Barco GC LENS for focus, zoom, and shift (4.0 - 7.2 : 1) - R98021861

Product Overview

The Barco GC+ lens 4.0-7.2:1 (R98021861) is a long-throw motorized zoom lens for the Barco G-series WUXGA installation projector platform, including the G100 single-chip laser phosphor models such as the G100-W22 and G100-W19. With a 4.0 to 7.2:1 throw ratio and a 1.8x zoom range, it projects a controlled image from a long distance, with motorized zoom, focus and lens memory. Specify this lens when the projector mounts well back from the screen, such as a rear booth in a large venue. It is the long-throw GC+ optic in the G-series lens family.

Product Description

This GC+ optic is a long-throw zoom lens optimized for WUXGA resolution, with motorized zoom and focus plus lens memory for stored zoom and focus presets. As shown in the gallery, it offers a working F/# of 2.2 (wide) to 2.6 (tele), a focal length of 84.1 to 149.8 mm and a 1.8x zoom ratio, with motorized lens shift of vertical ±120 and horizontal ±50. Throw distance spans 4.25 to 76.89 m with a focus range of 50" to 500", making it suited to deep auditoriums and large halls. For shorter geometry on the same projectors, integrators step down to the GC lens 2.0-4.0:1 or the mid-range GC lens 1.5-2.0:1. Browse the full set of compatible G-series projectors and GC optics in the Barco collection. The lens weighs 3.0 kg net with a 97 mm front diameter and protrudes 106.9 mm from the projector.

Key Features

• 4.0-7.2:1 long-throw zoom — the long-throw GC+ optic for set-back mounting in large venues.
• 1.8x zoom ratio — focal length 84.1-149.8 mm for image-size adjustment at distance.
• Motorized zoom and focus — full motorized control of zoom and focus from the projector.
• Lens memory — stores zoom and focus presets for fast multi-format recall.
• Wide lens shift — motorized shift of vertical ±120 and horizontal ±50 for flexible placement.
• Long throw distance — 4.25 to 76.89 m throw with a 50" to 500" focus range.
• WUXGA optimized — designed for the WUXGA G-series installation platform.
• Article number R98021861 — genuine Barco GC+ spare optic for installation and AV integration.

Typical Applications

• Deep auditoriums and theaters with a rear projection booth.
• Large-venue rental and staging where the projector is far from the screen.
• House-of-worship sanctuaries with long throw distances.
• Large fixed installs requiring a controlled image from extended distance.

Technical Specifications

Frequently Asked Questions

Which projectors does the GC+ lens 4.0-7.2:1 fit? It is designed for the Barco G-series WUXGA installation platform, including the G100 single-chip laser phosphor projectors.

Is this lens motorized? Yes. It has motorized zoom and focus, plus motorized lens shift.

Does it support lens memory? Yes, it stores zoom and focus presets for fast recall between image formats.

When should I choose this lens? Choose it for long projection distances, such as a rear booth in a large auditorium, where shorter GC lenses would oversize the image.

Is it a genuine Barco part? Yes, it is the genuine Barco GC+ optic, article number R98021861.