To provide a lighting apparatus capable of increasing the variations of the angles to which light distribution can be controlled and capable of enhancing the efficiency of light concentration.
Provided is a lighting apparatus including a substrate on which a light emitting element is disposed, a first optical part provided with a plurality of first optical elements emitting light of the light emitting element as light of a small light distribution angle, and a second optical part provided with a plurality of second optical elements emitting light emitted by the plurality of first optical elements as light of a small light distribution angle, wherein the plurality of first optical elements and second optical elements can be divided into a plurality of groups having the same light distribution characteristics, light emitted by the light emitting element is received by the first optical element of the group having the same light distribution characteristics, light emitted by the first optical element is received by the second optical element of the group having the same light distribution characteristics, the second optical part moves with respect to the first optical part, and the combination of the light distribution characteristics of the first optical element receiving the light emitted by the light emitting element and the light distribution characteristics of the second optical element receiving the light emitted by the first optical element can be selected.
MORISHITA ICHIRO
TAKENAKA HIROMITSU
ADACHI TAKESHI
