BenQ LS2SD2 - 22.84 mm to 28.61 mm f/2.09 Standard Throw Zoom Lens

The BenQ LS2SD2 Standard Throw Zoom Lens is a versatile, high-performance accessory designed to unlock maximum projector placement flexibility. Built as part of BenQ’s lens ecosystem, this standard throw zoom lens supports optimal installation across a wide range of environments—from compact rooms to mid-size auditoriums—by offering a broad focal length range and a bright, consistent image. The LS2SD2 is engineered with glass optical elements that deliver crisp, edge-to-edge sharpness and reduced chromatic aberrations, ensuring that colors stay vibrant and details remain clear whether you’re presenting in a conference room, classroom, or home theater. With an impressive f/2.09 maximum aperture, this lens captures more light, yielding a brighter image even in medium ambient lighting, while preserving the projector’s color accuracy and contrast. This makes LS2SD2 an ideal choice for professionals and enthusiasts who demand reliability, image quality, and installation flexibility from a single standard-throw zoom lens.

• Broad focal length range of 22.84 mm to 28.61 mm provides flexible standard-throw projection, enabling more placement options without sacrificing image size or alignment. This means you can fine-tune throw distances to suit room dimensions, seating layouts, and ceiling heights, all while preserving a consistent image diagonal.
• Bright f/2.09 aperture helps maximize brightness in typical educational and corporate environments, delivering vivid, punchy visuals even when ambient light isn’t fully controlled. The large aperture works in tandem with high-quality glass elements to maintain brightness without sacrificing color fidelity or sharpness across the image field.
• Glass optics and precision coatings minimize distortion and aberrations, delivering razor-sharp details, accurate color reproduction, and consistent performance from edge to edge. This lens is designed to maintain focal accuracy as you adjust zoom and focus, reducing the need for frequent readjustments after installation.
• Designed for seamless compatibility with BenQ projection systems, the LS2SD2 offers straightforward installation and reliable mounting within the BenQ lens lineup. Its standard throw design is optimized to balance throw distance and image size, helping installers achieve the desired screen experience with fewer compromises.
• Durable construction and robust tolerances ensure long-term reliability in daily use. The LS2SD2 is crafted to withstand the rigors of frequent setup and repositioning in dynamic environments, while maintaining consistent optical performance across a variety of projection angles and mounting configurations.

Technical Details of BenQ LS2SD2

• Focal length range: 22.84 mm to 28.61 mm
• Aperture/t-number: f/2.09
• Lens type: Standard throw zoom lens
• Optical design: Glass elements with precision coatings for sharpness and color accuracy
• Mounting compatibility: BenQ projection lens mount (LS2 series)
• Image performance: Edge-to-edge clarity with minimized distortion and aberrations
• Ideal environments: Educational, corporate, and mid-size venues requiring flexible throw distances

how to install BenQ LS2SD2

• Power down the projector and ensure it is cool before handling the lens assembly. Remove any existing lens from the projector carefully, following the manufacturer’s safety guidelines, and prepare the mounting area for the LS2SD2.
• Align the LS2SD2 with the projector’s lens mount, ensuring the bayonet or locking mechanism engages smoothly. Do not force the lens; rotate gently to the correct position and secure it with the mounting screws provided by BenQ for your specific model.
• Gently rotate the zoom and focus controls to ensure smooth operation. Confirm that the lens barrel moves without resistance and that there is no binding as you adjust focal length from 22.84 mm to 28.61 mm.
• Power on the projector and perform a quick alignment check. Use the projector’s keystone correction and lens shift (if available) to center the image on the screen, ensuring the lens is perpendicular to the projection surface for optimal image geometry.
• Conduct a basic image test with a common presentation or test pattern. Verify brightness, color accuracy, and sharpness across the screen, and adjust any remaining focus or zoom to achieve uniform clarity from center to edges.

Frequently asked questions

• Q: What makes the BenQ LS2SD2 a good choice for standard-throw applications?

  A: The LS2SD2 combines a practical focal length range with a bright f/2.09 aperture, allowing flexible placement in typical rooms while delivering a bright, high-contrast image. Its glass optics minimize distortion and deliver sharp focus across the image plane, making it suitable for classrooms, meeting rooms, and home theaters where space and light conditions can vary.

• Q: Is the LS2SD2 compatible with all BenQ projectors?

  A: The LS2SD2 is designed for use with BenQ projectors that support LS2 series standard throw zoom lenses. Compatibility depends on the specific projector model and lens mount compatibility; always verify that your projector supports LS2 lenses before purchase or installation to ensure proper fit and performance.

• Q: How does the focal length range affect installation flexibility?

  A: The 22.84 mm to 28.61 mm range provides a versatile standard-throw option, enabling you to tailor throw distance to your room dimensions and screen size. This helps achieve an ideal image size without needing to reposition the projector or screen excessively, reducing installation time and achieving more consistent results.

• Q: Can I expect improved brightness with the LS2SD2?

  A: Yes. The large f/2.09 aperture enhances light transmission, contributing to brighter images, especially in moderate ambient lighting. When combined with high-quality glass optics and coatings, you’ll experience better perceived brightness and improved contrast, which helps content readability and viewer engagement.