Nikon R1 Instruction Manual page 40

Procedures for Commander flash operation
 Attaching the SB-R200 to the front of the lens
The SB-R200 can be attached to the front of the lens through the Attachment Ring SX-1
(p. 31).
40
4
Adjust the SB-R200's flash head.
The flash head of the SB-R200 tilts down to
60° and up to 45°. The flash head can be
set at click stops every 15°.