InfiRay Iray FH35R Finder 640x512 12um <40mk Laser Rangefinder Thermal Monocular
- Excellent value for money
- 640x512 12um thermal sensor
- 3.4x base magnification
- 40mkÂ
- Laser rangefinderÂ
- 35mm focal length
The Finder series products are light and easy to carry, especially suitable for one-handed operation that can be put in a pocket anytime and anywhere. The compact design and built-in laser rangefinder make the Finder the best choice for nighttime hunting, animal observation, or search and rescue.
| Model | FH35R |
| Resolution, pixels | FH35R |
| Pixel size, um | 12 |
| Sensor NETD, MK | 40 |
| Frame refresh rate, Hz | 50 |
| Objective Lens | F35/ 1.0 |
| Field of view, degrees | 12.6X10.1 |
| Optical magnification, x | 3.4 ~ 13.6 |
| Digital zoom, x | x1, x2, x3, x4 |
| Display Type | OLED, 1024 x 768 |
| Battery type | Li-ion battery pack, replaceable |
| Max. battery life (t=25℃) ★, h | 6 5.5 |
| Laser rangefinder range, m | 800 ±/-1 |
| Amount of built-in memory, GB | 32 |
| Dimension, mm | 160x90x50 |
| Weight(without replaceable battery), g | 400 |
| Detection Range, m (Target size:1.7m×0.5m, P(n)=99%) | 1818 |
High Image Quality
The advanced image processing ability of the InfiRay detector, which has high-performance electronics and optimized infrared optics, creates excellent image clarity and provides better detection and classification, both day and night.
12 µm Thermal Imaging Sensor
A powerful objective lens in combination with a 12 µm professional-grade thermal imaging sensor provides exceptional detection capabilities. A standard 1,7 m (5.58 ft) tall object can be detected at a 1300 m (1420 yds) distance in complete darkness.
Long Detection Range 1298 m
The powerful objective lens combined with a 12 μm professional-grade thermal imaging sensor provides exceptional detection capabilities.
High Image Frequency 50 Hz
The 50 Hz refresh rate guarantees that you will capture every moment that you are interested in.
HD Micro-Display
1280×960 high-resolution internal display offers sharp images and vivid colors.
Integrated Laser Rangefinder (LRF) 600m
The Finder series has a built-in laser ranging module, which helps to quickly and accurately capture and display the target distance. The ranging accuracy is ± 1 m and the maximum ranging distance is 600 m. Integrated, precision laser rangefinder provides accurate rangefinding, it provides both single ranging and continuous ranging modes. Continuous ranging can be quickly activated to adapt to the constantly changing distance of the observed object.
Pocket Machine
The compact size and light weight make it easy to carry and operate with one hand. It can be put into your pocket anytime and anywhere. The Finder weighs only 320 g,which is lighter than conventional rangefinders, but much more powerful. The compact size of the thermal imager makes it an optimal portable unit for scouting and spotting.
Infrared Sensor Switch
By sensing the reflection, the infrared sensor switch controls the display on and off automatically which saves power and extends the device's operation time.
Built-in Video Recorder and WiFi Connection
With built-in storage space, the Finder series can save the best moments of your time in the field in the form of photos or videos for sharing with colleagues, friends, and family.
App Supported
Built-in Wi-Fi module provides connectivity of Finder with Android or iOS smartphones or tablets. The smartphone and thermal imager combination offer a set of unique features such as direct image streaming, downloading and sharing recorded files, and firmware.
Built-in Accelerometer and Digital Compass
Built-in accelerometer and digital compass improve accuracy by precisely identifying cant and angles.
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.

