InFocus IN1049SL vs ViewSonic LS921WU

InFocus IN1049SL is quieter and lighter. ViewSonic LS921WU is in stock.

	InFocus IN1049SL	ViewSonic LS921WU$3,747 · Amazon Buy

Key differences
White light output
White light output	6,000 lm ISO	6,000 lm ANSI
Throw ratio
Throw ratio	1.4–2.24:1	0.81–0.89:1
HDR formats
HDR formats	—	HLG
Fan noise
Fan noise	Normal 30 dB(A) · Eco 28 dB(A)	Normal 36 dB(A) · Eco 29 dB(A)
MSRP
MSRP	—	$4,499
Best price
Best price	—	$3,747
Room fit80″100″120″150″
Distance to screen
Distance to screen	3.0–4.8 m	1.7–1.9 m
Picture
White light output
White light output	6,000 lm ISO	6,000 lm ANSI
Brightness uniformity
Brightness uniformity	85%	—
Imaging technology
Imaging technology	DLP	DLP
Chip / panel diagonal
Chip / panel diagonal	0.67 in	—
Native resolution
Native resolution	WUXGA (1920 × 1200)	WUXGA (1920 × 1200)
Native aspect
Native aspect	16:10Derived	16:10Derived
Dynamic contrast
Dynamic contrast	2,000,000:1	3,000,000:1
Colour bit depth (per channel)
Colour bit depth (per channel)	10 bit	10 bit
Gamma / EOTF presets
Gamma / EOTF presets	2.2, 2.4, 2.6	—
HDR formats
HDR formats	—	HLG
Colour management (CMS)
Colour management (CMS)	6-axis	—
3D
3D	Yes	Yes
3D formats
3D formats	Side-by-side, Top-bottom, Frame sequential	Side-by-side, Top-bottom, Frame sequential
3D glasses sync
3D glasses sync	DLP-Link	—
Light source
Light source
Light source	Laser (phosphor)Derived	Laser (phosphor)
Emitter
Emitter	Blue laser + phosphor	Blue laser + phosphor
Light engine
Light engine	Quantum Laser	—
Light-source life
Light-source life	Up to 30,000 h	20,000 h
Light output control
Light output control	Steps	—
Optics
Throw ratio
Throw ratio	1.4–2.24:1	0.81–0.89:1
Image size
Image size	21–302 in	30–300 in
Projection offset
Projection offset	102%	—
Zoom
Zoom	Optical	Optical
Zoom ratio
Zoom ratio	1.6×Derived	1.1×Derived
Focal length
Focal length	20.91–32.62 mm	—
Focus
Focus	Manual	Manual
Autofocus
Autofocus	No	—
Vertical lens shift
Vertical lens shift	—	±50%
Horizontal lens shift
Horizontal lens shift	—	±50%
Motorised lens shift
Motorised lens shift	No	—
Vertical keystone
Vertical keystone	30°	40°
Horizontal keystone
Horizontal keystone	30°	40°
Auto keystone
Auto keystone	Yes	—
Corner correction
Corner correction	4-corner	4-corner
Motion & gaming
Max input refresh
Max input refresh	1080p: 120 Hz · 4K UHD: 60 Hz	—
Inputs & control
HDMI inputs
HDMI inputs	HDMI 2.0 · HDMI 1.4	2 × HDMI 2.0 (HDCP 2.2)
Other video inputs
Other video inputs	VGA, HDBaseT	VGA, Composite, HDBaseT
Max input resolution
Max input resolution	DCI 4K	4K UHD
Audio inputs
Audio inputs	—	3.5 mm, RCA
Control ports
Control ports	RS-232	RS-232, 12 V trigger
Control-system drivers
Control-system drivers	—	Crestron, AMX
Horizontal scan
Horizontal scan	15.38–91.15 kHz	15–135 kHz
Vertical scan
Vertical scan	24–120 Hz	23–120 Hz
Smart platform
Ethernet
Ethernet	Yes	Yes
Audio
Speaker power
Speaker power	10 W	20 W
Speakers
Speakers	1	2
Audio outputs
Audio outputs	3.5 mm	3.5 mm
HDMI audio return
HDMI audio return	NoneDerived	NoneDerived
Physical & installation
Dimensions (W × D × H)
Dimensions (W × D × H)	374 × 302 × 117 mm	405 × 305 × 144 mm
Weight
Weight	5,500 g	6,500 g
Orientations
Orientations	Table, Ceiling, Rear	Table, Ceiling, Rear, Portrait, 360°
Ceiling mount
Ceiling mount	—	M4, 12.8–15.8 mm screws
Dust filter
Dust filter	None	—
Environment & power
Operating temperature
Operating temperature	5–40°C	0–40°C
Operating humidity
Operating humidity	10–85%RH	10–90%RH
Altitude
Altitude	3,048 m · high-altitude mode	3,000 m
Power draw
Power draw	Max 341 W · Eco 190 W	450 W
Standby
Standby	Up to 0.5 W	Up to 0.5 W
Networked standby
Networked standby	Up to 2 W	—
Mains input
Mains input	100–240 V · 50/60 Hz	100–240 V · 50/60 Hz
Fan noise
Fan noise	Normal 30 dB(A) · Eco 28 dB(A)	Normal 36 dB(A) · Eco 29 dB(A)
Safety & support
Laser class
Laser class	Class 1	—
Risk group
Risk group	RG2	RG2
Marks
Marks	CE, FCC, CCC	FCC
Warranty
Warranty	5 yr or 20,000 h	5 yr (light source 1 yr)
User manual
User manual	https://cdn.infocus.com/2026/06/UG_Authentic-I_IN1048SL_49SL_EN-v2.pdf	https://www.viewsonicglobal.com/public/products_download/user_guide/Projector/LS920WU_LS921WU/LS920WU_LS921WU_UG_ENG.pdf
In the box
In the box
In the box	Power cord, Remote, Quick start guide, VGA cable, Lens cap	Power cord, Remote, Quick start guide
Remote
Remote	IR	—

InFocus IN1049SL

ViewSonic LS921WU$3,747 · Amazon

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