Pixfra Sirius S650 Thermal Monocular
640x512, 12µm Detector, 50mm Lens
The Pixfra Sirius S650 is a compact yet powerful thermal monocular built for serious long-range detection. Featuring a 640×512, 12µm thermal sensor, <18mK NETD sensitivity, and a 50mm f/0.9 lens, it delivers crisp thermal detail and detects heat signatures out to 2,600 metres. A sharp 1920×1080 OLED display, AI-powered image calibration, 3.45x magnification, 64GB built-in storage, and video, snapshot, and Wi-Fi functions make it a highly capable choice for demanding observation in the field.
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The Pixfra Sirius S650 is a slimline thermal imaging monocular that combines impressive performance with a refined, ergonomic design. Built around a 640×512, 12µm thermal sensor with an outstanding <18mK NETD sensitivity, it delivers exceptional thermal detail and makes it easier to pick up even the smallest heat signatures in challenging conditions. Paired with a powerful 50mm f/0.9 objective lens, the Sirius S650 offers a remarkable detection range of up to 2,600 metres, making it a superb choice for wildlife observation, conservation work, and long-range spotting.
Image quality is further enhanced by AI-powered image calibration, which learns from captured images to optimise clarity across a wide range of environments. A 1920×1080, 0.49-inch OLED display provides a sharp, vivid viewing experience with excellent comfort during extended use, helping to reduce eye fatigue while giving you a clear and expansive view of the scene ahead. With 3.45x optical magnification and digital zoom options of 1x, 2x, 4x and 8x, the Sirius S650 gives you the flexibility to assess subjects at varying distances with confidence.
Designed with Pixfra’s distinctive styling, the Sirius S650 features subtle premium touches such as carbon fibre accents, an embossed focus wheel, and a neatly integrated illuminated power button built into the Pixfra logo. Its simplified three-button control layout allows for intuitive one-handed operation, while the metal lens cover adds extra protection against dust, scratches, and day-to-day knocks. With 64GB of built-in storage, video recording, snapshot capture, Wi-Fi hotspot connectivity, and Hot Spot Trace, it is well equipped for both observation and recording in the field.
The Sirius S650 is also built for reliability in demanding conditions. It runs on a replaceable 18650 battery and offers up to 6 hours of battery life, with a quick-release battery system for fast swaps when needed. A robust IP67 rating and an operating range of -30°C to +55°C ensure dependable performance in harsh weather, while USB-C power support adds further convenience. Compact, capable, and packed with useful features, the Pixfra Sirius S650 is a high-performance thermal monocular that more than lives up to its name.
- Thermal Sensor 640×512, 12µm, <18mK
- Lens 50mm f0.9
- Focus Control Manual
- Close Focus Distance 3 m (9.84 ft)
- Field of View H
- Detection Range 2,600 m (8,530.18 ft)
- Digital Zoom 1x, 2x, 4x, 8x
- Magnification 3.45×
- Frame Rate 50 Hz
- Display 1920 × 1080, 0.49 inch, OLED
- Colour Palettes 6 (White Hot, Black Hot, Iron Red, Alarm, Amber, Emerald)
- Storage Built-in 64 GB
- FFC Calibration Auto, Manual, External Correction
- Hot Spot Trace Yes
- Wi-Fi Hotspot Yes
- Video Recorder Yes
- Snapshot Yes
- Power Source Replaceable 18650 battery
- Battery Life Up to 6 hours, depending on temperature
- Power Supply 5 VDC / 2 A
- Port USB Type-C
- Operating Temperature –30 °C to +55 °C (–22 °F to +131 °F)
- Level of Protection IP67
- Product Dimensions 213.1 mm × 73 mm × 83.4 mm (L × W × H)
- Net Weight 537 g (1.18 lb)
- Slimline, ergonomic design for comfortable handling during extended use
- User-friendly layout that supports easy one-handed operation
- Simple three-button control system for quick access to core functions
- AI-powered image calibration that helps optimise image quality in changing conditions
- Crisp, immersive viewing experience designed for comfortable long observation sessions
- Reduced eye strain thanks to the high-quality display experience
- Suitable for wildlife observation, conservation work, and general thermal spotting
- Effective at identifying small heat signatures at long distance
- Quick-release battery system for fast and convenient battery changes in the field
- Replaceable battery design for longer use away from mains power
- Built-in video recording for capturing observations as they happen
- Snapshot function for saving still images quickly and easily
- Wi-Fi hotspot connectivity for linking the monocular to compatible devices
- Hot Spot Trace function for helping identify the hottest point in view
- Multiple colour palette options for adapting the image to different preferences and environments
- Multiple calibration modes for flexible operation in the field
- Integrated illuminated logo power button with adjustable brightness settings
- Option to switch the illuminated logo off completely when maximum darkness is needed
- Premium styling with signature Pixfra design details
- Carbon fibre-effect accents for a modern, distinctive finish
- Embossed focus wheel details for improved design and tactile feel
- Streamlined top profile that keeps controls neat and unobtrusive
- Protective metal lens cover for added durability in everyday use
- Lens protection against dust, scratches, and minor impacts
- Built-in storage for saving footage and images directly on the device
- Durable construction designed for demanding outdoor conditions
- Weather-resistant build suited to field use in harsh environments
- USB-C connectivity for convenient charging and power supply
- Pixfra Sirius S650 Thermal Monocular
What is the Pixfra Sirius S650 used for?
