Pixfra SIRUS Thermal Monocular OLED 50mm Pix 640x512 Dis 1920x1080

New Cylinder with Lens-Integrated 1000m LRF

The Sirius LRF series thermal monocular, building upon the classic S650 model, features an upgraded ergonomic cylindrical design while preserving its premium aesthetic. Equipped with a built-in Laser Rangefinder module, it delivers precise target distance measurement up to 1000m (±1m accuracy), making it ideal for people who value both traditional styling and advanced functionality.

High-Performance Thermal Vision

Sirius, equipped with an 18mK NETD sensor and an F0.9 large aperture lens, elevates thermal imaging with the PIPS 2.0 (Pixfra Imaging Processing System). This cutting-edge technology, combined with our cohesive lens and sensor design, ensures a superior thermal experience that surpasses conventional standards, offering users an unprecedented level of accuracy and reliability.

Vast Display with Comfortable Viewing

Experience the brilliance of Sirius, highlighted by its 0.49-inch screen with a 1920×1080 OLED resolution. This expansive display delivers a viewing experience that’s second to none, offering a comfortable and clear vista that brings distant scenes to life with vivid clarity.

New Family Design Language

Step into a legacy of design with our signature side power key. Complemented by a crystal breathing light, it offers 5-level brightness and subtly signals device status. The lens’s X-marked focus ring and carbon fiber accents provide both precision and uniqueness, making the device as easy to use as it is a pleasure to handle.

Empower Your Journey with Two in One

Experience the dual-view versatility, offering a seamless shift from a 25mm scan to a 50mm close-up with continuous zoom increments, all without re-focusing. Equipped with the functionality of two telescopes in a single device, it meets the needs for search, positioning, and observation all at once. Achieve seamless vision transition and swiftly lock onto targets with this versatile feature.(S650D model only)

Reliable Single-Handed Control

Sirius features a classic three-key layout designed for reliable one-handed operation. Its comfortable shape and lightweight design ensure a pleasant grip for extended outdoor adventures, highlighting Sirius’s commitment to user-friendly functionality.

Quick-Change Battery

Sirius brings easy battery access system that makes battery changes super quick. With a simple touch, the cover pops open, letting you quickly swap batteries, and it locks securely back into place, making every use smooth and dependable.

Equipped with Metal Lens Cover

The metal lens cap offers robust protection, guarding against dust, scratches, and impacts. This durable cover is designed to ensure the longevity and clarity of the optical experience.

All-Day Comfort with Color Palettes

Siruis offers a suite of comfortable color mode options, designed to meet the needs of all-day use. The popular Amber and Jade modes stand out for their pleasing visuals that reduce eye fatigue, ensuring your comfort from dawn to dusk.

AI-Powered Image Calibration

It learns from every picture it takes, getting better at making the images look great no matter where you are. Just pick it up, and you’ll see a clear view right away.

Pay Attention to Every Detail

Witness the 3.9x maximum system magnification, bringing distant details into vivid focus and bridging the gap between you and the farthest views with lifelike clarity.

