Nikon SB-5000 Reference Manual page 191

Zoom head position
Standard
(mm)
illumination
105
120
135
180
200
BA: With the Nikon Diffusion Dome attached
WP: With the built-in wide panel in place
FX format
Even
illumination
illumination
50 46
51.5 47.5
53 49
54.5 51
55 52
Center-
Standard
weighted
illumination
51.5 54
53.5 54.5
55 55
− −
− −
DX format
Center-
Even
weighted
illumination
illumination
50 −
51 −
52 −
52.5 −
53 −
H-26
H