The Sirius S650 is designed for thermal observation and is ideal for spotting heat signatures in darkness, poor weather, woodland, open fields, and other challenging environments. It is well suited to wildlife observation, conservation, pest control, and general long-range detection.
How far can the Sirius S650 detect heat?
The Sirius S650 can detect heat signatures at distances of up to 2,600 metres, making it a strong option for users who need impressive long-range thermal performance.
Is the image quality good enough for spotting small details?
Yes, the Sirius S650 uses a high-quality 640×512 thermal sensor with excellent sensitivity, which helps produce clear thermal images and improves the ability to pick up smaller heat signatures more easily.
Does this monocular work well in bad weather?
Yes, thermal imaging can perform very well in rain, mist, fog, and total darkness where traditional optics may struggle. The Sirius S650 is also built with a durable IP67-rated housing for reliable outdoor use.
Is it suitable for wildlife observation?
Yes, it is a very good choice for wildlife observation. It allows you to detect animals through heat rather than relying on visible light, which is especially useful at night or in dense cover.
Can I use it in complete darkness?
Yes, because it is a thermal device, it does not need daylight or an external light source to detect heat. It can be used effectively in complete darkness.
Is the Sirius S650 easy to use?
Yes, it has a simple three-button control layout and an ergonomic design that supports comfortable one-handed operation, making it straightforward to use in the field.
Does it record video and take photos?
Yes, the Sirius S650 can record video and capture still images, allowing you to save important sightings and observations directly onto the device.
Does it have built-in storage?
Yes, it features 64GB of built-in storage, giving you plenty of space for saved images and video recordings.
Can I connect it to my phone or tablet?
Yes, the Sirius S650 has Wi-Fi hotspot functionality, which allows it to connect with compatible smart devices for viewing and sharing footage.
How long does the battery last?
The battery can last for up to 6 hours, depending on temperature and usage. Real-world battery life may vary slightly depending on conditions.
Can I change the battery quickly in the field?
Yes, the Sirius S650 uses a quick-release battery system, making battery swaps fast and easy when you are out observing for longer periods.
What type of battery does it use?
It uses a replaceable 18650 battery, which is convenient for users who want to carry spares and extend runtime in the field.
Is it comfortable to use for long periods?
Yes, the Sirius S650 is designed with user comfort in mind. Its slimline shape, ergonomic handling, and high-quality OLED display help make longer viewing sessions more comfortable.
Will the screen be clear and easy to view?
Yes, it has a sharp 1920×1080 OLED display that provides a crisp and vivid image, helping you observe clearly and comfortably.
Does it offer different viewing modes or colour palettes?
Yes, the Sirius S650 includes multiple colour palettes, allowing you to choose the display style that best suits your surroundings and personal preference.
Can it help me identify the hottest point in the image?
Yes, it includes a Hot Spot Trace function, which helps identify the hottest point within the observed scene.
Is the lens protected when not in use?
Yes, it has a metal lens cover that helps protect the lens from scratches, dust, and everyday knocks while out in the field.
Is this a good option for regular outdoor use?
Yes, it is built for demanding outdoor use, with a durable construction, weather resistance, and features that make it practical for regular fieldwork and observation.
Does it need manual focusing?
Yes, the Sirius S650 uses manual focus, allowing you to fine-tune the image for the clearest possible view depending on distance and surroundings.
Is this a good choice for someone wanting premium thermal performance in a handheld unit?
Yes, the Sirius S650 is a strong option for anyone looking for high-spec thermal performance, long detection range, clear image quality, and useful digital features in a compact handheld monocular.
- Pixfra 3 year warranty
Our aim is to ensure that your order arrives with you as soon as possible and in the safest, most cost-effective means.
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COURIERS
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We use DPD , RoyalMail, TNT and UPS courier services for all our orders whether dispatching to the UK or International. As soon as your order has been dispatched you will receive an email with your unique tracking number. We are unable to add delivery notes to your order regarding safe spaces or neighbour deliveries. If you require this service it can be arranged directly with the courier once the parcel is in their network.
IN-STORE ITEMS
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INTERNATIONAL DELIVERY & TAXES
In addition to the above information If your delivery address is outside of the UK you may be subject to import duties and taxes, which are levied once a shipment reaches your country. Any such additional charges for customs clearance must be borne by you. You should note that customs policies vary widely from country to country. Optics Warehouse advises each customer to contact their local customs office for further information if they are in any way unsure of local duties or liabilities. Cross border shipments are subject to opening and inspection by customs authorities which means some packages may be opened and re-sealed.
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A NOTE ABOUT DPD SHIPMENTS:
- Please be advised that we have now introduced DPD Pins to all DPD orders from Optics Warehouse.
- If your shipment is being sent from Optics Warehouse via DPD you will be sent a Pin Code that must be shown to the courier upon delivery.
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