Description

The ZOOM LENS 18-10812.5 is a professional-grade industrial zoom lens engineered for machine vision, broadcast, and surveillance applications requiring precise optical control and adaptability. Designed to deliver high-resolution imaging across an extensive 6x zoom range (18–108mm focal length), this lens enables operators to maintain optimal framing without physical camera repositioning. Its robust construction withstands industrial vibrations, temperature fluctuations, and continuous operation, making it ideal for integration with robotic inspection systems, CCTV networks, and production line monitoring setups. The ZOOM LENS 18-10812.5 features multi-layer anti-reflective coatings to minimize flare and ghosting while maximizing light transmission, critical for low-light environments. Compatible with standard C-mount or CS-mount industrial cameras, it supports sensors up to 1-inch format, ensuring sharp corner-to-corner image quality. The lens’s parfocal design maintains focus stability during zoom adjustments, while its manual iris and focus rings provide tactile control for fine-tuning depth of field. As a cornerstone of adaptive imaging systems, the ZOOM LENS 18-10812.5 balances optical precision with operational flexibility, enhancing defect detection accuracy and monitoring efficiency in dynamic industrial settings.

Technical Specifications

Main Features and Advantages

The ZOOM LENS 18-10812.5 excels in delivering distortion-free imaging across its entire zoom spectrum, thanks to advanced aspherical and Extra-Low Dispersion (ED) glass elements that suppress chromatic aberration. Its constant f/1.8 to f/12.5 aperture range maintains excellent light-gathering capability even at full telephoto extension, ensuring consistent exposure without gain-induced noise. The lens incorporates a precision-engineered helicoid focus mechanism that enables smooth, repeatable adjustments – critical for automated inspection systems requiring micron-level accuracy. Parfocal performance ensures subjects remain in focus during zoom transitions, eliminating refocusing delays in time-sensitive applications like high-speed production line monitoring.

Durability defines the ZOOM LENS 18-10812.5: Sealed brass construction with stainless steel mounting threads resists corrosion in humid or chemically aggressive environments, while internal baffling minimizes stray light interference. The lens supports near-infrared (NIR) imaging (700–900nm) without focal shift, making it suitable for specialized machine vision tasks like semiconductor wafer inspection or agricultural sorting. Ergonomically ribbed control rings provide positive tactile feedback even when operators wear gloves, and the integrated focus lock prevents calibration drift from vibration. Compared to fixed-focal alternatives, the ZOOM LENS 18-10812.5 reduces equipment costs and cabinet space by eliminating lens-change requirements, while its 72mm filter thread accepts polarizers or spectral filters for enhanced material contrast.

Application Field

The ZOOM LENS 18-10812.5 serves critical roles in vision-dependent industrial processes where field-of-view flexibility is paramount. In automated optical inspection (AOI) systems, it enables electronics manufacturers to zoom from board-level overviews (18mm) to component-lead close-ups (108mm) for solder joint validation without repositioning cameras. Food processing facilities leverage its NIR compatibility and splash-resistant design to monitor packaging integrity on high-speed filling lines, where steam and condensation challenge conventional optics. The lens’s vibration tolerance makes it ideal for robotic welding cells, providing consistent seam-tracking imagery despite mechanical shocks.

Broadcast engineers deploy the ZOOM LENS 18-10812.5 in ruggedized PTZ cameras for live event coverage, exploiting its smooth focus transitions and flare suppression for high-contrast stage imaging. Security integrators utilize it in perimeter monitoring systems, where the 108mm telephoto capability identifies intrusions at 200+ meter ranges while the wide-angle setting surveys broad areas. Pharmaceutical manufacturers benefit from its precise depth-of-field control during vial inspection, where critical focus planes must be maintained despite container height variations. Essentially, any scenario requiring adaptable, high-fidelity imaging under physically demanding conditions – from foundry quality control to offshore rig monitoring – benefits from the ZOOM LENS 18-10812.5‘s optical resilience.

Related Products

Fixed 25mm f/1.4 Lens: A faster prime lens for low-light applications not requiring zoom, offering superior light gathering but fixed perspective.

Motorized Zoom 18-108mm f/1.8: Automated version of the ZOOM LENS 18-10812.5 with servo-driven focus/zoom for robotic integration.

Telecentric Lens 0.5X: For metrology applications requiring zero perspective error, complementing the ZOOM LENS 18-10812.5‘s general inspection role.

12mm Wide-Angle Lens: Expands field coverage beyond the ZOOM LENS 18-10812.5‘s wide-end for confined-space monitoring.

C-Mount to F-Mount Adapter: Enables using the ZOOM LENS 18-10812.5 on larger-format DSLR/mirrorless cameras.

IR-Corrected 18-108mm Lens: Optimized version for 850nm+ infrared imaging where the standard ZOOM LENS 18-10812.5 exhibits focus shift.

Lens Heater Collar 80mm: Prevents fogging in cold environments when mounted on the ZOOM LENS 18-10812.5.

Polarizing Filter M72: Enhances surface defect detection capabilities when paired with the ZOOM LENS 18-10812.5.

ZOOM LENS 18-10812.5

Installation and Maintenance

Pre-installation preparation: Before mounting the ZOOM LENS 18-10812.5, verify camera compatibility (C/CS-mount flange distance) and sensor size match. Clean mounting surfaces with isopropyl alcohol to remove debris, and inspect the lens rear element for particulates. For industrial environments, apply thread-locking compound to the mount to prevent vibration-induced loosening. Calibrate back-focus using a resolution test chart at 108mm focal length before securing the locking screw.

Maintenance recommendations: Quarterly, clean external surfaces with dry nitrogen spray and inspect seals for integrity. Every 6 months, perform focal consistency checks: Record focus position at 18mm and 108mm for a fixed target; deviations >5% indicate need for professional recalibration. Avoid touching glass surfaces directly – use lens-specific cleaning fluid and microfiber cloths for smudges. Store in desiccated containers during downtime to prevent fungus growth. If image sharpness degrades at telephoto settings, verify mounting torque (1.2–1.5 Nm) and check for sensor tilt. Never disassemble the helicoid mechanism; internal lubrication requires factory servicing.