Lift-Off Distance (LOD) Test
Advanced real-time tracking visualization to calibrate your sensor's cutoff height.
Move Mouse Here
Move normally to establish a baseline
Lift-Off Events Session Log
| # | Time | Cutoff Sharpness | Jitter Before Lift | Status |
|---|---|---|---|---|
| No lift-off events detected yet. | ||||
LOD Benchmarks (Popular Mice)
Razer Viper V3 Pro
~0.8mm (Low LOD)
Logitech G Pro X SL
~1.0mm (Low LOD)
Zowie EC2-CW
~1.5mm (Medium LOD)
Budget Office Mice
>2.5mm (High LOD)
About Lift-Off Distance (LOD)
Lift-Off Distance (LOD) is the height at which your mouse sensor stops tracking movement when lifted off the mousepad. For competitive gaming, a low LOD (under 2mm or ~1 CD) is preferred to prevent the crosshair from moving when you reposition your mouse.
How to Use This Advanced Test
- Baseline: Move your mouse around in the tracking area above to establish your normal tracking velocity and jitter profile.
- The Stack Method: Place a thin object (like a playing card or CD) under your mouse feet.
- Test Tracking: Attempt to move the mouse. The visualizer will show if tracking is active (colored path) or lost (red flash).
- Iterate: If the cursor still moves, add another layer (e.g., a second CD). Repeat until the cursor stops responding.
- Analyze: The tool will record the cutoff profile. An "Abrupt" cutoff is ideal, meaning the sensor stopped tracking cleanly. A "Gradual" cutoff with high jitter indicates the sensor is struggling to read the surface as it lifts, which can cause in-game cursor drift.
How to Improve LOD Settings
Most modern gaming mice (Logitech G Pro, Razer Viper, Zowie) allow you to adjust LOD in their software. Look for "Surface Calibration" or "Lift-Off Range" settings. Set it to Low or slightly above your pad's texture.
If your mouse lacks software, you can try the "Tape Trick" (placing a piece of tape partially over the sensor lens) to trick it into a lower LOD, though this is experimental and not recommended for high-end optical sensors.
Pro Tips for Sensor Performance
- Surface Matters: Different mousepads (cloth vs. hard vs. glass) can significantly change your effective LOD. Calibrate whenever you switch pads.
- Repositioning Technique: Low sens players lift their mouse constantly. A high LOD causes the crosshair to jitter or look at the floor during these lifts, ruining aim.
- Clean Sensor: Dust or hair near the sensor lens can artificially alter tracking distance and cause erratic jitter during lift-off.