Standard Lens Tubes
With the introduction of the iconic Source Four incandescent fixture in 1992, came a revolutionary set of lens tubes that have set the standard for quality around the world. The original Source Four lens tubes are only available from ETC and come
in 5°, 10°, 14°, 19°, 26°, 36°, 50°, 70° and 90° field angles.
- Requires standard barrels