— Projector Throw · Premium home cinema
Epson Home Cinema LS11000 — throw distance & placement
Problem. A premium home cinema wants a 120-inch 16:9 screen and needs to know how much room-layout freedom the Epson Home Cinema LS11000's zoom lens actually gives, since the projector position is rarely fixed at the design stage.
Answer. For a 120-inch 16:9 screen (2.66 m wide), the Epson Home Cinema LS11000's 1.35-2.84:1 zoom range puts it anywhere from 3.59 m to 7.55 m from the screen. That 2.1x zoom span means the same 120-inch image is achievable from a near mid-room shelf or from close to the back wall, without changing screen size.
02 / In depth
How this preset reads — the engineering view.
The Home Cinema LS11000 uses a zoom lens, not fixed-throw or UST optics, so the same image size can be hit from a range of distances rather than one exact spot. At 120 inches 16:9 that range is 3.59-7.55 m — wide enough to work around a doorway, a rear seating row or an existing shelf without resizing the screen.
2500 lumens paired with laser illumination suits a room with real light control — blackout curtains or a dedicated cinema space — rather than a bright, uncurtained living room. The native 1920x1080 panel is built for Full HD source material and upscaled 4K content, not framed as a native 4K chip. Laser also means no lamp-replacement cycle to plan for over the unit's service life.
Drag the screen-size slider on the calculator to see the throw window shift — larger screens need more distance at both ends of the 1.35-2.84:1 range, smaller screens pull the whole window closer to the wall. The zoom range is what gives you placement latitude; lens shift (if fitted on this body) adds vertical/horizontal offset without moving the projector itself.
The calculator confirms throw distance and image size only. It does not decide screen gain or ALR treatment, ambient-light rejection for a non-blackout room, ceiling or shelf mount hardware, which exact lens variant ships on interchangeable-lens bodies, or the audio system around the screen — those are separate specification steps.
What this preset deliberately does not solve
- 1920x1080 native resolution is Full HD, not native 4K — plan expectations against source content accordingly.
- 2500 lumens performs best with genuine light control; an uncurtained daytime room will wash out contrast.
- The 3.59-7.55 m range assumes zero lens shift; using lens shift to correct offset position can narrow the usable throw window.
How this preset differs from its siblings
Against other premium home cinema projectors in the catalogue, the LS11000's 1.35-2.84:1 zoom is a wide-latitude range rather than a fixed or near-fixed ratio, which is why its throw window (3.59-7.55 m) spans over twice its shortest distance for the same screen. Its 2500-lumen, native 1080p, laser-illuminated profile is also a distinct combination from higher-lumen or native-4K siblings in the same category, so the placement and brightness trade-offs are specific to this model rather than generic to "premium home cinema."
02 / What that means, drawn
Side view, drawn to one scale in both directions. The screen is 2.66 m wide by 1.49 m high, and the projector stands 5.57 m from it. The current zoom position is what the projector is drawn at. The window of mount positions Home Cinema LS11000 allows at this image width runs from 3.59 m to 7.54 m from the screen. The projector sits inside that window, with 1.98 m to spare towards the screen and 1.98 m to spare away from it. The recorded vertical shift lets the lens axis sit up to 1.43 m off the image centre at this image height; that window is marked at the projector.
03 / Hydrated calculator
Try the configuration — live.
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