Barco GC LENS for focus, zoom, and shift (1.2 - 1.5 : 1) - R98021831

Product Overview

The Barco GC lens 1.2-1.5:1 (R98021831) is a standard-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 1.2 to 1.5:1 throw ratio and a 1.25x zoom range, it covers the common geometry for typical front-projection rooms, with motorized zoom, focus, shift and lens memory. This is a default lens to specify when the projector sits at a normal distance from the screen. It is a standard-throw optic in the G-series lens family.

Product Description

This GC optic is a standard-throw zoom lens optimized for WUXGA resolution, with motorized zoom, focus and shift 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 25.5 to 31.8 mm and a 1.25x zoom ratio, with motorized lens shift of vertical ±120 and horizontal ±50. Throw distance spans 1.34 to 16.69 m with a focus range of 50" to 500", covering most standard auditorium, classroom and meeting-room layouts. For wider coverage integrators step down toward shorter GC optics; for longer rooms they move up to the GC lens 1.5-2.0:1 or the GC+ lens 2.0-4.0:1. 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 122 mm front diameter and protrudes 56.79 mm from the projector.

Key Features

• 1.2-1.5:1 standard zoom — common front-projection geometry on the G-series platform.
• 1.25x zoom ratio — focal length 25.5-31.8 mm for image-size adjustment.
• Motorized zoom, focus and shift — full motorized control 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.
• Standard throw distance — 1.34 to 16.69 m throw with a 50" to 500" focus range.
• WUXGA optimized — designed for the WUXGA G-series installation platform.
• Article number R98021831 — genuine Barco GC spare optic for installation and AV integration.

Typical Applications

• Standard fixed auditorium and lecture-hall installs on the G-series platform.
• Corporate boardrooms, classrooms and training rooms at normal throw distance.
• House-of-worship sanctuaries with conventional projector placement.
• General-purpose large-venue and commercial AV installations.

Technical Specifications

Frequently Asked Questions

Which projectors does the GC lens 1.2-1.5:1 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, focus and lens shift.

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

Is this the right lens for a typical room? For most standard auditorium, classroom and meeting-room layouts, the 1.2-1.5:1 range is a default choice.

Is it a genuine Barco part? Yes, it is the genuine Barco GC optic, article number R98021831.