Panasonic PT-LB426 vs ViewSonic LS711HD

Panasonic PT-LB426 is lighter. ViewSonic LS711HD is sharper and quieter.

Key differences
White light outputANSI
4,100 lm ISO (Normal power, Dynamic mode) · 4,100 lm ANSI4,200 lm ANSI
Native resolution
1024 × 7681080p (1920 × 1080)
Throw ratio
1.48–1.78:10.5:1
HDR formats
—None
Light source
LampLaser (phosphor)
Fan noise
Normal 38 dB(A) · Eco 35 dB(A)Normal 30 dB(A) · Eco 24 dB(A)
MSRP
—$1,399
Room fit
Distance to screen
3.0–3.6 m1.1 m
Picture
White light outputANSI
4,100 lm ISO (Normal power, Dynamic mode) · 4,100 lm ANSI4,200 lm ANSI
Brightness uniformity
85%—
Imaging technology
3LCDDLP
Chip / panel diagonal
0.63 in0.65 in
Native resolution
1024 × 7681080p (1920 × 1080)
Native aspect
4:3Derived16:9Derived
Colour wheel segments
—4
Dynamic contrast
20,000:13,000,000:1
Colour bit depth (per channel)
8 bit10 bit
HDR formats
—None
3D
—Yes
3D formats
—Frame packing, Side-by-side, Top-bottom, Frame sequential
3D glasses sync
—DLP-Link
Light source
Light source
LampLaser (phosphor)
Emitter
—Blue laser + phosphor
Lamp power
230 W—
Replacement lamp
ET-LAL510—
Light-source life
10,000 h normal · 20,000 h eco20,000 h normal · 30,000 h eco
Life defined as
50% brightness—
Optics
Throw ratio
1.48–1.78:10.5:1
Image size
30–300 in35–300 in
Projection offset
—132%
Zoom
OpticalDigital
Zoom ratio
1.2×Derived—
Focal length
19.16–23.02 mm7.51 mm
Aperture (f-number)
1.6–1.762.8
Focus
ManualManual
Vertical lens shift
—None
Horizontal lens shift
—None
Vertical keystone
35°15°
Horizontal keystone
35°15°
Auto keystone
Yes—
Corner correction
4-corner4-corner
Grid warp
Yes—
Interchangeable lens
No—
Motion & gaming
Max input refresh
—720p: 120 Hz · 1080p: 60 Hz
Inputs & control
HDMI inputs
2 × HDMI (HDCP 1.4)2 × HDMI 1.4 (HDCP 1.4)
Other video inputs
VGA, Composite—
Max input resolution
—WUXGA
Audio inputs
3.5 mm, RCANone
USB media playback
Yes—
Control ports
RS-232RS-232
PJLink
Class 2None
Horizontal scan
—15–102 kHz
Vertical scan
—24–120 Hz
Smart platform
Wi-Fi
—None
Ethernet
YesNo
Audio
Speaker power
10 W15 W
Speakers
—1
Layout
Mono—
Audio outputs
3.5 mm3.5 mm
HDMI audio return
NoneDerivedNoneDerived
Physical & installation
Dimensions (W × D × H)
335 × 252 × 96 mm286 × 216 × 129 mm
Weight
2,900 g3,150 g
Colours
—White
Orientations
Table, Ceiling, RearTable, Ceiling, Rear, Portrait, 360°
Ceiling mount
M4, 10 mm deep, 1.25 N·mM4, screws ≤ 8 mm
Dust filter
ReplaceableNone
Ingress protection
—IP6X (light engine)
Sealed optical engine
—Yes
Environment & power
Operating temperature
5–40°C0–40°C
Operating humidity
20–80%RH10–80%RH
Altitude
2,700 m3,660 m · high-altitude mode
Power draw
Max 300 W210 W
Standby
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
DC input
—19.5 V
Fan noise
Normal 38 dB(A) · Eco 35 dB(A)Normal 30 dB(A) · Eco 24 dB(A)
Safety & support
Laser class
—Class 1
Risk group
—RG2
FDA laser notice
—Notice 57
Marks
FCCCE, FCC
Warranty
—3 yr
User manual
https://bizpartner.panasonic.net/public/ppr/file_view/194378https://www.viewsonicglobal.com/public/products_download/user_guide/projector/LS711W_LS711HD/LS711W_LS711HD_UG_ENG.pdf
Spare parts
Lamp ET-LAL510 · Air filter ET-RFL300—
In the box
In the box
Power cord, Remote, Remote batteriesPower cord, Power adapter, Remote, Remote batteries, Quick start guide, Lens cap
Remote
—IR