ProjectorDB

LG ProBeam BF50RG vs Optoma ZH400ST

LG ProBeam BF50RG is $200 cheaper and sharper. Optoma ZH400ST is lighter.

LG ProBeam BF50RGMSRP $2,399
Optoma ZH400STMSRP $2,599
Key differences
White light output
5,000 lm ANSI—
Native resolution
WUXGA (1920 × 1200)1080p (1920 × 1080)
Throw ratio
1.3–2.08:10.5:1
Lowest input lag
—17 msDerived
HDR formats
—HDR10, HLG
Fan noise
Max 33 dB(A) · Eco 29 dB(A)Max 36 dB(A)
MSRP
$2,399$2,599
Room fit
Distance to screen
2.8–4.5 m1.1 m
Picture
White light output
5,000 lm ANSI—
Claimed brightness (non-standard)
—4,000 lm
Brightness uniformity
85%75%
Imaging technology
DLPDLP
Chip / panel diagonal
—0.65 in
Native resolution
WUXGA (1920 × 1200)1080p (1920 × 1080)
Native aspect
16:10Derived16:9Derived
Dynamic contrast
3,000,000:12,000,000:1
Colour bit depth (per channel)
—10 bit
HDR formats
—HDR10, HLG
Tone mapping
Dynamic—
3D
—Yes
3D glasses sync
—DLP-Link
Light source
Light source
Laser (phosphor)Laser (phosphor)
Emitter
—Blue laser + phosphor
Light engine
—DuraCore
Light-source life
Up to 20,000 h30,000 h
Optics
Throw ratio
1.3–2.08:10.5:1
Image size
40–300 in36–292 in
Projection offset
—116%
Zoom
OpticalNone
Zoom ratio
1.6×Derived—
Focal length
—7.51 mm
Aperture (f-number)
—2.8
Focus
Manual—
Autofocus
No—
Vertical lens shift
±50%None
Horizontal lens shift
±20%None
Vertical keystone
—30°
Horizontal keystone
—30°
Auto keystone
No—
Grid warp
Yes—
Motion & gaming
Frame interpolation (MEMC)
Yes—
Input lag
—1080p: 60 Hz 33.8 ms · 120 Hz 17 ms
Inputs & control
HDMI inputs
2 × HDMI 2.0 (HDCP 2.2)2 × HDMI 2.0
Max input resolution
DCI 4K—
USB media playback
Yes—
Control ports
RS-232RS-232
PJLink
—Class 1
Control-system drivers
CrestronCrestron, AMX
Horizontal scan
—15–140 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
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, RearPortrait, 360°
Ceiling mount
M4M4, screws ≥ 10 mm
Ingress protection
—IP6X
Environment & power
Operating temperature
0–40°C0–40°C
Operating humidity
0–80%RH—
Altitude
High-altitude mode2,500 m
Power draw
Max 400 WMax 173 W · Eco 119 W
Standby
Up to 0.5 WUp to 0.5 WPreliminary
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 36 dB(A)
Safety & support
Laser class
Class 1Class 1
Risk group
RG2RG2
FDA laser notice
—Notice 57
Marks
CE, FCC, ETL, CCC, PSE—
Warranty
3 yr3 yr (light source 5 yr or 12,000 h)
User manual
—https://region-resource.optoma.com/products/import/Documents/f141af2c-7d8e-4d73-952f-5a86d8e9c891.pdf
In the box
In the box
Power cord, Remote, Remote batteries, User manualPower cord, Remote, Remote batteries, Quick start guide