Projector lenses play a crucial role in determining the quality and versatility of projected images. These optical components are responsible for focusing and projecting light from the projector onto the viewing surface. Projector lenses come in various types, including fixed lenses and interchangeable lenses, each offering different focal lengths, zoom capabilities, and projection ratios. Fixed lenses provide a fixed focal length and projection distance, making them suitable for specific throw distances and screen sizes. On the other hand, interchangeable lenses offer greater flexibility by allowing users to change the lens based on the desired projection requirements, such as adjusting the image size, throw distance, or aspect ratio. Additionally, projector lenses may feature advanced optical coatings to enhance image clarity, minimize distortion, and improve light transmission efficiency. Whether used in home theaters, classrooms, boardrooms, or large venues, selecting the right projector lens is essential for achieving optimal image quality and meeting the unique needs of each projection environment.