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PROJECTORS

ViewSonic LSC731WU-ST

exact LSC731WU-ST UK manufacturer catalogue configuration

Projected resolution
1920x1200
Projection technology
3LCD (3x0.64" with MLA)
Light source
Laser Phosphor

ViewSonic LSC731WU-ST in its exact UK manufacturer catalogue configuration. Compare the declared projected image, actual light-source and brightness basis, optical placement and source-listed inputs together.

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THE ACTUAL PRODUCT
ViewSonic LSC731WU-ST — exact-model official product image.
Official product image · Image source detailsProduct imagery does not establish a retailer’s bundle or condition.
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Specifications checked 17 Oct 2026Manufacturer specifications, not a hands-on test.

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The nearest checked projectors by key specifications, with what differs from the ViewSonic LSC731WU-ST. The first matches the Compare button above.

The useful part.

Key strengths

The manufacturer supplies model-specific projection, placement and connection specifications. Use the stated throw ratio, actual image size and lens configuration to plan your installation.

Manufacturer source
The checks that matter.

Before you buy

Manufacturer image and brightness claims are not an independent picture-quality test. Physical imager pixels, input limits, measurement methods, bundled TV devices and regional accessories need their own stated source scope; no overall winner or current stock is established.

Manufacturer source
Every specification. With its source.

Full specifications

Suggest a correctionOur publishing standard

Exact configuration: LSC731WU-ST · exact LSC731WU-ST UK manufacturer catalogue configuration

62 specifications in 7 groups. Values are manufacturer specifications unless a row says “Measured result” or “Calculated from cited specifications”. 6 rows repeat listed facts in the manufacturer’s own wording, kept under “Manufacturer wording”.

Projection & image

6 items
Projected resolution
1920x1200

Source label Native Resolution. This is the manufacturer display/projected-image claim; it does not independently establish the physical DMD/imager pixel grid. Accepted signal resolution remains separate.

Source
Projection technology
3LCD (3x0.64" with MLA)Source
Physical imager pixel grid
Not listed by the manufacturer

A physical imager pixel grid is not separately established by these supplied sources. The declared display/projected resolution and chip diagonal do not fill this field.

Source
Contrast Ratio
3000000:1

Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

Source
Display Color
1.07 Billion Colors

Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

Source
Resolution Support
VGA(640 x 480) to 4K(3840 x 2160)

Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

Source
Manufacturer wording (2)

The same facts in the manufacturer’s combined or original wording, each with its source.

Projection System
3LCD (3x0.64" with MLA)

Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

Source
Native Resolution
1920x1200

Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

Source

Light source & brightness

7 items
Light source
Laser PhosphorSource
Brightness
7300 (ANSI Lumens)

Manufacturer claim. Actual published method: ANSI lumens. Centre brightness, dynamic contrast and other lumen methods remain separate; no conversion or measured performance is asserted. Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected. Source field: Brightness.

Source
Published ANSI brightness
7300 ANSI lm

Actual source field Brightness: 7300 (ANSI Lumens). Manufacturer measurement/mode qualifications remain in the full specifications; no cross-method conversion.

Source
Brightness (Center Lumens)
8300

Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

Source
Light Source Type
Laser Phosphor

Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

Source
Light Source Life (hours) with Normal Mode
20000

Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

Source
Light Source Life (hours) with SuperEco Mode
30000 (Eco)

Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

Source
Manufacturer wording (1)

The same facts in the manufacturer’s combined or original wording, each with its source.

Brightness
7300 (ANSI Lumens)

Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

Source

Lens, placement & image size

13 items
Minimum optical throw ratio
0.679

Exact manufacturer optical throw row: 0.679-0.821. Applies to the listed lens/configuration; digital zoom, keystone and throw distance remain separate.

Source
Maximum optical throw ratio
0.821

Exact manufacturer optical throw row: 0.679-0.821. Applies to the listed lens/configuration; digital zoom, keystone and throw distance remain separate.

Source
Lens
F=1.7-1.8, f=9.66-11.65mm

Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

Source
Projection Offset
0%+/-5%

Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

Source
Optical Zoom
1.2X

Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

Source
Digital Zoom
1.0x-4.0x

Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

Source
Image Size
50"-300"

Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

Source
Throw Distance
0.73-5.31m (100"@1.46m)

Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

Source
Keystone
H:+/-15°, V:+/-10°

Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

Source
Auto Keystone
+/- 10° (V)

Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

Source
Lens Shift V. Range
+50%, 0%

Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

Source
Lens Shift H. Range
+23%, -23%

Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

Source
Wall/Ceiling Mount
PJ-WMK-007

Manufacturer section Optional Accessory. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

Source
Manufacturer wording (2)

The same facts in the manufacturer’s combined or original wording, each with its source.

