NEC NP48ZL Long Throw Zoom Lens — 21.80 mm to 49.80 mm f/2.66

Upgrade your projection setup with the NEC NP48ZL long throw zoom lens, engineered to deliver unmatched versatility, sharpness, and reliability. This high-performance lens is designed for NEC NP-series projectors, offering lens shift and motorised zoom to simplify installation, alignment, and ongoing adjustments. Whether you’re equipping a modern classroom, a conference room, or a large-event venue, the NP48ZL helps you maximize image size from greater distances while preserving clarity, color accuracy, and contrast. Its compact design and responsive controls make it a favorite among installers who demand flexibility without sacrificing image quality.

• Broad focal range for flexible throw distances: With a 21.80 mm to 49.80 mm zoom range, you can project large, immersive images from longer distances without compromising edge-to-edge sharpness or color fidelity. This versatility is ideal for classrooms, lecture halls, corporate spaces, and venues with fixed seating layouts.
• Motorised zoom and automatic lens shift: The NP48ZL integrates seamlessly with NEC projectors to deliver smooth, precise zoom adjustments and image shifting. This reduces on-site setup time, simplifies alignment after installation, and allows quick recalibration for different room configurations or screen placements.
• Bright, sharp imaging with fast focus: The f/2.66 aperture helps deliver strong brightness and high-contrast images even in rooms with ambient lighting. The optical design prioritizes sharpness across the screen, ensuring text remains crisp and visuals remain vibrant from the left edge to the right.
• Compact, durable design for reliable installations: Engineered for professional environments, the NP48ZL combines rugged construction with a compact footprint. Its durable build makes it suitable for high-traffic venues, rental fleets, and installations where space is at a premium.
• Creative projection control for venues of all sizes: The lens’s long-throw capability, precise zoom, and lens-shift control empower educators, presenters, and event technicians to craft immersive visuals. From distance-learning classrooms to corporate town halls, you can tailor the image geometry to suit the room and screen size.

Technical Details of NEC Display NP48ZL

• Focal length range: 21.80 mm to 49.80 mm
• Aperture: f/2.66
• Design type: Long throw zoom lens
• Features: Lens shift, motorised zoom
• Compatibility: Designed for NEC NP-series projectors
• Construction and usage: Optimised for professional installations, with emphasis on image stability, minimal distortion, and reliable operation over extended use

how to install NEC Display NP48ZL

Step 1: Power down the projector and disconnect from power. Allow the device to cool and ensure the mounting area can support the combined weight of the projector and the lens assembly. Gather your installation tools and NEC installation guidelines for reference.

Step 2: Remove the existing lens or prepare the lens mounting area according to the projector’s service manual. Align the NP48ZL with the projector’s universal lens mount, ensuring the rear of the lens seats properly in the lens mount interface.

Step 3: Secure the NP48ZL using the manufacturer’s recommended screws and mounting hardware. Tighten screws evenly to avoid tilt and ensure a stable, vibration-free fit. Confirm the lens is securely attached but not over-tightened, which could affect alignment.

Step 4: Connect any required power or data interfaces for motorised zoom and lens shift, if applicable, following NEC’s installation instructions. Access the projector’s on-screen menu to enable control of the zoom and lens shift from the local panel or remote system.

Step 5: Calibrate the lens shift and focus. Use the projector’s geometry, keystone, and alignment tools to position the image precisely on the screen. Run a test image at multiple zoom positions to ensure uniform sharpness and brightness across the throw range, then store the configuration in the projector’s memory for quick recall.

Step 6: Document the installation setup, including throw distance, screen size, and focal positions. This information helps future technicians reproduce the exact image geometry during maintenance or reconfiguration for new venues.

Frequently asked questions

Q: What is the NEC NP48ZL used for?

A: The NP48ZL is a long throw zoom lens designed for NEC NP-series projectors. It enables large images from extended throw distances, while offering lens shift and motorised zoom for precise, easy alignment in a variety of rooms—from classrooms to large auditoriums.

Q: Does the NP48ZL support lens shift?

A: Yes. The NP48ZL includes built-in lens shift, allowing you to adjust the projected image without physically moving the projector. This feature is especially useful in rooms with fixed mounting positions or screen placements, helping you maintain a perfectly centered image on different screen sizes.

Q: What is the aperture and how does it affect image quality?

A: The NP48ZL has an aperture of f/2.66. A larger aperture (smaller f-number) typically contributes to brighter images and better performance in rooms with ambient light. The lens is designed to preserve edge-to-edge sharpness and color accuracy across the throw range, ensuring legible text and crisp visuals from near to far positions.

Q: Which projectors are compatible with the NP48ZL?

A: The NP48ZL is designed specifically for NEC NP-series projectors. To ensure compatibility with your exact model, verify the lens mounting interface and whether the projector supports motorised zoom and lens shift control. Consult NEC’s installation documentation or a qualified installer for confirmation.

Q: What should I expect during installation and maintenance?

A: Installation typically involves mounting the lens onto the projector, securing hardware, connecting control interfaces if needed, and calibrating the image geometry. Maintenance includes periodic checks for alignment, calibration, and firmware updates for the projector or lens control system. Regular cleaning of the lens surface (with approved lens-cleaning methods) helps sustain image clarity over time.

The NEC NP48ZL Long Throw Zoom Lens is an essential accessory for anyone seeking to maximize projection reach without compromising image quality. Its 21.80 mm to 49.80 mm focal range gives installers exceptional flexibility to fit diverse room geometries, while the motorised zoom and lens shift streamline setup and ongoing adjustments. The combination of a bright f/2.66 aperture, sharp optics, and a compact, durable build makes this lens a reliable choice for education, corporate, and event environments where consistent, high-contrast visuals are critical.

In practical terms, imagine delivering impactful lectures in a mid-sized lecture hall, where the screen size is substantial but the projector must be placed far back due to room layout. The NP48ZL’s long-throw capability ensures a large, legible image with even brightness across the screen. In a conference center or training facility, the motorised zoom reduces the need for manual lens focusing and repositioning, helping technicians quickly reconfigure for different audience sizes or stage setups. For rental fleets, a single lens can accommodate a wide range of venues, simplifying inventory while maintaining professional-grade image quality. The NP48ZL stands out for installers who prize precision, speed, and dependable performance, making it a logical choice for demanding projection deployments.