Exact source record · ID 89368436Viewsonic / Projectors
Viewsonic LS921WU
Model LS921WU · Source ID 89368436
Viewsonic LS921WU is a home theater projector with contrast ratio (dynamic) of 3000000:1 and projector brightness of 6000 ANSI lumens. ProductFindr ties this page to source product ID 89368436 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.
Contrast ratio (dynamic)
3000000:1
Projector brightness
6000 ANSI lumens
Projector native resolution
WUXGA (1920x1200)
Light source type
Laser
Service life of light source
20000 h
Zoom capability
Yes
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.
ProductFindr keeps the source field names visible so a user or answer engine can distinguish recorded facts from editorial guidance.
- Smart projector
- No
- Screen size compatibility
- 762 - 7620 mm (30 - 300")
- Projection distance
- 1.04 - 3.83 m
- Contrast ratio (dynamic)
- 3000000:1
- Projector brightness
- 6000 ANSI lumens
- Projection technology
- DMD
- Projector native resolution
- WUXGA (1920x1200)
- Native aspect ratio
- 16:10
- Number of colours
- 1.07 billion colours
- Horizontal scan range
- 15 - 135 kHz
- Vertical scan range
- 23 - 120 Hz
- Keystone correction, horizontal
- -40 - 40°
- Keystone correction, vertical
- -40 - 40°
- Light source type
- Laser
- Service life of light source
- 20000 h
- Lamp power
- 74 W
- Lamps quantity
- 2 lamp(s)
- Focus
- Manual
- Focal length range
- 8.6 - 9.4 mm
- Aperture range (F-F)
- 1.83 - 1.86
- Zoom capability
- Yes
- Zoom type
- Manual
- Zoom ratio
- 2.0:1
- Throw ratio
- 0.81-0.89
- Horizontal lens shift range
- 50 - -50%
- Vertical lens shift range
- 23 - -23%
- Offset
- 0%
- Analog signal format system
- NTSC, PAL, SECAM
- Full HD
- Yes
- Supported graphics resolutions
- 640 x 480 (VGA), 3840 x 2160
- HDMI connector type
- Full-size
- HDMI version
- 2.0b
- S-Video inputs quantity
- 1
- HDBaseT port
- Yes
- USB 2.0 ports quantity
- 1
- USB 2.0 Type-A ports quantity
- 1
- Audio (L/R) in
- 1
- Headphone outputs
- 1
- Microphone in
- Yes
- Serial interface type
- RS-232
Image evidence
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SOURCE ID 89368436 · 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.