ProjectorDB

LG ProBeam BF50RG vs Optoma ZH451

LG ProBeam BF50RG is sharper. Optoma ZH451 is lighter.

LG ProBeam BF50RGMSRP $2,399
Optoma ZH451
Key differences
White light output
5,000 lm ANSI4,600 lm ISO
Native resolution
WUXGA (1920 × 1200)1080p (1920 × 1080)
Throw ratio
1.3–2.08:11.4–2.24:1
Lowest input lag
—8.6 msDerived
Fan noise
Max 33 dB(A) · Eco 29 dB(A)Max 31 dB(A) · Eco 29 dB(A)
MSRP
$2,399—
Room fit
Distance to screen
2.8–4.5 m3.1–5.0 m
Picture
White light output
5,000 lm ANSI4,600 lm ISO
Brightness uniformity
85%75%
Imaging technology
DLPDLP
Native resolution
WUXGA (1920 × 1200)1080p (1920 × 1080)
Native aspect
16:10Derived16:9Derived
Dynamic contrast
3,000,000:13,000,000:1
Colour bit depth (per channel)
—10 bit
Tone mapping
Dynamic—
3D
—Yes
3D formats
—Frame packing, Side-by-side, Top-bottom
3D glasses sync
—DLP-Link
Light source
Light source
Laser (phosphor)Laser (phosphor)
Light-source life
Up to 20,000 h30,000 h
Light output control
—Steps
Optics
Throw ratio
1.3–2.08:11.4–2.24:1
Image size
40–300 in30–300 in
Projection offset
—116%
Zoom
OpticalOptical
Zoom ratio
1.6×Derived1.6×Derived
Focal length
—20.91–32.62 mm
Aperture (f-number)
—2.5–3.26
Focus
ManualManual
Autofocus
NoNo
Vertical lens shift
±50%—
Horizontal lens shift
±20%—
Vertical keystone
—30°
Horizontal keystone
—30°
Auto keystone
No—
Corner correction
—4-corner
Grid warp
Yes—
Motion & gaming
Frame interpolation (MEMC)
Yes—
Input lag
—1080p: 60 Hz 17 ms · 120 Hz 8.6 ms · 4K UHD: 60 Hz 16.9 ms
Inputs & control
HDMI inputs
2 × HDMI 2.0 (HDCP 2.2)2 × HDMI 2.0
Other video inputs
—VGA
Max input resolution
DCI 4K4K UHD
Audio inputs
—3.5 mm
USB media playback
Yes—
Control ports
RS-232RS-232, 12 V trigger
PJLink
—Class 2
Control-system drivers
CrestronCrestron, AMX
Horizontal scan
—15–135 kHz
Vertical scan
—24–120 Hz
Smart platform
Ethernet
YesYes
Smart platform
webOS—
OS version
6—
Storage
8 GB—
Casting
Miracast—
Audio
Speaker power
10 W15 W
Speakers
21
Layout
—Mono
Audio outputs
3.5 mm, HDMI ARC3.5 mm
HDMI audio return
ARCDerivedNoneDerived
Physical & installation
Dimensions (W × D × H)
370 × 290 × 156 mm274 × 216 × 114 mm
Weight
9,200 g2,998 g
Colours
Black, White—
Orientations
Table, Ceiling, RearTable, Ceiling, Rear, Portrait, 360°
Ceiling mount
M4M4, screws ≥ 10 mm
Ingress protection
—IP6X
Environment & power
Operating temperature
0–40°C0–40°C
Operating humidity
0–80%RH0–80%RH
Altitude
High-altitude mode2,500 m · high-altitude mode
Power draw
Max 400 WMax 170 W · Eco 120 W
Standby
Up to 0.5 WUp to 0.5 W
Power supply
Built inExternal adapter
Mains input
100–240 V · 50/60 Hz100–240 V · 50/60 Hz
Fan noise
Max 33 dB(A) · Eco 29 dB(A)Max 31 dB(A) · Eco 29 dB(A)
Safety & support
Laser class
Class 1Class 1
Risk group
RG2RG2
Marks
CE, FCC, ETL, CCC, PSEFCC
Warranty
3 yr—
User manual
—https://region-resource.optoma.com/products/documents/mpTwkm9mUWvfsgMhppFmV04EqeoeeRYWmvKy7tBF.pdf
In the box
In the box
Power cord, Remote, Remote batteries, User manualPower cord, Remote, Remote batteries, User manual