ViewSonic LS850WU vs ViewSonic LS900WU

ViewSonic LS850WU is $961 cheaper and lighter. ViewSonic LS900WU is brighter.

Key differences
White light outputANSI
5,000 lm ANSI6,000 lm ANSI
Throw ratio
1.36–2.18:11.2–1.9:1
MSRP
$2,992$3,953
Room fit
Distance to screen
2.9–4.7 m2.6–4.1 m
Picture
White light outputANSI
5,000 lm ANSI6,000 lm ANSI
Imaging technology
DLPDLP
Native resolution
WUXGA (1920 × 1200)WUXGA (1920 × 1200)
Native aspect
16:10Derived16:10Derived
Dynamic contrast
3,000,000:1100,000:1
Colour bit depth (per channel)
10 bit10 bit
3D
YesYes
3D formats
Side-by-side, Top-bottom, Frame sequentialSide-by-side, Top-bottom, Frame sequential
Light source
Light source
Laser (phosphor)Laser (phosphor)
Emitter
Blue laser + phosphorBlue laser + phosphor
Light-source life
20,000 h normal · 20,000 h dynamic20,000 h normal · 30,000 h dynamic
Optics
Throw ratio
1.36–2.18:11.2–1.9:1
Image size
30–300 in50–300 in
Zoom
OpticalOptical
Zoom ratio
1.6×Derived1.58×Derived
Focus
Manual—
Vertical lens shift
±50%-2.4–9.2%
Horizontal lens shift
±23%±2.5%
Vertical keystone
40°25°
Horizontal keystone
40°30°
Corner correction
4-corner4-corner
Inputs & control
HDMI inputs
2 × HDMI 1.43 × HDMI 1.4
Other video inputs
VGA, Composite, HDBaseTVGA, Composite, HDBaseT
Max input resolution
WUXGAWUXGA
Audio inputs
3.5 mm, RCA3.5 mm, RCA
Control ports
RS-232, 12 V triggerRS-232
Control-system drivers
Crestron, AMXCrestron, AMX
Horizontal scan
15–102 kHz15–102 kHz
Vertical scan
23–120 Hz23–120 Hz
Audio
Speaker power
20 W10 W
Speakers
22
Audio outputs
3.5 mm3.5 mm
HDMI audio return
NoneDerivedNoneDerived
Physical & installation
Dimensions (W × D × H)
404 × 305 × 145 mm360 × 440 × 161 mm
Weight
6,400 g11,000 g
Orientations
Table, Ceiling, Rear, Portrait, 360°Portrait, 360°
Ceiling mount
M4, 12.8–15.8 mm screwsM4, screws ≤ 12 mm
Environment & power
Operating temperature
0–40°C0–40°C
Operating humidity
10–90%RH10–90%RH
Altitude
3,000 m3,000 m
Power draw
430 W430 W
Standby
Up to 0.5 WUp to 0.5 W
Mains input
100–240 V · 50/60 Hz100–240 V · 50/60 Hz
Safety & support
Laser class
Class 1Class 1 (US: Class 3R)
Risk group
RG2RG2
FDA laser notice
—Notice 50
Marks
FCCFCC, UL
Warranty
5 yr or 20,000 h (light source 5 yr or 20,000 h)5 yr or 20,000 h (light source 5 yr or 20,000 h)
User manual
https://www.viewsonicglobal.com/public/products_download/user_guide/Projector/LS750WU_LS850WU_LS860WU/LS750WU_LS850WU_LS860WU_UG_ENG.pdfhttps://www.viewsonicglobal.com/public/products_download/user_guide/Projector/LS900WU/LS900WU_UG_ENG.pdf
In the box
In the box
Power cord, Remote, Quick start guide, VGA cablePower cord, Remote, Quick start guide, VGA cable