Collimator
•
46.3 in dia
•
86.5 in focal length
•
3.45 in thick
•
1.46 in sagitta
•
4 in dia center hole
•
Zerodur
•
Al coated (presently)
•
Holding tolerances
–
X,Y +/- 0.020
inches
–
Theta X,Y +/- 20
arcmin