Home / Installation & Large-Venue Projectors / ViewSonic LSC731WU-ST 7,300 ANSI Lumens WUXGA Short Throw Projector

ViewSonic

ViewSonic LSC731WU-ST 7,300 ANSI Lumens WUXGA Short Throw Projector

Name: ViewSonic LSC731WU-ST 7,300 ANSI Lumens WUXGA Short Throw Projector
Brand: ViewSonic
SKU: LSC731WU-ST
Price: 3539.75 GBP
Availability: InStock

Return within 14 days

3-year manufacturer warranty

Installation services available

£3,539.75inc. VAT

£2,949.79 ex. VAT

In stock, dispatched within 2 working days

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Bought in the UK, backed in the UKWhy it matters →

In UK stock, ships from the UK
UK manufacturer warranty
UK-based engineers
No import duty or customs charges
GBP pricing, UK VAT invoices

Return within 14 days

3-year manufacturer warranty

Installation services available

Call 01342 580255

Key specifications

Center Lumens8,300

Native Resolution1920x1200 (WUXGA)

Light Source Life (Normal)20,000 hours

Light Source Life (Eco)30,000 hours

Control CertificationCrestron, Q-SYS, AMX, PJ Link, ATEN, Extron

ResolutionWUXGA (1920 x 1200)

White Light Output7,300 ANSI lumens

Contrast Ratio3,000,000:1

All 28 specifications

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Description

The LSC731WU-ST is the short-throw variant of ViewSonic's LSC731WU, using 3LCD imaging and 2nd generation laser phosphor light source to deliver 7,300 ANSI lumens and a 3,000,000:1 contrast ratio at native WUXGA (1920x1200) resolution, scaling up to 300".

Also in this range:LSC601WU-ST Full specifications Compare alternatives

A 0.679-0.821 short-throw ratio suits confined installation spaces, and a 1.2x optical zoom with horizontal/vertical lens shift and ±15°/±10° keystone correction (plus ±10° auto vertical keystone) give flexibility across boardrooms and Microsoft Teams Rooms-optimised 21:9 layouts, backed by 360-degree projection support.

Connectivity includes dual HDMI, a computer input, HDBaseT, RJ45 LAN and RS232, with Crestron and Q-SYS certification and compatibility for AMX, PJ Link, ATEN and Extron systems. A light source rated for up to 30,000 hours keeps this short-throw model low-maintenance for long-term commercial use.

Call 01342 580255

Key features

7,300 ANSI Lumens, Short Throw

0.679-0.821 throw ratio 3LCD projector for confined spaces.

21:9 Microsoft Teams Rooms Mode

Aspect ratio optimised for modern collaboration spaces.

H/V Lens Shift & Auto Keystone

1.2x optical zoom with automatic vertical keystone correction.

Crestron & Q-SYS Certified

Also compatible with AMX, PJ Link, ATEN and Extron.

Technical specifications

Choose a section to view its specifications.

Display (6)

Native Resolution: 1920x1200 (WUXGA)
Resolution: WUXGA (1920 x 1200)
Contrast Ratio: 3,000,000:1
Aspect Ratio: 16:10
Screen Size Range: 50 - 300 inches
Brightness: 7,300 ANSI lumens

Connectivity (3)

White Light Output: 7,300 ANSI lumens
Connectivity: 2 x HDMI 1.4, HDBaseT, VGA in, VGA out, RJ45 LAN, RS-232, 1 x USB-A, 3.5 mm audio in, 3.5 mm audio out
Optical Zoom: 1.2x optical

Audio (1)

Audio: 16 W speaker

Power & Physical (5)

Power Consumption: 385 W (normal), <0.5 W standby
Dimensions (W x D x H): 405 x 425 x 137 mm
Weight: 8.1 kg
Image Size: 50 - 300 inches
Dimensions: 405 x 425 x 137 mm

Certifications & Warranty (2)

Control Certification: Crestron, Q-SYS, AMX, PJ Link, ATEN, Extron
Warranty: 3 years

General (11)

Center Lumens: 8,300
Light Source Life (Normal): 20,000 hours
Light Source Life (Eco): 30,000 hours
Projection Technology: 3LCD (3 x 0.64" panels with MLA)
Light Source: Laser phosphor, 20,000 h (normal) / 30,000 h (SuperEco)
Throw Ratio: 0.679 - 0.821:1
Zoom: 1.2x optical
Lens Shift: V +50% / 0%, H +23% / -23%
Projection Distance: 0.73 - 5.31 m
Keystone Correction: H ±15°, V ±10°
Noise Level: 37 dB (normal), 27 dB (eco)

Call 01342 580255

Throw distance guide

With its 0.679 to 0.821:1 throw ratio, here's how far the projector needs to sit from the screen for common 16:10 image sizes. Try our throw distance calculator for your exact room.

