Barco GC LENS for focus, zoom, and shift (2.0 – 4.0 : 1) - R98021851

Product Overview

The Barco GC+ lens 2.0-4.0:1 (R98021851) is a long zoom motorized 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 2.0 to 4.0:1 throw ratio and a 2x zoom range, it covers long rooms where the projector is set well back from the screen, with motorized zoom, focus and lens memory. Specify this lens when the standard-throw GC optics are too wide for the projection distance. It sits in the long-throw band of the G-series lens family.

Product Description

This GC+ optic is a long 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 2.8 (tele), a focal length of 42.4 to 84.5 mm and a 2x zoom ratio, with motorized lens shift of vertical ±120 and horizontal ±50. Throw distance spans 2.10 to 42.43 m with a focus range of 50" to 500", suiting deep auditoriums and large halls. For longer geometry on the same projectors, integrators step up to the GC+ lens 4.0-7.2:1; for shorter rooms they move down to the 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 (5.6 kg gross) with a 107.5 mm front diameter and protrudes 76.23 mm from the projector.

Key Features

• 2.0-4.0:1 long zoom — covers extended projection distances on the G-series platform.
• 2x zoom ratio — focal length 42.4-84.5 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 — 2.10 to 42.43 m throw with a 50" to 500" focus range.
• WUXGA optimized — designed for the WUXGA G-series installation platform.
• Article number R98021851 — genuine Barco GC+ spare optic for installation and AV integration.

Typical Applications

• Long auditoriums and lecture halls with set-back projector placement.
• Large-venue rental and staging where the projector is far from the screen.
• House-of-worship sanctuaries with extended throw distances.
• Large fixed installs requiring a controlled image from a long distance.

Technical Specifications

Frequently Asked Questions

Which projectors does the GC+ lens 2.0-4.0:1 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 rooms where the projector sits well back and standard-throw GC lenses would be too wide.

Is it a genuine Barco part? Yes, it is the genuine Barco GC+ optic, article number R98021851.