ViewSonic LX700-4K: Specs, Throw Distance & Alternatives
A 4K UHD gaming projector with a laser phosphor light source. ViewSonic rates it at 3,500 ANSI lumens and 4.2 ms input lag at 1080p/240 in Ultra-Fast Input mode, and ProjectorCentral measured 18 ms at 4K/60. It has a small vertical lens shift but no smart TV system or built-in wireless.
Is the ViewSonic LX700-4K right for you?
Good for
- Console gaming at 4K/60: 18 ms measured by ProjectorCentral
- High-refresh PC gaming at 1080p/240 (rated 4.2 ms)
- HDR10 and HLG content, with a 15 W built-in speaker
- Soundbars and AV receivers: HDMI 2 supports eARC
What to plan for
- No smart TV system and no built-in wireless: add a streaming stick (the USB-A port supplies power); ViewSonic sells optional casting kits
- Lens shift is vertical only, and focus is manual
- Two HDMI 2.0 ports: no 4K/120, and 240 Hz works at 1080p only
- Keystone correction is disabled in Ultra-Fast Input mode
- Light source rated for 20,000 hours in Normal mode (30,000 in SuperEco)
Based on manufacturer specifications and published reviews (sources below). We don't do hands-on testing.
ViewSonic LX700-4K specs
| Resolution | 4K UHD (3840 × 2160, 0.65-inch DLP with 4-way XPR pixel shift) |
|---|---|
| Brightness | 3,500 ANSI lumens (ViewSonic rating; ProjectorCentral measured 3,091) |
| Display technology | DLP |
| Light source | Laser phosphor |
| Light source life | 20,000 hours |
| Contrast ratio | 3,000,000:1 dynamic (ViewSonic rating; ProjectorCentral measured 1,318:1 native) |
| Throw ratio | 1.06-1.45:1 |
| Lens shift | Vertical 0% to −15% (manual); no horizontal shift |
| Max refresh rate | 240 Hz |
| HDMI ports | 2 (HDMI 2.0) |
| Speakers | 15 W |
| Weight | 7.3 lb |
How far from the screen?
Lens-to-screen distance for a 16:9 image, calculated from its 1.06-1.45:1 throw ratio. The zoom lets you place it anywhere in the range.
| Screen | Closest | Farthest |
|---|---|---|
| 80″ | 6' 2" | 8' 5" |
| 100″ | 7' 8" | 10' 6" |
| 120″ | 9' 3" | 12' 8" |
| 150″ | 11' 7" | 15' 10" |
ViewSonic LX700-4K input lag by mode
| Signal | Input lag |
|---|---|
| 1080p / 240 Hz (Ultra-Fast Input) | 4.2 ms (ViewSonic rating; ProjectorCentral measured 5 ms) |
| 1080p / 120 Hz | 9 ms |
| 4K / 60 Hz | 18 ms |
| 1080p / 60 Hz | 18 ms |
Source: measured by ProjectorCentral; the 4.2 ms figure is ViewSonic’s rating. Its fastest figure (4.2 ms (ViewSonic rating; ProjectorCentral measured 5 ms) at 1080p / 240 Hz (Ultra-Fast Input)) is quicker than 77 of the 96 projectors with a lag figure in our input lag database, which lists each model's fastest mode.
ViewSonic LX700-4K alternatives at a similar price
In-stock 4K projectors priced closest to it on Amazon today.
| Model | Price today | Amazon rating | Compare |
|---|---|---|---|
| ViewSonic LX700-4K (this one) | $1,239 | 4.0★ | — |
| BenQ TK800M 4K UHD Home Theater Projector with HDR and HLG | $1,276 | 4.5★ | — |
| Optoma UHZ36 4K UHD Laser HDR Home Theater Projector - Black | $1,199 | 4.0★ | — |
| BenQ TK700 4K HDR Gaming Projector | $1,299 | 4.0★ | — |
| Optoma UHD35STX 4K UHD Short Throw Gaming and Home Entertain | $1,299 | 3.2★ | — |
Where it fits
ViewSonic LX700-4K FAQ
- How far from the screen should the ViewSonic LX700-4K be for a 100-inch image?
- Between 7' 8" and 10' 6" from lens to screen, depending on the zoom setting (throw ratio 1.06-1.45:1).
- What is the input lag of the ViewSonic LX700-4K?
- 1080p / 240 Hz (Ultra-Fast Input): 4.2 ms (ViewSonic rating; ProjectorCentral measured 5 ms); 1080p / 120 Hz: 9 ms; 4K / 60 Hz: 18 ms; 1080p / 60 Hz: 18 ms. Source: measured by ProjectorCentral; the 4.2 ms figure is ViewSonic’s rating.
- Is the ViewSonic LX700-4K native 4K?
- No. Its resolution is 4K UHD (3840 × 2160, 0.65-inch DLP with 4-way XPR pixel shift). It builds the 4K image with pixel shifting instead of a native 3840 × 2160 chip or panel.
- Does the ViewSonic LX700-4K have lens shift?
- Yes, but only a small vertical shift (0% to −15%). It has no horizontal lens shift, and a 1.36x manual zoom.
Sources
- ViewSonic LX700-4K specifications
- ViewSonic LX700-4K product page (ViewSonic Europe)
- ProjectorCentral: ViewSonic LX700-4K
Price, stock and rating come from Amazon and update automatically (last checked Nov 15, 2026, 12:00 AM).
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