Beam Projectors


Beam Projector Section View

Lamp
BTN, 1KW incandescent

Reflector
Primary - Parabolic
Secondary - Spherical

Lens
None

Sizes
Measured in diameter
Common sizes: 14", 16"

Uses
Strong shaft of light

Advantages
Inexpensive fixture
Spot/flood capability

Micro-Louvres

Section View


Photo from Stage Lighting by Theodore Fuchs
Little, Brown, and Company
1929