Auniontech XYZ TRACKER Video Autofocus and Tracking Module
| Brand | Auniontech |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Product Category | Imported |
| Model | XYZ TRACKER |
| Pricing | Available Upon Request |
Overview
The Auniontech XYZ TRACKER Video Autofocus and Tracking Module is an integrated optomechanical system engineered for high-fidelity, real-time tracking and dynamic focus stabilization during live imaging of motile or semi-restricted model organisms. It operates on a dual-loop control architecture: an XY closed-loop stage compensates for lateral specimen drift in the imaging plane, while a Z-axis subsystem—comprising a tunable lens, auxiliary camera, and precision Z-stage—enables rapid, non-mechanical focal plane adjustment without physical movement of the objective or sample stage. Unlike conventional piezo-driven focus systems limited to narrow axial ranges, the XYZ TRACKER combines electro-optic focus tuning (via voltage-controlled lens curvature modulation) with coordinated motorized stage motion to achieve extended depth-of-field tracking across biologically relevant z-ranges (e.g., >100 µm in zebrafish larval imaging). This hybrid approach ensures minimal optical path disturbance, eliminates mechanical hysteresis, and preserves temporal fidelity in time-lapse and calcium imaging experiments.
Key Features
- Simultaneous XY translation and Z-axis focus tracking with independent enable/disable control per axis
- Electro-optic tunable lens (C-mount compatible) enabling sub-millisecond focal shift response, eliminating objective or stage repositioning delays
- Dedicated auxiliary camera pathway—optically decoupled from the primary imaging path—to acquire focus-scored frames without introducing vibration or blur into main-channel data
- ASI Tiger controller providing synchronized TTL triggering between tunable lens driver (TGTLC), auxiliary camera, and primary imaging system
- Micro-Manager plugin (Windows-only) offering unified hardware abstraction layer for coordinated control of cameras, tunable lens, XY/Z stages, and focus algorithms
- Z-axis clutch mechanism allowing seamless transition between manual coarse focus and automated fine-tracking modes
- Support for multiple open-source tracking algorithms including Mean Shift and Optical Flow (OpenCV-based), configurable via Micro-Manager GUI or Python scripting
Sample Compatibility & Compliance
The XYZ TRACKER is validated for long-duration, low-phototoxicity imaging of translucent, motile specimens including Caenorhabditis elegans, Drosophila larvae, and zebrafish embryos/larvae. Its non-contact focus modulation and vibration-isolated design meet standard requirements for GLP-compliant behavioral phenotyping workflows. The system adheres to CE marking directives for laboratory equipment (2014/30/EU EMC Directive, 2014/35/EU LVD Directive) and supports audit-ready metadata logging when used with Micro-Manager’s native acquisition framework. While not FDA-cleared as a medical device, its architecture aligns with ISO 13485-aligned documentation practices for research-grade instrumentation deployed in regulated preclinical labs.
Software & Data Management
Control and automation are implemented exclusively through the open-source Micro-Manager platform (v2.0+), leveraging its modular plugin architecture and hardware abstraction layer. The XYZ TRACKER plugin exposes all hardware interfaces—including tunable lens voltage ramping, XY/Z stage positioning, auxiliary camera exposure timing, and focus score computation—as programmable properties. All acquisition parameters, focus scores, stage positions, and lens voltages are logged in standardized OME-TIFF metadata headers, ensuring compatibility with downstream analysis tools (e.g., Fiji, Python-based scikit-image pipelines). The system supports 21 CFR Part 11–compliant electronic signatures and audit trails when deployed with third-party ELN/LIMS integrations via Micro-Manager’s REST API extension.
Applications
- Long-term behavioral tracking in neurogenetics studies requiring continuous focus maintenance during spontaneous locomotion
- Calcium imaging of neural circuits in freely moving or tethered larvae under multi-plane illumination protocols
- High-throughput drug screening assays where focus stability across hundreds of wells must be maintained without operator intervention
- Multi-focus time-lapse acquisition for 3D reconstruction of developing embryos without z-stack acquisition overhead
- Stimulus-response experiments involving rapid visual, thermal, or chemical perturbations where focal drift would otherwise compromise signal-to-noise ratio
FAQ
Is the XYZ TRACKER compatible with inverted microscopes?
Yes—the tunable lens mounts directly to the C-mount port of most inverted microscope camera adapters, and the XY stage integrates beneath the specimen chamber or slide holder.
Can the auxiliary camera be replaced with a user-supplied sensor?
Yes—provided it supports TTL triggering, USB3/UVC compliance, and resolution ≥640×480 at ≥30 fps; configuration requires custom calibration within the Micro-Manager plugin.
Does the system support real-time focus scoring during acquisition?
Yes—focus score computation (based on image variance, FFT sharpness, or Laplacian gradient metrics) occurs on-the-fly using CPU-accelerated OpenCV kernels, with latency <15 ms per frame.
What is the maximum tracking speed supported in XY?
Up to 5 mm/s with sub-micron repeatability, dependent on stage model (ASI MS-2000 or NanoScanZ series) and load inertia.
Is firmware update capability available?
Yes—firmware for the ASI Tiger controller and TGTLC driver is upgradable via Micro-Manager’s built-in device manager, with version history and rollback support.
