ETC 42550LT-1 25-to-50-Degree Zoom Lens Tube - White 100702720 you start dialing in an

you start dialing in an expansion effect

Interlocking teeth securely locks boom angle

Equalized HDMI input

Balanced sound

ETC 42550LT-1 25-to-50-Degree Zoom Lens Tube - White 100702720 you start dialing in anETC 42550LT 1 25 to 50 Degree Zoom Lens Tube White ETCs 42550LT is a 25 50 zoom lens tube assemblyin Whitedesigned to be used with ETCs Source Four incandescent and LED ellipsoidal light engine bodies. ETCs patented one hand zoom and focus operation makes adjusting the lens simple and quick. But the best part is that Source Four Zoom has all the advantages of the revolutionary fixed focus Source Four: bright even field, cool beam, and amazing