Alpha Optics AO-4435 Thermal Imaging Weapon Sight

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Alpha Optics AO-4435 Thermal Imaging Weapon Sight

Key Features:

- Optimized for medium- and long-range engagements

- FLIR High Resolution Core

- Automatic/manual shutter image calibration

- Precise internal lens focusing mechanism

- Manual display brightness adjustment

- Switchable image polarity: White Hot / Black Hot / Colored Hot

- Switchable reticle: Mil-Dot or crosshair with 5 color options

- Mean Point of Impact correction function

- Battery status indicator

- Quick-Release Weaver Mount

- Rated for use with heavy recoil weapons

- Recording: Video Output /Optional Video Recorder with onboard replay


PDF icon Download Spec Sheet (1.01 MB)
Optical Magnification2.0x
Digital Magnification2.0x, 4.0x
Lens System50 mm; F/1.2
Field of View7.4° × 5.6°
Core Resolution336 x 256 pxl
Pixcel Pitch17 μm
Eye Relief50 mm
Focus Range10 m to infinity
Diopter Adjustment-4 to +3 dpt
Image Refresh Rate30 Hz
Thermal Sensitivity (NETD)< 50 mK
Display Type and ResolutionAMOLED 800 x 600 pxl
Start up Timemin 5 sec
Object Type and Size, approx2.4 sq.m
Detection, approx1800 m
Recognition, approx900 m
Battery TypeCR123 (two)
Battery Lifeup to 4 hours
Water IntrusionMeets IP67 rating
Humidityup to 98%
Operating temperature-40°C to +50°C
Dimensions with mount250 x 75 x 70 mm
Weight654 g


The Alpha Optics AO-4435 Thermal Imaging Weapon Sight provides thermal target acquisition and engagement on light to heavy weapon platforms. Superb Germanium optics paired with an advanced Vanadium Oxide (VOx) uncooled thermal core and proprietary electronics are the heart of this powerful multi-spectral, all-environment system. The Alpha Optics AO-4435 features a user-friendly menu with multiple options which can be intuitively accessed to customize settings to the shooter’s needs without disengaging from the target. The extremely rugged, light and compact The Alpha Optics AO-4435 is nitrogen-purged and is water-, dust- and shock-proof. The Alpha Optics AO-4435 Thermal Imaging Sight is action ready in virtually any environment or light conditions including conditions when the environmental obscurants such as smoke, dust, haze, fog, are present.