Lab bench configured for optical assembly.
Lens, cell, kapton, wave washer, and C-ring clip making up the ZnSe thick lens in the F/5 camera
Zoom of same image.
From a different view
Optics bench details. Note the presence of spray air (bad idea, I found out the hard way...)
F/5 camera BaF2 lens before mounting
BaF2 lens in its F/5 lens cell
Same cell, viewed from back side. The kapton "fingers" that wrap aound the front surface of the lens can be seen through the lens. The C-ring that hold the lens in the cell all but covers the copper wave washer that supplies spring force.