Exact source record · ID 87327865Viewsonic / Projectors
Viewsonic LS831WU
Model LS831WU · Source ID 87327865
Viewsonic LS831WU is a home theater projector with projector brightness of 4500 ANSI lumens and projector native resolution of WUXGA (1920x1200). ProductFindr ties this page to source product ID 87327865 and separates verified product facts from optional retailer offers.
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Decision specifications
Facts that change the room.
Throw geometry, brightness, resolution and HDR support.
Projector brightness
4500 ANSI lumens
Projector native resolution
WUXGA (1920x1200)
Contrast ratio (typical)
3000000:1
Light source type
Laser
Service life of light source
20000 h
Zoom type
Fixed
Compatibility before checkout
Questions the SKU still has to answer.
These checks prevent a technically good product from becoming the wrong product for a specific room or signal chain.
- 01
Does the published throw ratio create the target image from the available lens distance?
- 02
Is the rated brightness appropriate for the screen size, gain and ambient light?
- 03
Do lens shift, zoom and mounting limits work at the planned ceiling position?
Source-backed specification ledger
The facts behind the answer.
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- Screen size compatibility
- 1778 - 5080 mm (70 - 200")
- Projection distance
- 0.06 - 0.72 m
- Projector brightness
- 4500 ANSI lumens
- Projection technology
- DMD
- Projector native resolution
- WUXGA (1920x1200)
- Contrast ratio (typical)
- 3000000:1
- Number of colours
- 1.073 billion colours
- Horizontal scan range
- 15 - 102 kHz
- Vertical scan range
- 23 - 120 Hz
- Keystone correction, horizontal
- -5 - 5°
- Keystone correction, vertical
- -5 - 5°
- Matrix size
- 1.22 cm (0.48")
- Light source type
- Laser
- Service life of light source
- 20000 h
- Lamp power
- 67 W
- Lamps quantity
- 2 lamp(s)
- Focus
- Manual
- Fixed focal length
- 2.44 mm
- Aperture range (F-F)
- 2 - 2
- Zoom type
- Fixed
- Throw ratio
- 0.252
- Offset
- 140%
- Analog signal format system
- NTSC, PAL, SECAM
- Full HD
- Yes
- Supported graphics resolutions
- 640 x 480 (VGA), 3840 x 2160
- Supported video modes
- 480i, 480p, 576i, 576p, 720p, 1080i, 1080p, 2160p
- HDMI connector type
- Full-size
- HDMI version
- 2.0
- S-Video inputs quantity
- 1
- HDBaseT port
- Yes
- USB 2.0 ports quantity
- 1
- Audio (L/R) in
- 1
- Serial interface type
- RS-232
- PC Audio in
- Yes
- PC Audio out
- Yes
- VGA (D-Sub) ports quantity
- 2
- HDMI ports quantity
- 2
- Composite video in
- 1
- Component video (YPbPr/YCbCr) in
- 1
- DVI port
- No
Image evidence
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The displayed image comes from the exact, brand-authorized Open Icecat product record.
SOURCE ID 87327865 · source-verified
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Product records and images in this Home Theater catalog originate from Open Icecat and their respective copyright holders. The Open Icecat-derived catalog remains available at no charge under the Open Content License v1.4.
Modified by ProductFindr on 2026-08-08: source fields were normalized, deterministic summaries were assembled from recorded specifications, and source images were resized to a maximum of 1,200 pixels and converted to WebP. No generative model creates these product facts. Open Icecat content is provided as is, without warranty. ProductFindr's interface and independent room guidance are separate original work.