SDF Configuration for CD 17

Filter Wheel:
1) 18a + ZnSe (no change)
2) BBP5500 + CaF2 (no change)
3) Open (no change)
4) Reading 6.2 + MgF2 (no change)
5) N04679 + CaF2 (no change)
6) N07466 + CaF2 (no change)
7) BP6600 + MgF2 (no change)
8) Soifer (no change)
9) OCLI Q + BaF2 (moved N07053 to decker wheel)
10) OCLI O + CaF2 (moved BBP5030 to decker wheel)
11) N07904 + CaF2 (no change)
12) BP14100 (no change)


Decker Wheel:
1) BBP8000 + BaF2 (no change)
2) BBP4700 + MgF2 (no change)
3) N07053 + CaF2 (removed BP600 + MgF2)
4) BBP5030 + blocker (moved OCLI Q to filter wheel)

Lens Wheel Configuration for CD17

Angle     Optical Component    Notes
-120 deg  mirror               no change
-60 deg   1% ND filter         removed ZnSe window. 24mm C.A.
0 deg     Open
60 deg    KBr window           removed BaF2. Housed with 25mm C.A.
120 deg   ZnSe lens            d=29.0mm to detector to lens
180 deg   KRS5 lens+10% ND     d=40.6mm

We measured the focal distance for both lenses, using a ceiling light 84mm overhead. 
measured:
f_KRS5(0.63um)=34 mm
f_ZnSe(0.63um)=25 mm 
assuming this corresponds to 0.63 um, the 10um focal lengths are:
f_KRS5(10um)=38.4 mm
f_ZnSe(10um)=28 mm

And for an object distance (lens to echelle grating) of 1m, the image distances for 10um focus are: 

i_KRS5=39.9 mm (compared to installed value of 40.6 mm)
i_ZnSe=28.8 mm (compared to installed value of 29.0 mm)