Throw ratio
0.679-0.821Source
Throw Ratio
0.679-0.821

Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

Source

Connections & accepted signals

16 items
Connections
1 × Computer in (share with component); 2 (HDMI 1.4, HDCP 1.4) (HDMI); 1 × Audio-in (3.5mm); USB Type A (1 (5V/2A)); 1 × HDBaseT; 1 × Monitor out; 1 × Audio-out (3.5mm); Speaker (16W); 1 (USB2.0 - 5V/2A, share with USB A Input) (USB Type A (Power)); 1 × RS232 (DB 9-pin male); 1 × RJ45 (LAN control); 1 × USB Type B (Services)

Source-listed physical inputs, outputs and controls. Service USB, power outputs, connector versions and eARC claims retain their separate scopes; no full-bandwidth or compatibility guarantee inferred. Manufacturer section Input. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected. Source field: Computer in (share with component). Manufacturer section Input. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected. Source field: HDMI. Manufacturer section Input. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected. Source field: Audio-in (3.5mm). Manufacturer section Input. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected. Source field: USB Type A. Manufacturer section Input. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected. Source field: HDBaseT. Manufacturer section Output. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected. Source field: Monitor out. Manufacturer section Output. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected. Source field: Audio-out (3.5mm). Manufacturer section Output. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected. Source field: Speaker. Manufacturer section Output. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected. Source field: USB Type A (Power). Manufacturer section Control. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected. Source field: RS232 (DB 9-pin male). Manufacturer section Control. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected. Source field: RJ45 (LAN control). Manufacturer section Control. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected. Source field: USB Type B (Services).

Source
Input Lag
60ms

Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

Source
HDTV Compatibility
480i, 480p, 576i, 576p, 720p, 1080i, 1080p, 2160p

Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

Source
Horizontal Frequency
15K-100KHz

Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

Source
Vertical Scan Rate
23-85Hz

Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

Source
Computer in (share with component)
1

Manufacturer section Input. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

Source
HDMI
2 (HDMI 1.4, HDCP 1.4)

Manufacturer section Input. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

Source
Audio-in (3.5mm)
1

Manufacturer section Input. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

Source
USB Type A
1 (5V/2A)

Manufacturer section Input. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

Source
HDBaseT
1

Manufacturer section Input. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

Source
Monitor out
1

Manufacturer section Output. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

Source
Audio-out (3.5mm)
1

Manufacturer section Output. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

Source
USB Type A (Power)
1 (USB2.0 - 5V/2A, share with USB A Input)

Manufacturer section Output. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

Source
RS232 (DB 9-pin male)
1

Manufacturer section Control. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

Source
RJ45 (LAN control)
1

Manufacturer section Control. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

Source
USB Type B (Services)
1

Manufacturer section Control. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

Source

Software, audio & accessories

9 items
Speaker
16W

Manufacturer section Output. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

Source
Carton
Brown

Manufacturer section Others. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

Source
OSD Language
English, German, French, Italian, Spanish, Polish, Swedish, Dutch,Portugese, Japanese, Simplified Chinese, Traditional Chinese, Korean, Russian, Turkish, Finnish, Norwegian, Danish, Indonesian, Hungarian, Czech, Kazak, Vietnamese,Thai, Farsi, total 25 languages

Manufacturer section Others. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

Source
User Guide Language
English, S-Chinese, T-Chinese, Indonesian, Finish, French, German, Italian, Japanese, Korean, Polish, Portuguese, Russian, Spanish, Swedish, Turkish, Arabic, Czech, Thai, Vietnamese, total 20 languages

Manufacturer section Others. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

Source
Remote Control
1

Manufacturer section Standard Accessory. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

Source
QSG
Yes

Manufacturer section Standard Accessory. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

Source
Air Filter
Yes

Manufacturer section Standard Accessory. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

Source
Warranty Card
Yes (CN Only)

Manufacturer section Standard Accessory. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

Source
Air Filter
RSPL

Manufacturer section Optional Accessory. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

Source

Size & weight

5 items
Dimensions
405x425x137mm (15.9x16.7x5.4 in)

Manufacturer axes, original measurement units and foot/handle/configuration basis remain literal. Packaging dimensions are separate. Manufacturer section Others. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected. Source field: Dimensions (WxDxH) with Adjustment Foot.

Source
Weight
8100 g

Manufacturer Net Weight: 8.1kg (17.86 lbs). Kilograms normalized to grams; packaging/gross mass and separately listed accessories are not substituted.

Source
Net Weight
8.1kg (17.86 lbs)

Manufacturer section Others. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

Source
Gross Weight
10.73kg (23.66 lbs)

Manufacturer section Others. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

Source
Packing Dimensions
525x520x280mm (20.7x20.5x11 in)

Manufacturer section Others. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

Source
Manufacturer wording (1)

The same facts in the manufacturer’s combined or original wording, each with its source.

Dimensions (WxDxH) with Adjustment Foot
405x425x137mm (15.9x16.7x5.4 in)

Manufacturer section Others. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

Source

Power, noise & operating conditions

6 items
Audible Noise (Normal)
37dB

Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

Source
Audible Noise (Eco)
27dB

Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

Source
Power Supply Voltage
100-240V+/- 10%, 50/60Hz (AC in)

Manufacturer section Others. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

Source
Power Consumption
Normal: 385W Standby: <0.5W

Manufacturer section Others. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

Source
Operating Temperature
0~40℃

Manufacturer section Others. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

Source
Power Cord
1

Manufacturer section Standard Accessory. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

Source
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