10:23

The Lighting Design Process

3:12

Gear: The Ellipsoidal Reflector Spotlight

4:05

How to 'bench focus' a Source Four ERS

2:48

Focusing a Light

2:58

Elation Professional WW Profile Ellipsoidal Light

14:02

The Role of Lighting in Theatre | Donald Holder | TEDxBeaconStreet

5:49

Ellipsoidal (ERS) Tutorial

6:26

What Does a Leko, Fresnel, or Parcan Light Look Like? And what the Heck is a Gobo?