InFocus IN1049SL vs Optoma ZK608TST

InFocus IN1049SL is lighter.

	InFocus IN1049SL	Optoma ZK608TSTMSRP $8,999

Key differences
White light output
White light output	6,000 lm ISO	—
Native resolution
Native resolution	WUXGA (1920 × 1200)	—
Throw ratio
Throw ratio	1.4–2.24:1	0.58:1
Lowest input lag
Lowest input lag	—	4.36 msDerived
HDR formats
HDR formats	—	HDR10, HLG
Fan noise
Fan noise	Normal 30 dB(A) · Eco 28 dB(A)	Max 36 dB(A) · Eco 33 dB(A)
MSRP
MSRP	—	$8,999
Room fit80″100″120″150″
Distance to screen
Distance to screen	3.0–4.8 m	1.3 m
Picture
White light output
White light output	6,000 lm ISO	—
Claimed brightness (non-standard)
Claimed brightness (non-standard)	—	6,000 lm
Brightness uniformity
Brightness uniformity	85%	85%
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)	—
Native aspect
Native aspect	16:10Derived	16:9Derived
Addressable resolution
Addressable resolution	—	4K UHD (3840 × 2160)
Dynamic contrast
Dynamic contrast	2,000,000:1	300,000:1
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	—	HDR10, HLG
Colour management (CMS)
Colour management (CMS)	6-axis	—
3D
3D	Yes	Yes
3D formats
3D formats	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	Up to 30,000 h max
Light output control
Light output control	Steps	—
Optics
Throw ratio
Throw ratio	1.4–2.24:1	0.58:1
Image size
Image size	21–302 in	30–300 in
Projection offset
Projection offset	102%	106%
Zoom
Zoom	Optical	None
Zoom ratio
Zoom ratio	1.6×Derived	—
Focal length
Focal length	20.91–32.62 mm	8.51 mm
Focus
Focus	Manual	Manual
Autofocus
Autofocus	No	—
Horizontal lens shift
Horizontal lens shift	—	±4%
Motorised lens shift
Motorised lens shift	No	No
Vertical keystone
Vertical keystone	30°	15°
Horizontal keystone
Horizontal keystone	30°	15°
Auto keystone
Auto keystone	Yes	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 · 240 Hz 4.4 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, HDBaseT
Max input resolution
Max input resolution	DCI 4K	DCI 4K
Audio inputs
Audio inputs	—	3.5 mm
Control ports
Control ports	RS-232	RS-232, 12 V trigger
PJLink
PJLink	—	Class 2
Control-system drivers
Control-system drivers	—	Crestron
Horizontal scan
Horizontal scan	15.38–91.15 kHz	—
Vertical scan
Vertical scan	24–120 Hz	24–120 Hz
Smart platform
Wi-Fi
Wi-Fi	—	None
Ethernet
Ethernet	Yes	Yes
Audio
Speaker power
Speaker power	10 W	30 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	374 × 302 × 117 mm
Weight
Weight	5,500 g	6,300 g
Colours
Colours	—	Black
Orientations
Orientations	Table, Ceiling, Rear	360°
Dust filter
Dust filter	None	—
Ingress protection
Ingress protection	—	IP6X
Sealed optical engine
Sealed optical engine	—	Yes
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	—
Power draw
Power draw	Max 341 W · Eco 190 W	Max 366 W · Eco 300 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)	Max 36 dB(A) · Eco 33 dB(A)
Safety & support
Laser class
Laser class	Class 1	Class 1
Risk group
Risk group	RG2	RG2
FDA laser notice
FDA laser notice	—	Notice 57
Marks
Marks	CE, FCC, CCC	FCC
Warranty
Warranty	5 yr or 20,000 h	3 yr
User manual
User manual	https://cdn.infocus.com/2026/06/UG_Authentic-I_IN1048SL_49SL_EN-v2.pdf	https://region-resource.optoma.com/products/import/Documents/6faa2a33-4b9d-4130-82e6-94d79467557d.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, User manual
Remote
Remote	IR	Backlit