Ellipsoidal
Small
round bulls eyes or you see round lenses in the head light
Parabolic Large reflector and scatter lens on
glass front. Traditional type used for the last 30 years
Complex
shape Often little or no scatter lenses on
glass front. Either "steps" or smooth reflector
surface. Requires very precise positioning of lamps, therefore
use of H7 or H1 Spot.
The
efficiency has increased with the introduction of complex
shape reflectors
