Ellipsoidals

Source 4 19º HPL 575w	Strand Century 6x12 Long FEL 1Kw	Century 8x9 EGM 1Kw
Source 4 26º HPL 575w	Strand Century 6x12 Short FEL 1Kw	Altman 6x12 FLK 575
Source 4 36º HPL 575w	Electro-Controls 6x9 EGM 1Kw	Source 4 50º HPL 575w

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Uses
Wherever a precisely focus light is needed, often from front of house.

Advantages
Sharp circle of light
Shutters
Patterns
Adjustable lens tube for soft focusing

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Ellipsoidal Lamps

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FEL	FLK	HPL

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Ellipsoidal Reflector

Elliptical Reflector Diagram

Light Traveling Through Flat Glass

Section View


Light Travelling Through Lens

Section View

from Stage Lighting for Students
by Jeffrey E. Salzberg
with Judy Kupferman

Lens Sizes

• Diameter of the lens.
• Focal length.
• The longer the focal length the smaller the pool of light.
• Common sizes:
  • 
  A = 6 x 9
  B= 6 x 12
  C= 6 x 16
  F = Focal Length

Comparing Different Focal Lengths

Accessories

Gel Frame Holders

Gobo Pattern Holders

Glass Gobos

Gobo Rotators

Irises

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Zoom Capability

Strand 6" Zoom	Parellipsphere
FEL 1Kw	EGM 1Kw

Dichroic Reflectors

Source 4