Note: Professionally maintained and teched prior to shipment. 

**we cannot guarantee the revision of the lens** 

When your lighting situation requires even more precise optics for projecting images, gobos, and logos, the Source Four Lens Tube is an invaluable addition to your Source Four inventory. This lens attaches easily to any new or existing fixed-focus Source Four ellipsoidal spotlight. While increasing light output up to 10% it also provides heightened sharpness and stunning contrast to images when the Source Four is used as a pattern projector. Single front lens barrel unit with adjustable focus knob.