CD027 filters and change log

Filter wheel:
F1 OPEN

F2 BBP5500 + MgF2
F3 18a+ZnSe
F4 Reading 6.2um + MgF2
F5 N04679+MgF2
F6 N07466+CaF2
F7 BP14100
F8 Soifer
F9 CO2
F10 2.5 deg tilted Reading 6.2um    (removed N07904+CaF2)
F11 OCLI 'S'+BaF2
F12 N05340+MgF2             (removed N07053 +CaF2)



High-res door mirror stop:

turned stop (4-40 screw): 1/4 turn, CCW. Input beam to echelon chamber is thus able to be 2-3 mm closer to SDF wall. This was done to obtain less pupil vignetting in Hi-med and should a value between 1/4 -- 0 turn CCW selected in preparation for CD028 for flights.

Lens wheel:
38mm MgF2 blocker installed         (38mm ZnSe lens removed)