LG CineBeam S PU615U: Specs, Throw Distance & Alternatives
An ultra short throw 4K triple laser projector with LG webOS built in and autofocus. It is rated at 500 ANSI lumens (ProjectorReviews measured 554 in its brightest mode), so it is a dark-room projector, and its 0.25:1 lens sits just inches from the wall. It has no lens shift and no optical zoom.
Is the LG CineBeam S PU615U right for you?
Good for
- Tight spaces: a 0.25:1 ultra short throw lens sits just inches from the wall
- Streaming without extra hardware: LG webOS built in, with native Netflix
- Quick setup: automatic focus and screen adjustment
- HDR10 and HLG content, plus AirPlay 2 and Bluetooth
What to plan for
- 500 ANSI lumens: plan on a dark room
- Screen sizes run from 40 to 100 inches
- No lens shift and a fixed ratio, so the distance from the wall sets the image size
- Light source life is not confirmed
- No input lag figure is published for this model
Based on manufacturer specifications and published reviews (sources below). We don't do hands-on testing.
LG CineBeam S PU615U specs
| Resolution | 4K UHD (3840 × 2160 DLP) |
|---|---|
| Brightness | 500 ANSI lumens (rated; ProjectorReviews measured 554 in its brightest mode) |
| Display technology | DLP |
| Light source | RGB triple laser |
| Light source life | Not confirmed |
| Contrast ratio | 450,000:1 dynamic (as listed by ProjectorReviews) |
| Throw ratio | 0.25:1 |
| Lens shift | None (digital screen shift only) |
| HDMI ports | Not confirmed |
| Speakers | Not confirmed |
| Weight | 4.2 lb |
How far from the screen?
Lens-to-screen distance for a 16:9 image, calculated from its 0.25:1 throw ratio. The lens is fixed, so the distance sets the image size.
| Screen | Distance |
|---|---|
| 80″ | 1' 5" |
| 100″ | 1' 10" |
| 120″ | 2' 2" |
| 150″ | 2' 9" |
LG CineBeam S PU615U alternatives at a similar price
In-stock 4K projectors priced closest to it on Amazon today.
| Model | Price today | Amazon rating | Compare |
|---|---|---|---|
| LG CineBeam S PU615U (this one) | $974 | 3.0★ | — |
| ViewSonic PX701-4K UHD 4K Projector with 3200 Lumens | $976 | 4.2★ | — |
| XGIMI Elfin Flip 4K Portable Projector with wifi and bluetoo | $999 | — | — |
| Optoma UHD38X 4K UHD Projector with High Dynamic Range - Whi | $999 | 3.6★ | — |
| Epson Lifestudio Flex Plus 4K PRO-UHD Portable Lifestyle Pro | $1,000 | 4.1★ | — |
Where it fits
LG CineBeam S PU615U FAQ
- How far from the screen should the LG CineBeam S PU615U be for a 100-inch image?
- About 1' 10" from lens to screen. It has a fixed 0.25:1 lens, so each screen size has one distance.
- Does the LG CineBeam S PU615U have lens shift?
- No. It has no optical lens shift and no optical zoom, only digital screen adjustment, so the image size is set by the distance from the wall.
Sources
- LG CineBeam S PU615U product page
- ProjectorReviews: LG CineBeam S PU615U review
- RTINGS: LG CineBeam S review
Price, stock and rating come from Amazon and update automatically (last checked Nov 15, 2026, 12:00 AM).
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