Lighting Instruments

Floods and Spotlights
   --Floods: no lens
   --Spots: have lenses

Floodlights:
Generally based on a reflector and a lamp

   --Olivette- simple reflector, no lens
   --Striplights- spherical reflector, no lens
   --Farcycs- cylindrical/parabolic hybred reflector
   --Beam Projector- parabolic reflector, no lens
   --PAR Can- parabolic reflector, minimal lensing
   --Molefay
   --Scoop- ellipsoidal reflector, no lens

Spotlights:
Generally based on a reflector, lamp, and LENS

   --Limelights and early arc spots:
   --PC lens and NO reflector
        PC Spotlight-  Combination of  spherical reflector and PC lens
   --Fresnel spot-  Spherical reflector and fresnel lens
   --ERS- Ellipspsoidal reflector and PC lenses
        Ellipsoidal Reflector Spotlight-
        aka ERS, leko, klieglight, profile spot

PC lens system (or step lens) with ellipsoidal reflector
Some arc spotlights: Parabolic Reflector and PC lenses.

Moving Lights:
   aka Intelligent lights, Wiggle Lights
   --Moving Mirror type:
   --Moving body type: