
1
2
5
4
Qty P/N Description
1. 1
2518-0691 Female Adapter Plate, 2.400 ID
2. 6 2826-0068
Screw, 6-32 × 3/8, Socket Head, Cap, Stainless Steel
3. 1
2518-0690 Adapter, Focusing, Male, Spec 270
4. 3 2826-0127
Screw, 10-32 × 1/4, Button Head Allen Hex, Stainless Steel
5. 2 2826-0073
Screw 6-32 × 1/8, Set, Allen Hex, Brass Tip
Assembly Instructions
1. Remove the cover of the spectrometer.
2. Attach part 1 to the inner wall of the spectrom
eter (dashed line in illustration) with
the socket head screws provided.
3. Attach part 3 to the cam
era with the three (3) 1/4" long button head screws provided.
4. Gently
insert part 3 into part 1 and fasten with the setscrews.
5. Replace the spectrom
eter cover.
Note: Adapter parts are machined to provide a tight fit. It is necessary to rotate the camera
back and forth when inserting into the spectrometer adapter. Do not force the two parts of
the adapter together, as they can be permanently damaged by excessive force.