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From BenQ — The BenQ LW820ST is designed with Dust Guard technology including sealed laser modules to protect the laser bank. This lock-and-key design hermetically seals the laser engine from dust to prolong the projector lifespan. With a fully enclosed laser light source and an innovative sealed engine design powered by BenQ Dust Guard technology, BlueCore education projectors guarantee 20,000 hours of maintenance-free operation.

  • Anti-Dust Accumulation Sensor Resists Dust Buildup
  • Long-Lasting High Brightness
  • High native contrast ratio of 100,000:1 for true deep blacks, vividly rich colors, and fine subtle details
  • 20,000 Hour Long-Lasting Performance
  • 3,000,000:1 dynamic contrast ratio
 

BenQ LW820ST Projector Specifications


Street Price
$1,599
MSRP
$1,599
Best Used For
Status
Shipping
Released
January 2019
User Reviews
Review this Projector

 
Switch to Metric
Brightness
3,600 ANSI Lumens
Resolution
1280x800
Aspect Ratio
16:10 (WXGA)
Contrast
100,000:1
Display Type
0.65" DLP x 1
Color Processing
10-bit
Video Modes
720p, 1080i, 1080p/60, 576i, 576p, 480p, 480i
Data Modes
MAX 1920x1200

Lamp Type
Laser Phosphor
Lamp Life
20,000 hours

Included Lens
Fixed focal length , manual focus
Optional Lenses
No
Lens Shift
No
Throw Distance
2.2' - 4.4'  Calculate Throw Distance
Image Size
59.87" - 120.28"
Throw Ratio
0.52:1
Projector Placement
For a
"
diagonal screen, place the projector lens 3'-8" from the screen.
Digital Zoom
Yes
Digital Keystone
Vertical only

Projector Size
6.22" x 16.14" x 10.71"
Weight
12.4 lbs
Audible Noise
33 dB  / 29 dB
Internal Speakers
10.0 Watts Mono
Power
320 Watts 100V - 240V
Connection Panel
Audio In: Mini Jack
Audio In: RCA
Audio Out: Mini Jack
Composite: RCA
HDMI
HDMI (MHL)
Network: RJ-45
RS232: DB-9pin
S-Video
USB x 2
VGA In: Dsub-15pin x 2
VGA Out: Dsub-15pin

Features
Short-Throw
Laser Pointer
 

Compare to the Competition


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  • Brightness: 3500 ANSI Lumens
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  • Throw Distance: 9'-5" — 18'-9"
  • at Image Size: 100 "
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May 2011 Model
Panasonic PT-FW300U*
  • Resolution: 1280x800 3LCD
  • Brightness: 3500 ANSI Lumens
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Epson BrightLink 485Wi*
  • Resolution: 1280x800 3LCD
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Apr 2012 Model
BenQ LW820ST
  • Resolution: 1280x800 DLP
  • Brightness: 3600 ANSI Lumens
  • Light Source: Laser
  • Throw Distance: 3'-8"
  • at Image Size: 100 "
$1,599
Jan 2019 Model
Optoma ZW400
  • Resolution: 1280x800 DLP
  • Brightness: 4000 ANSI Lumens
  • Light Source: Laser
  •  
  •  
$899
Oct 2020 Model

ANSI LUMENS  is the most commonly accepted industry standard brightness measurement. The ANSI lumen rating measures the brightest white that a projector can produce by averaging nine light meter measurements taken across the projected image.

Manufacturer Cited Brightness:

BUYER BEWARE   Either this projector's brightness specification does not cite an industry-accepted unit of measurement, or according to our calculations it seems unlikely that this projector is capable of producing the manufacturer's cited brightness specification.

Manufacturer Cited Brightness: