ViewSonic LSC701-4K 7,000 ANSI Lumens 4K HDR Laser Installation Projector
- In UK stock, ships from the UK
- UK manufacturer warranty
- UK-based engineers
- No import duty or customs charges
- GBP pricing, UK VAT invoices
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Description
The LSC701-4K is a lamp-free, high-brightness installation projector designed for commercial, educational and public spaces, delivering 7,000 ANSI lumens and a 3,000,000:1 contrast ratio via 3LCD imaging with 2nd generation laser phosphor light source and 4K HDR/HLG support for professional-quality visuals. Dual HDMI 2.0/HDCP 2.2 ports bring 4K content to life, and a 21:9 aspect ratio mode is optimised for Microsoft Teams Rooms. Installation flexibility comes from a 1.6x optical zoom, wide vertical (+66%/0%) and horizontal (±29%) lens shift and ±25°/±30° keystone correction, with images scaling up to 300" for boardrooms, lecture halls, galleries and other large venues. The LSC701-4K is certified for Crestron and Q-SYS, compatible with AMX, PJ Link, ATEN and Extron systems, and its laser light source is rated for up to 30,000 hours, giving low-maintenance, centrally-manageable operation for demanding installation environments.
Key features
3LCD imaging with HDR/HLG support over dual HDMI 2.0.
Aspect ratio optimised for modern collaboration spaces.
Vertical +66%/0%, horizontal ±29% for flexible mounting.
Also compatible with AMX, PJ Link, ATEN and Extron.
Technical specifications
Throw distance guide
With its 1.2–2:1 throw ratio, here's how far the projector needs to sit from the screen for common 16:9 image sizes. Try our throw distance calculator for your exact room.
| Image size | Image dimensions | Lens distance range |
|---|---|---|
| 40" | 0.89 m × 0.50 m | 1.1 m – 1.8 m |
| 60" | 1.33 m × 0.75 m | 1.6 m – 2.7 m |
| 80" | 1.77 m × 1.00 m | 2.1 m – 3.5 m |
| 100" | 2.21 m × 1.25 m | 2.7 m – 4.4 m |
| 120" | 2.66 m × 1.49 m | 3.2 m – 5.3 m |
| 150" | 3.32 m × 1.87 m | 4.0 m – 6.6 m |
| 200" | 4.43 m × 2.49 m | 5.3 m – 8.9 m |
| 250" | 5.53 m × 3.11 m | 6.6 m – 11 m |
| 300" | 6.64 m × 3.74 m | 8.0 m – 13 m |
Planning from a real wall? Use the projector room planner to upload a photo, preview the image to scale and find projectors that fit within your maximum available space.
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.
Documents
Frequently asked questions
How bright is the ViewSonic LSC701-4K and what environments suit it?
It delivers 7,000 ANSI lumens with a 3,000,000:1 contrast ratio, designed for commercial, educational and public spaces.
How far from the screen does the LSC701-4K need to sit?
Its throw ratio is 1.2-2.0:1 with a 1.6x optical zoom. For a 100" image (about 2.15m wide at 16:10), that's roughly 2.6m-4.3m back, with wide vertical (+66%/0%) and horizontal (±29%) lens shift for flexible mounting.
How long does the laser light source last?
Up to 30,000 hours in Eco mode (20,000 hours in Normal mode).
Is the LSC701-4K suited to Microsoft Teams Rooms?
Yes - it includes a dedicated 21:9 aspect ratio mode optimised for Microsoft Teams Rooms.
What control systems is the LSC701-4K certified for?
It's certified for Crestron and Q-SYS, and also compatible with AMX, PJ Link, ATEN and Extron systems.
Is the LSC701-4K currently in stock at TopAV?
Stock is currently low, with 1 unit remaining. It will dispatch within 2 working days while available - contact TopAV to check current availability.
Delivery & returns
Estimated delivery 29 Aug - 2 Sept. UK mainland delivery only — some large or made-to-order items may carry longer lead times.
Unused items in original packaging can be returned within 14 days of delivery. Faulty items are covered under manufacturer warranty.
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.
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 — no card payment required. Purchase orders and credit terms are for education customers only.
All transactions are processed over an encrypted, secure checkout.
Need help specifying this for your space?
Ask Andrew — he knows the full catalogue and can advise on installation, mounting and compatible AV systems.