Product Model	PFI-S435	PFI-S635	PFI-S650	PFI-S650D	PFI-S650 LRF
Detector Type	Vanadium oxide uncooled focal plane detector	Vanadium oxide uncooled focal plane detector	Vanadium oxide uncooled focal plane detector	Vanadium oxide uncooled focal plane detector	Vanadium oxide uncooled focal plane detector
Effective Pixels	384 (H) × 288 (V)	640 (H) × 512 (V)	640 (H) × 512 (V)	640 (H) × 512 (V)	640 (H) × 512 (V)
Pixel Pitch	12 μm	12 μm	12 μm	12 μm	12 μm
Spectral Range	8μm～14μm	8μm～14μm	8μm～14μm	8μm～14μm	8μm～14μm
Sensitivity (NETD)	≤18 mK@f/1.0	≤18 mK@f/1.0	≤18 mK@f/1.0	≤18 mK@f/1.0	≤18 mK@f/1.0
Focal Length	35 mm	35 mm	50 mm	25 mm; 50 mm	50 mm
Thermal Focus Control	Manual	Manual	Manual	Manual	Manual
Close Focus Distance	3 m (9.84 ft)	3 m (9.84 ft)	3 m (9.84 ft)	25 mm: 2 m (6.56 ft); 50 mm: 8 m (26.25 ft)	3 m (9.84 ft)
Aperture	F1.0	F1.0	F0.9	25 mm: F0.88; 50 mm: F1.1	F0.9
Field of View	H: 7.85°; V: 5.89° / H: 13.7 m; V: 10.3 m (@100 m)	H: 12.4°; V: 10° / H: 21.9 m; V: 17.6 m (@100 m)	H: 8.8°; V: 7.1° / H: 15.4 m; V: 12.3 m (@100 m)	25 mm: H: 17.9°; V: 14.2° / H: 30.7 m; V: 24.6 m (@100 m); 50 mm: H: 8.8°; V: 7.0° / H: 15.4 m; V: 12.3 m (@100 m)	H: 8.8°; V: 7.1° / H: 15.4 m; V: 12.3 m (@100 m)
Detection Distance	1,800 m (5,905.31 ft)	1,800 m (5,905.31 ft)	2,600 m (8,530.18 ft)	25 mm: 1,300 m (4,265.09 ft); 50 mm: 2,600 m (8,530.18 ft)	2,600 m (8,530.18 ft)
Digital Zoom	1 ×; 2 ×; 4 ×; 8 ×	1 ×; 2 ×; 4 ×; 8 ×	1 ×; 2 ×; 4 ×; 8 ×	1 ×; 2 ×; 4 ×; 8 ×	1 ×; 2 ×; 4 ×; 8 ×
Magnification	3.68 ×	2.41 ×	3.45 ×	25 mm: 1.72 ×; 50 mm: 3.45 ×	3.45 ×
Frame Rate	50 Hz	50 Hz	50 Hz	50 Hz	50 Hz
Screen	1920 × 1080, 0.49 inch, OLED	1920 × 1080, 0.49 inch, OLED	1920 × 1080, 0.49 inch, OLED	1920 × 1080, 0.49 inch, OLED	1920 × 1080, 0.49 inch, OLED
Color Palettes	6 (white hot/black hot/iron red/alarm/amber/emerald)	6 (white hot/black hot/iron red/alarm/amber/emerald)	6 (white hot/black hot/iron red/alarm/amber/emerald)	6 (white hot/black hot/iron red/alarm/amber/emerald)	6 (white hot/black hot/iron red/alarm/amber/emerald)
Storage	Built-in 64 GB	Built-in 64 GB	Built-in 64 GB	Built-in 64 GB	Built-in 64 GB
FFC Calibration	Auto, Manual, External Correction	Auto, Manual, External Correction	Auto, Manual, External Correction	Auto, Manual, External Correction	Auto, Manual, External Correction
Hot Spot Trace	Yes	Yes	Yes	Yes	Yes
Wi-Fi Hotspot	Yes	Yes	Yes	Yes	Yes
Video Recorder	Yes	Yes	Yes	Yes	Yes
Snapshot	Yes	Yes	Yes	Yes	Yes
Battery Type	Replaceable 18650 battery	Replaceable 18650 battery	Replaceable 18650 battery	Replaceable 18650 battery	Replaceable 18650 battery
Battery Life	≥7.5 h	≥6 h	≥6 h	≥6 h	≥6 h
Power Supply	5 VDC/2 A	5 VDC/2 A	5 VDC/2 A	5 VDC/2 A	5 VDC/2 A
Port	USB Type-C	USB Type-C	USB Type-C	USB Type-C	USB Type-C
Operating Temperature	–30 °C to +55 °C (–22 °F to +131 °F)	–30 °C to +55 °C (–22 °F to +131 °F)	–30 °C to +55 °C (–22 °F to +131 °F)	–30 °C to +55 °C (–22 °F to +131 °F)	–30 °C to +55 °C (–22 °F to +131 °F)
Protection Grade	IP67	IP67	IP67	IP67	IP67
Product Dimensions	194.3 mm × 54 mm × 65.4 mm	194.3 mm × 54 mm × 65.4 mm	213.1 mm × 73 mm × 83.4 mm	223 mm × 61 mm × 71.4 mm	213.1 mm × 73 mm × 83.4 mm
Packaging Dimensions	291 mm × 140 mm × 127 mm	291 mm × 140 mm × 127 mm	291 mm × 140 mm × 127 mm	291 mm × 140 mm × 127 mm	291 mm × 140 mm × 127 mm
Net Weight	421 g	421 g	537 g	537 g	537 g