Optoma ZK431ST-B
Specs TBD$1,799 at The Indoor Golf Shop · as of Oct 9, 2026MSRP $2,699
- Throw ratio
- 0.496:1
- Brightness
- 4,100 lumens (ISO 21118)
- Input lag
- 16.7 ms at 1080p 60Hz
- Golf mode
- Not published by manufacturer
· Optoma · Golf simulator projector ·
Optoma ZK431ST-B Specs & sim fit
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Will it fit your sim?
Image width = throw distance ÷ throw ratio.
From 10 ft away, the Optoma ZK431ST-B throws an image 20.2 ft wide (10 ft ÷ 0.496).
For a 10 ft wide image, mount it 5.0 ft from the screen (10 ft × 0.496).
Full specifications
Manufacturer data- Throw ratio
- 0.496:1
- Throw type (maker's label)
- Short throw
- Zoom
- Fixed lens (no zoom)
- Lens shift
- none (fixed lens, zoom n/a); offset 114%
- Keystone
- Horizontal +/-15°, Vertical +/-15°
- Native aspect ratio
- 16:9
- Screen shapes stated
- 4:3, 16:9, 16:10
- Brightness
- 4,100 lumens (ISO 21118)
- Input lag
- 16.7 ms at 1080p 60Hz
- Golf picture mode
- Not published by manufacturer
- Resolution
- 3840x2160
- Light source
- Laser
- Light source life
- Not published by manufacturer
- Weight
- 6.3 lbs
- Dimensions (W × H × D)
- 10.8 W x 4.3 H x 8.5 D in
- Warranty
- Not published by manufacturer
- Released
- 2026
- Price (MSRP)
- $2,699
Strengths & weaknesses
Our readStrengths
- 4K UHD resolution (3840x2160)
- 4,100 lumens (ISO 21118)
- Input lag 16.7 ms at 1080p 60Hz
- 0.496 throw ratio
Weaknesses
- Optoma does not say whether its 4K is native or pixel-shifted
- Fixed lens: no zoom and no lens shift
- No golf picture mode named in its datasheet
- Light source life stated for Eco mode only
- No warranty term published for this model