The ETC Source Four 70 Degree Lens Tube in Black is an excellent addition to your stage lighting equipment. This lens tube is perfect for theatrical productions, concerts, and other events that require professional lighting. Its high-quality construction ensures durability, while its design allows for easy installation and use. With this lens tube, you can create stunning lighting effects that will enhance your performance and captivate your audience. Whether you are a professional lighting technician or a beginner, the ETC Source Four 70 Degree Lens Tube in Black is an essential tool for creating the perfect lighting setup.