Nikon Optiphot Microscope Not Working, for Parts Only (305350)

Nikon Optiphot Microscope Not Working, for Parts Only. 
Opticals:
Nikon CFW10x
Objectives:
Nikon BD Plan 5x 0.1 210mm/0,
Nikon BD Plan 10x 0.25 210mm/0,
Nikon BD Plan 20x 0.4 210mm/0,
Nikon BD Plan 40x 0.65 210mm/0.
With Sony SR-741 Magnescale Stage.