InFocus IN1049SL vs Optoma ZH551

InFocus IN1049SL is brighter, sharper and quieter. Optoma ZH551 is lighter and in stock.

	InFocus IN1049SL	Optoma ZH551$1,499 · Amazon Buy

Key differences
White light outputISO
White light outputISO	6,000 lm ISO	5,600 lm ISO
Native resolution
Native resolution	WUXGA (1920 × 1200)	1080p (1920 × 1080)
Lowest input lag
Lowest input lag	—	8.6 msDerived
HDR formats
HDR formats	—	HLG
Fan noise
Fan noise	Normal 30 dB(A) · Eco 28 dB(A)	Normal 33 dB(A) · Eco 28 dB(A)
Best price
Best price	—	$1,499
Room fit80″100″120″150″
Distance to screen
Distance to screen	3.0–4.8 m	3.1–5.0 m
Picture
White light outputISO
White light outputISO	6,000 lm ISO	5,600 lm ISO
Brightness uniformity
Brightness uniformity	85%	75%
Imaging technology
Imaging technology	DLP	DLP
Chip / panel diagonal
Chip / panel diagonal	0.67 in	0.65 in
Native resolution
Native resolution	WUXGA (1920 × 1200)	1080p (1920 × 1080)
Native aspect
Native aspect	16:10Derived	16:9Derived
Dynamic contrast
Dynamic contrast	2,000,000:1	3,000,000:1
Colour bit depth (per channel)
Colour bit depth (per channel)	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	6-axis
3D
3D	Yes	Yes
3D formats
3D formats	Side-by-side, Top-bottom, Frame sequential	Frame packing, Side-by-side, Top-bottom, Frame sequential
3D glasses sync
3D glasses sync	DLP-Link	DLP-Link
Light source
Light source
Light source	Laser (phosphor)Derived	Laser (phosphor)
Emitter
Emitter	Blue laser + phosphor	—
Light engine
Light engine	Quantum Laser	—
Light-source life
Light-source life	Up to 30,000 h	30,000 h eco
Light output control
Light output control	Steps	—
Cool-down time
Cool-down time	—	90 s
Optics
Throw ratio
Throw ratio	1.4–2.24:1	1.4–2.24:1
Image size
Image size	21–302 in	28–145 in
Projection offset
Projection offset	102%	103%
Zoom
Zoom	Optical	Optical
Zoom ratio
Zoom ratio	1.6×Derived	1.6×Derived
Focal length
Focal length	20.91–32.62 mm	20.91–32.62 mm
Aperture (f-number)
Aperture (f-number)	—	2.5–3.26
Focus
Focus	Manual	Manual
Autofocus
Autofocus	No	No
Vertical lens shift
Vertical lens shift	—	0–15%
Motorised lens shift
Motorised lens shift	No	No
Vertical keystone
Vertical keystone	30°	30°
Horizontal keystone
Horizontal keystone	30°	30°
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	—
Input lag
Input lag	—	1080p: 60 Hz 17 ms · 120 Hz 8.6 ms · 4K UHD: 60 Hz 16.9 ms
Inputs & control
HDMI inputs
HDMI inputs	HDMI 2.0 · HDMI 1.4	2 × HDMI 2.0
Other video inputs
Other video inputs	VGA, HDBaseT	VGA
Max input resolution
Max input resolution	DCI 4K	4K UHD
Control ports
Control ports	RS-232	RS-232, 12 V trigger
PJLink
PJLink	—	Class 1
Control-system drivers
Control-system drivers	—	Crestron
Horizontal scan
Horizontal scan	15.38–91.15 kHz	15.38–135 kHz
Vertical scan
Vertical scan	24–120 Hz	23.97–120 Hz
Smart platform
Ethernet
Ethernet	Yes	Yes
Casting
Casting	—	Miracast
Audio
Speaker power
Speaker power	10 W	15 W
Speakers
Speakers	1	—
Layout
Layout	—	Mono
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	274 × 216 × 114 mm
Weight
Weight	5,500 g	2,900 g
Orientations
Orientations	Table, Ceiling, Rear	Portrait, 360°
Dust filter
Dust filter	None	—
Ingress protection
Ingress protection	—	IP6X (light engine)
Environment & power
Operating temperature
Operating temperature	5–40°C	0–40°C
Operating humidity
Operating humidity	10–85%RH	—
Altitude
Altitude	3,048 m · high-altitude mode	3,048 m · high-altitude mode
Power draw
Power draw	Max 341 W · Eco 190 W	Normal 230 W · Eco 200 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 33 dB(A) · Eco 28 dB(A)
Safety & support
Laser class
Laser class	Class 1	Class 1
Risk group
Risk group	RG2	RG2
Hazard distance
Hazard distance	—	1 m
Marks
Marks	CE, FCC, CCC	FCC
Warranty
Warranty	5 yr or 20,000 h	3 yr (light source 5 yr or 12,000 h)
User manual
User manual	https://cdn.infocus.com/2026/06/UG_Authentic-I_IN1048SL_49SL_EN-v2.pdf	https://region-resource.optoma.com/products/documents/sj3ba9jjcgNo3jqZNW4eSSqXsUgO3XnIzHgAsT4w.pdf
In the box
In the box
In the box	Power cord, Remote, Quick start guide, VGA cable, Lens cap	Power cord, Remote, Remote batteries, Quick start guide, Wi-Fi dongle
Remote
Remote	IR	IR

InFocus IN1049SL

Optoma ZH551$1,499 · Amazon

Buy