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Comparison

ProBeam BU53RG vs ZU507TST

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A side-by-side look at how the LG ProBeam BU53RG and Optoma ZU507TST compare on specs, accuracy, room requirements, and price. No hype — just the parts of the decision a buyer actually weighs.

Buy ZU507TST

Prices confirmed Nov 10, 2026 · we check every retailer daily

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Full specificationsEvery spec for both, line by line

Specifications

The numbers, lined up.

Image

  • Resolution
    ProBeam BU53RG4K UHD (XPR pixel-shift)
    ZU507TSTWUXGA (1920×1200), 16:10
  • Lumens
    ProBeam BU53RG5,000 ANSI
    ZU507TST5,000 (standard not stated)
  • HDR
    ProBeam BU53RGYes (LG does not name the formats)
    ZU507TST—

Hardware

  • Light Source
    ProBeam BU53RGLaser (up to 15,000 hours per LG's product page; its spec sheet says 20,000)
    ZU507TSTDuraCore laser (30,000 hours)
  • Throw Ratio
    ProBeam BU53RG0.94–1.107 to plan with (1.2× zoom): LG's spec says 0.94–1.14, its manual's throw tables 0.91–1.107
    ZU507TST0.58:1 (fixed)
  • Lens Shift
    ProBeam BU53RGH ±20% / V ±50%
    ZU507TSTVertical 100%–110%, horizontal ±4% (manual)
  • Dimensions
    ProBeam BU53RG—
    ZU507TST14.72 × 11.89 × 4.61 in (W × D × H)

Requirements

  • Throw Distance
    ProBeam BU53RG—
    ZU507TST100 in (16:10) at about 4.1 ft (Optoma's manual)

Performance

  • Input Lag
    ProBeam BU53RG—
    ZU507TST16.2 ms at 1080p/60Hz and 8.2 ms at 1080p/120Hz with Gaming Mode on; 49.5 ms with it off (Optoma's manual)

Room planner

See each one in your sim room.

The planner draws each unit to scale with your room and your swing: where it mounts, the throw it needs, and whether your shadow crosses the light. Put in your room once, then switch units in the planner to compare.

Persona fitWho each one is better for

Who each one is better for

Honest persona fit, side by side.

Better for ProBeam BU53RG

  • Showroom

    Lens shift + 5,000 lumens lets a professional installer place the projector off-center and still align the image without keystone, for about $1,100 less than the LK936ST (which has slightly more shift range).

  • Performance Seeker

    Brightness and lens-shift alignment preserve full 4K detail (no keystone) for serious data review.

Build your simulator in two minutes

Five questions. One tailored build with retailer links.

We ask about your budget, your room, and how you’ll use it. We return a complete build — launch monitor, mat, enclosure, projector, software, PC — with the reasoning behind every pick and the alternatives we considered.