RIX Stride ST3 Lite compact thermal monocular front view showing overall housing and construction.
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RIX Stride ST3 Lite Thermal Imaging Monocular

The RIX Stride ST3 Lite is a compact, lightweight, and highly versatile thermal imaging monocular engineered for hunting, wildlife observation, and security patrol in complete darkness. Powered by a high-sensitivity 384 × 288 resolution (12 µm) thermal sensor with an exceptional NETD of <20 mK, it delivers crisp, high-contrast thermal imagery even in adverse weather conditions like fog or heavy rain. Featuring a smooth 50 Hz refresh rate, a sharp 1024 × 768 OLED display, 1x–6x magnification, and a wide 17.5° × 13.1° field of view, the Stride ST3 Lite detects targets up to approximately 780 meters away. Built with rugged IP67 weatherproofing, 32 GB internal memory for photo/video recording, and a replaceable 18650 battery system, it offers ultimate mobility as a handheld, helmet-mounted, or vehicle-mounted observation tool.

  • Ultra-Sensitive Thermal Sensor: 384 × 288 resolution (12 µm) with <20 mK NETD for extreme detail recognition.
  • Compact & Ultra-Lightweight: Weighs only 190g; easily slips into a pocket or mounts seamlessly to helmets and vehicles.
  • Wide Field of View (17.5° × 13.1°): Enables rapid area scanning and effortless tracking of moving targets.
  • High-Resolution OLED Display: 1024 × 768 screen paired with a 50 Hz refresh rate for smooth, sharp viewing.
  • Extended Connectivity & Storage: Features built-in Wi-Fi, photo/video recording, and 32 GB internal memory.

980.00 € Tax included

790.322581 Tax excluded

On order - Delivery time up to 15 work days
new_releases On order - Delivery time up to 15 work days

local_shipping FREE delivery to Estonian Parcel terminal from50€ (Omniva or DPD). Details

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Return policy
14-day return option after receiving the goods

RIX Stride ST3 Lite Compact Thermal Monocular

Discover complete night vision versatility with the RIX Stride ST3 Lite. Combining ultra-compact dimensions, featherlight weight, and professional-grade thermal performance, this monocular is engineered for hunters, wildlife observers, and security professionals operating in pitch-black environments.

Crystal-Clear Thermal Imaging (<20 mK NETD)

Equipped with a state-of-the-art 384 × 288 pixel thermal core (12 µm pitch) and an ultra-high sensitivity rating of NETD <20 mK, the Stride ST3 Lite captures minute temperature differentials. Whether scanning dark treelines or observing wildlife in dense brush, it renders sharp, high-contrast thermal silhouettes. The 1024 × 768 OLED display and 50 Hz refresh rate guarantee fluid, lag-free image rendering.

Multi-Purpose Mounting & Portability

Weighing a mere 190 grams and measuring just 120 × 71 × 47 mm, the Stride ST3 Lite is built for maximum mobility. Thanks to its versatile mounting options, it transitions effortlessly between a handheld observation monocular, a helmet-mounted hands-free thermal unit, and a vehicle-mounted patrol device.

Wide Field of View & 6 Color Palettes

The expansive 17.5° × 13.1° field of view allows users to scan large sectors instantly without losing situational awareness. To optimize viewing in varying environments, the device features 6 selectable color palettes, helping you isolate heat signatures against any background—from cold winter forests to warm summer terrain.

Key Features & Functions

  • Sensor Resolution: 384 × 288 pixels (12 µm)
  • Thermal Sensitivity: NETD ≤20 mK
  • Detection Range: Up to 780 meters
  • Display: 1024 × 768 OLED screen with 50 Hz frame rate
  • Optics: 15mm F1.0 objective lens with 1x–6x magnification (1x, 2x, 4x digital zoom)
  • Media & Wi-Fi: Built-in photo/video recording and Wi-Fi module
  • Memory: 32 GB internal storage
  • Power Supply: Replaceable 18650 rechargeable battery (up to 4 hours runtime)
  • Durability: IP67 waterproof and dustproof rating

Technical Specifications

Brand / Model RIX Stride ST3 Lite
Sensor Resolution 384 × 288 px
Pixel Pitch 12 µm
NETD (Thermal Sensitivity) ≤20 mK
Frame Rate 50 Hz
Detection Range 780 m
Objective Lens 15mm F1.0
Magnification 1x – 6x (Digital zoom: 1x, 2x, 4x)
Field of View (FOV) 17.5° × 13.1°
Eye Relief 20 mm
Diopter Adjustment -5 ~ +5 dpt
Display Type / Resolution OLED / 1024 × 768 px
Recording & Wi-Fi Photo/Video recording (JAH), Wi-Fi (JAH)
Internal Memory 32 GB
Interface / Cable 5V (Type-C)
Protection Rating IP67
Operating Temperature -20°C to +50°C
Battery Type 18650 rechargeable battery (~70mm length)
Battery Life Up to 4 hours
Dimensions 120 × 71 × 47 mm
Weight 190 g
RIX Optics
ST3
New

1. Orders & Shipping

What are the shipping methods?

We ship across Estonia using Omniva and DPD parcel terminals. You can also choose to pick up your order personally from our Tallinn store.

How fast will I receive my order?

In-stock products are usually dispatched within 1–2 business days. For items marked "On order" or "Tellimisel," delivery may take up to 15 business days.

Do you ship internationally?

Yes, we ship across Europe. To see the exact shipping cost, please enter your address during checkout or contact us directly.

3. Returns & Claims

Can I return a product if it doesn't fit?

Yes, a 14-day return right applies to products purchased from the online store. The product must be unused, in its original packaging, and with tags attached. Underwear and hygiene products cannot be returned.

Items purchased from the physical store cannot be returned for a refund; however, we can exchange them for a gift card or another product. Used products cannot be returned.

How do I return a product?

Please contact us at info@milshed.com to arrange the return method. In Estonia, returns via parcel terminal are usually free.

What happens if a product breaks?

Private individuals have a 2-year right to file a claim. If a defect appears within the first 6 months, it is assumed it existed at the time of purchase (manufacturing defect).