InfiRay Finder FH35R V2 640x512 12um <20mK Laser Range Finder Thermal Monocular
instalment plans from £114.45/month

Designed for agility and precision, the FH35R V2 is equipped with an advanced Laser Range Finder (LRF) that offers an impressive range of up to 800 meters, with a margin of error within just 1 meter. The LRF's swift response rate ensures accurate distance measurements are delivered instantly, providing you with the confidence to make precise decisions in real-time, without any lag.
The monocular’s endurance is equally impressive, featuring two replaceable lithium-ion battery packs that provide up to 11 hours of continuous operation. These batteries are designed for easy replacement, even in low-light environments, ensuring uninterrupted use. For added convenience, the charger supports in-vehicle charging, making the FH35R V2 an ideal companion for extended outdoor adventures.
Built to withstand the elements, the FH35R V2 maintains a pocket-sized, lightweight design, weighing less than 400 grams. It carries an IP67 waterproof and dust-proof rating, ensuring reliable performance in harsh environments. The ergonomics have also been refined, with improved silicone buttons that retain their soft touch, even in cold temperatures, making it easier to operate in any weather condition.
The FH35R V2 is packed with additional features that enhance its versatility, including video recording, Picture-in-Picture (PIP) mode, and WiFi connectivity for seamless integration with the accompanying app. With a 35mm objective lens, a field of view of 10.5°×7.9°, and a detection range of up to 1800 meters, this monocular delivers exceptional clarity and reach, making it an indispensable tool for serious hunters and outdoor professionals.
- Model FH35R V2
- Resolution 640×512 pixels
- Pixel Size 12μm
- Thermal Sensitivity (NETD) ≤20mK
- Frame Rate 50Hz
- Objective Lens 35mm/F0.9
- Field of View (H×V) 10.5°×7.9°
- Magnification 2× to 8×
- Diopter Adjustment -5D to +5D
- Detection Range 1800 meters
- Display Type AMOLED
- Display Resolution 1024×768 pixels
- Battery Type Replaceable Li-ion Battery packs
- Maximum Battery Life 11 hours (5.5h × 2)
- Laser Rangefinder Range 800 meters ± 1 meter
- IP Rating IP67
- Interface Type C
- Microphone Yes
- Auto Display OFF Yes
- Memory 32GB
- WiFi & App Compatibility Yes
- Weight Less than 400g
- Dimensions 160×90×50 mm
- Upgraded 12μm thermal sensor with high sensitivity (≤20mK NETD)
- Large F0.9 aperture for enhanced image clarity
- Built-in Laser Range Finder with an 800-meter range and 1-meter accuracy
- 11-hour battery life with replaceable lithium-ion battery packs
- Pocket-sized, lightweight design (less than 400g)
- IP67-rated waterproof and dust-proof construction
- Improved silicone buttons for easy operation in cold conditions
- Video recording capability
- Picture-in-Picture (PIP) mode
- WiFi connectivity with app integration
- In-vehicle charging support
- IRay FH35R V2 640x512 12um <20mK Laser Range Finder Thermal Monocular
- Portable bag
- Type C USB cable
- HDMI cable
- Power adaptor
- IBP-2 battery pack x2
- IBC-2 batterycharger
- Hand strap
- Neck strap
- Lens cloth
- Quick start guide
- Device - Main Body: 3 years
- Accessory - Battery: 2 years
- Component - Detector: 10 years
Tactical Scope Shipping Policy
Our aim is to ensure that your order arrives with you as soon as possible and in the safest, most cost-effective means.
Shipping charges may be subject to additional surcharges if out of area or over weight restrictions.
DPD SHIPMENTS REQUIRE THE CUSTOMER TO SHOW A PIN CODE ON DELIVERY – READ MORE: HERE
Note: The above DPD link is to our group partner site Optics Warehouse, with whom we share logistics and stock. Link opens in a new window.
Couriers




We use DPD, Royal Mail, TNT, and UPS courier services for all our UK and international orders. Once your order is dispatched, you will receive an email with your unique tracking number.
In-Store Items
These are items we have in stock and aim to dispatch within 1–2 working days. During busy periods, this may be delayed slightly. If you'd prefer to collect your item in person, please contact us in advance to arrange. Collection orders must be paid for beforehand.
Pre-Order Items
Pre-order items are typically out-of-stock or in limited supply. Purchasing a pre-order secures your item, and it will be dispatched within 24 hours of restock where possible. Check the product page for estimated restock dates. These dates may change, so staying in touch is advised.
International Delivery & Taxes
If your shipping address is outside the UK, you may incur import duties or taxes upon arrival in your country. These charges are your responsibility. Customs regulations vary, so please check with your local customs office. Some packages may be opened for inspection.
Need Help?
If you need assistance, call us at +44 (0)1803 611895 (Optics Warehouse) or email order@tacticalscope.co.uk.
DPD Shipments & PIN Code Delivery
We have now introduced DPD Pin Code verification for all orders shipped via DPD. You will receive a PIN via email and text.
A valid email and mobile number must be provided at checkout. Emails will come from Riviera House 3PL. Please check spam/junk folders if not received.
Failure to present your PIN to the delivery driver will result in a failed delivery and rescheduling may be required.