|   | 3.8.6 Camera | POV-Ray 3.6 for UNIX documentation 3.8.7 Lights | 3.8.8 Objects |   | 
LIGHT_SOURCE | LIGHT_GROUP 
light_source { V_LOCATION, COLOR [LIGHT_SOURCE_ITEMS] } 
 [LIGHT_TYPE] & [AREA_LIGHT_ITEMS] & [LIGHT_MODIFIERS] 
 spotlight [SPOTLIGHT_ITEMS] | cylinder [SPOTLIGHT_ITEMS] 
 [radius FLOAT] & [falloff FLOAT] & [tightness FLOAT] 
  & [point_at VECTOR] 
 area_light V_AXIS1, V_AXIS2, I_SIZE1, I_SIZE2 [AREA_LIGHT_MODIFIERS] 
 [adaptive INT] & [jitter] & [circular] 
  & [orient] 
 [LIGHT_PHOTONS] & [looks_like { OBJECT }] & 
  [TRANSFORMATION...] & [fade_distance FLOAT] & [fade_power FLOAT] 
  & [media_attenuation [BOOL]] & [media_interaction [BOOL]] & [shadowless] 
  & [projected_through { OBJECT_IDENTIFIER }] & [parallel [point_at VECTOR]] 
  
photons { LIGHT_PHOTON_ITEMS } 
 [refraction BOOL] & [reflection BOOL] & [area_light] 
  
light_group { LIGHT_GROUP_ITEM... [LIGHT_GROUP_MODIFIERS] } 
 LIGHT_SOURCE | OBJECT | LIGHT_GROUP 
 [global_lights BOOL] & [TRANSFORMATION...] 
|   | 3.8.6 Camera | 3.8.7 Lights | 3.8.8 Objects |   |