



Highlights
From Optoma — The ZK430ST is one of Optoma's most compact and hassle-free 4K UHD DuraCore laser projectors. Designed for maintenance-free continuous operation, this 3,700 lumen projector delivers powerful image performance with flexible installation features and extensive connectivity options in a sleek, compact form factor, up to 34% smaller than previous Optoma models. Geared for conference rooms, boardrooms, and other corporate spaces, the ZK430ST has a short throw lens meaning it can be positioned less than half a meter from any wall.
- 300,000:1 dynamic contrast ratio
- True 4K UHD resolution
- Laser technology
- HDR and HLG compatible
- DuraCore laser technology delivers 30,000 hours maintenance-free laser light source
Product Downloads
Helpful Links
Optoma ZK430ST Projector Specifications
- Brightness
- 3,700 Lumens (ANSI)1
- Resolution
- 3840x2160
- Aspect Ratio
- 16:9 (4K HD)
- Dynamic Contrast
- 300,000:1
- Display Type
- DLP x 1
- Color Processing
- 10-bit
- Video Modes
- 720p, 1080i, 1080p/60, 1080p/50, 576i, 576p, 480p, 480i
- Data Modes
- MAX 3840x2160
- 3D Modes
- Full HD 3D
- Lamp Type
- Laser Phosphor
- Lamp Life
- 30,000 hours
- Included Lens
- Fixed focal length , manual focus
- Optional Lenses
- No
- Lens Shift
- No
- Throw Distance
- 0.4 m - 3.3 m Calculate Throw Distance
- Image Size
- 91 cm - 763 cm
- Throw Ratio
- 0.50:1
- Projector Placement
- For a diagonal screen, place the projector lens 1.1 m from the screen.
- Digital Keystone
- Horizontal & Vertical
- Projector Size
- 11 cm x 27 cm x 22 cm
- Weight
- 3.0 kg
- Audible Noise
- 30 dB / 28 dB
- Internal Speakers
- 15.0 Watts Mono
- Power
- 185 Watts 100V - 240V
- Connection Panel
-
Audio Out: Mini JackHDMI 2.0 x 2Network: RJ-45RS232: DB-9pinUSB
- Features
-
Short-ThrowOperate 24/7Full HD 3DGeometric CorrectionHDRAuto FocusBlackboard Mode
Compare to the Competition
More Optoma Projectors
Similar Projectors

BenQ TK700STi
- Resolution: 3840x2160 DLP
- Brightness: 3000 Lumens (ANSI)
- Light Source: Bulb
- Throw Distance: 2.0 m — 2.4 m
- at Image Size: 254 cm

BenQ TK710STi
- Resolution: 3840x2160 DLP
- Brightness: 3200 Lumens (ANSI)
- Light Source: Laser
- Throw Distance: 1.5 m — 1.8 m
- at Image Size: 254 cm

BenQ TK710
- Resolution: 3840x2160 DLP
- Brightness: 3200 Lumens (ANSI)
- Light Source: Laser
- Throw Distance: 2.5 m — 3.3 m
- at Image Size: 254 cm

BenQ TK700
- Resolution: 3840x2160 DLP
- Brightness: 3200 Lumens (ANSI)
- Light Source: Bulb
- Throw Distance: 2.5 m — 3.2 m
- at Image Size: 254 cm

Optoma UHZ66
- Resolution: 3840x2160 DLP
- Brightness: 4000 Lumens (ANSI)
- Light Source: Laser
- Throw Distance: 3.1 m — 5.0 m
- at Image Size: 254 cm
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: