FocusRay Extension
Eye tracking for VR social platforms
Keep in mind Manufacturer specifications; not independently hands-on tested.
FocusRay Extension vs Tundra Tracker
Compare up to 10 devices across categories. Keep the purpose and the source beside the numbers.
Search & choose modelsAdd models to your comparison
Build your comparison
2 / 10 models674 models available. Showing nine - search to narrow the list.
Comparison settingsMarket, sorting & differences
How price order works
Lowest recorded store prices take priority over announced or launch prices, within the selected source market. Currencies use the dated EUR reference rates. Deposits and recurring charges are excluded from price order; missing prices stay last. Original price records remain visible.
At a glance
The differences that matter
Tundra Tracker
SteamVR tracking of body movement
Keep in mind Specifications are sourced claims, not our independent performance measurement.
Published specifications and documented constraints. See the full comparison below for prices and sources.
Scroll across the table to compare every model
| Haptics & body trackingAdd a model |  |  |
|---|---|---|
| Prices · all markets | ¥17,700 JPY≈ €100 EUR · $112 USDECB 2026-10-12JP · Pre-order price · Pre-order; shipping sequentially from early December 2026; inventory not confirmed because the page shows contradictory Sold out and In stock labels 1 offer records & sources¥17,700 JPY≈ €100 EUR · $112 USDECB 2026-10-12 JP · Pre-order price Pre-order; shipping sequentially from early December 2026; inventory not confirmed because the page shows contradictory Sold out and In stock labels · Recheck neededAoharuNEXT official store FocusRay Extension AONXV-002-W with one dedicated mounting base and USB charging/data cable Official store accepts an Add to cart action and calls this the earliest official pre-order, but its simultaneous Sold out and In stock labels are inconsistent, so stock is not marked as verified.Shipping: Calculated at checkout; address-specific amount and eligibility were not tested. Taxes: Japanese consumption tax included. Check merchant offer ↗Price source ↗ Checked 2026-10-17 | $130 USD≈ €116 EURECB 2026-10-12US · Store price · Stock and delivery not verified 1 offer records & sources$130 USD≈ €116 EURECB 2026-10-12 US · Store price Stock and delivery not verified · Recheck neededTundra Labs Single tracker with threaded baseplate and one SteamVR dongle Maker single-tracker listing displays USD130 regular price and Sold Out. Zero-dollar sale template text is not a free-device offer.Check merchant offer ↗Price source ↗ Checked 2026-10-12 |
| Designed for | Eye tracking for VR social platforms ↗ | SteamVR tracking of body movement ↗ |
| Form factor | Headset-mounted camera module plus separate battery/core module ↗ | Small strap- or threaded-mount body tracker ↗ |
| Power & output | Built-in 2,000 mAh lithium-polymer battery with USB pass-through power ↗ | Not verified |
| Charging | Not verified | USB-C ↗ |
| Model | AONXV-002-W ↗ | Not applicable to this category |
| Attachment | Magnetic mounting system; compatible with prescription-lens inserts according to the manufacturer ↗ | Not applicable to this category |
| Communication | Dual-band 2.4 GHz and 5 GHz Wi-Fi ↗ | Not applicable to this category |
| Runtime | Approximately 6 hours ↗ | Nine hours average stated by maker ↗ |
| Camera Module | 32 x 15 x 3 mm; 25 g ↗ | Not applicable to this category |
| Core Module | 55 x 72 x 12 mm; 60 g ↗ | Not applicable to this category |
| Camera | Manufacturer listing: 320 x 240 up to 120 fps maximum; 640 x 480 up to 30 fps effective ↗ | Not applicable to this category |
| Low Light | Built-in infrared LEDs ↗ | Not applicable to this category |
| Compatibility | Valve Index; Meta Quest 2, 3S and 3; PICO 4 and Ultra; HTC VIVE and VIVE Pro 2; PlayStation VR2 ↗ | Not applicable to this category |
| Platforms | VRChat, Resonite and ChilloutVR through compatible software ↗ | Not applicable to this category |
| Operating System | Windows 10 or Windows 11 ↗ | Not applicable to this category |
| Included | Extension camera/core unit, one dedicated mounting base, USB charging/data cable, quick-start guide, safety information and warranty ↗ | Not applicable to this category |
| Optical Sensors | Not applicable to this category | 18 sensors; must remain uncovered ↗ |
| Mounts | Not applicable to this category | Quarter-inch female threaded plate or less-than-one-inch strap-loop plate ↗ |
| Receivers | Not applicable to this category | Tundra Super Wireless Dongles, compatible VIVE dongles and listed SteamVR receiver options ↗ |
| Base Stations | Not applicable to this category | SteamVR1.0/2.0; VIVE and Valve Index compatible stations ↗ |
| Expansion | Not applicable to this category | Separate I/O expansion board for touchpad, trigger, grip, menu and haptic signals ↗ |
| Availability | Official Japan store is taking pre-orders at ¥17,700 including tax and now states sequential shipping from early December 2026. This supersedes the earlier planned October 17 release date. Exact international prices and destination checkout were not verified. | Maker single-tracker listing displays USD130 regular price and Sold Out. Zero-dollar sale template text is not a free-device offer. |
| Important context |
|
|
| Editorial pick & release | No editorial ranking recorded | #7 · Our Top 10 Haptics & body trackingRelease date not verifiedFirst retail release |
| Evidence | Manufacturer source Checked 2026-10-17 | Manufacturer source Checked 2026-10-13 |
Battery claims use different conditions and are not a controlled benchmark. “Not verified” is an evidence gap, not a missing feature. Prices are dated regional snapshots. Deposits, bundles and historical launch prices are labelled. Brightness measurement methods and battery workloads vary by manufacturer.