Supported image: 50″ to 300″ diagonalLens distance: 0.73 to 5.31 m

Try a size

100"

16:10 diagonal image

Image

2.15 m × 1.35 m

Lens position

1.5 m to 1.8 m

Side view: drag the projector to try its available lens positions

Position fits

Manufacturer lens-distance limit: 0.7 m to 5.3 m. The dotted lines show the usable zoom positions for this picture size.

Image size	Image dimensions	Lens distance range
60"	1.29 m × 0.81 m	0.9 m to 1.1 m
80"	1.72 m × 1.08 m	1.2 m to 1.4 m
100"	2.15 m × 1.35 m	1.5 m to 1.8 m
120"	2.58 m × 1.62 m	1.8 m to 2.1 m
150"	3.23 m × 2.02 m	2.2 m to 2.7 m
200"	4.31 m × 2.69 m	2.9 m to 3.5 m
250"	5.38 m × 3.37 m	3.7 m to 4.4 m
300"	6.46 m × 4.04 m	4.4 m to 5.3 m

Planning from a real wall? Use the projector screen size calculator to upload a photo, preview the image to scale and find projectors that fit within your maximum available space. Replacing an existing projector? The projector replacement calculator checks whether this lens covers the ratio your current mount needs.

Distances are lens-to-screen, calculated from the manufacturer's stated throw ratio; allow for lens shift and mounting hardware. Always confirm against the manufacturer's installation guide before fixing mounts.

See it on your wall, to scale

Choose a picture size, then upload a wall photo, or scan the QR code and take it on your phone. We'll show the projected picture at its real size.

Picture size

100" 16:10 · 2.15 m × 1.35 m

On a computer, the QR code sends your phone photo straight back to this page.

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Complete your setup

Optional extras that fit this product. Tick anything you need and it joins the same basket — or add this product on its own from the buy box above.

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Video Conferencing

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Professional Installation

Want it installed by our AV experts? We offer professional on-site installation including mounting, cable management, and system configuration.

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Your Configuration

ViewSonic LSC731WU-ST 7,300 ANSI Lumens WUXGA Short Throw Projector × 1£3,539.75

Total£3,539.75

inc. VAT

Frequently asked questions

How close to the screen can the LSC731WU-ST sit?

Its short-throw ratio of 0.679-0.821 means for a 100-inch WUXGA (16:10) image (about 2.15m wide) it needs to sit roughly 1.46m to 1.77m away, scaling up to a maximum image size of 300 inches.

How bright is the LSC731WU-ST?

It delivers 7,300 ANSI lumens (8,300 lumens centre) at native WUXGA resolution with a 3,000,000:1 contrast ratio.

How long does the LSC731WU-ST's light source last?

Its 2nd-generation laser phosphor source is rated for up to 20,000 hours in Normal mode and 30,000 hours in Eco mode.

Is the LSC731WU-ST suited to Microsoft Teams Rooms?

Yes, it includes a 21:9 Teams Rooms mode, an aspect ratio optimised for modern collaboration spaces.

What control system integration does the LSC731WU-ST support?

It's Crestron and Q-SYS certified, and also compatible with AMX, PJ Link, ATEN and Extron systems.

What warranty and delivery timeline apply to the LSC731WU-ST?

It carries a 3-year (36-month) warranty. It's in stock at TopAV, so dispatch is within 2 working days.

Delivery & returns

Estimated delivery 10 Oct - 14 Oct. UK mainland delivery only. Some large or made-to-order items carry longer lead times, shown on the product page.

Unused items in original packaging can be returned within 14 days of delivery — see the returns policy for how business and consumer returns differ. Faulty items are covered under manufacturer warranty and by your statutory rights.

Full delivery & returns policy

Bought in the UK, backed in the UK

This item is in UK stock and ships to you from within the UK, so the order never crosses a customs border on its way to you.
The manufacturer warranty is honoured here in the UK. If something fails, you deal with us, not with an overseas seller in another time zone.
Our own UK-based engineers install, commission and support what we sell, and can attend site when a system needs hands on it.
Delivered within the UK mainland, so there is no import duty, customs charge or courier handling fee waiting for you on delivery.
Prices are in pounds sterling with proper UK VAT invoices, and purchase orders are accepted from approved education accounts: no currency conversion and no surprises at the door.

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Payment & security

Pay securely by card. Education customers can apply for a 30-day purchase order account.

Schools, colleges, sixth forms, universities and multi-academy trusts can order on invoice, with no card payment required. Purchase orders and credit terms are for education customers only.

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