In an embodiment, a luminaire may include a housing that includes a
support panel, a rotation ring supported by the support panel where the
rotation ring is infinitely adjustable with a range of adjustments with
respect to the support panel, a rotation drive unit configured to rotate
the rotation ring with respect to the support panel, an aiming frame
supported by the rotation ring, a tray system pivotally mounted to the
aiming frame and configured to receive the bulb, and a tray drive
configured to rotate the tray system about the pivotal mounting, whereby,
in operation the rotational and angular orientation of the bulb may be
adjusted while the bulb is on.