Thermal scopes/ATN/ThOR 5 LRF 320 5-20x
    ATN ThOR 5 LRF 320 5-20x thermal scope

    ATN

    ThOR 5 LRF 320 5-20x

    384-class sensor35 mm lens

    This sensor and lens combination favors identifying animals farther away, trading a broad scanning view for a narrower view of distant targets. Its 39.6 oz mounted weight and 10-hour listed runtime are worth weighing together for longer nights. Compare current offers and the alternatives below to see what a change in price buys you.

    HuntGrade Score

    50.1#29 of 29in this category
    Image
    45
    Handling
    63
    Warranty
    90
    Score breakdown

    Key specs

    Resolution
    320×240 px
    Hog ID
    319 yd
    Field of view
    6.3°
    Weight
    39.6 oz
    $1,810Best price
    7 in-stock sellers

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    Compare alternatives.

    Compare price, image performance, and handling to see which tradeoffs suit your hunting. Start with these alternatives, or compare any scope in the full lineup.

    Compare specs.

    ATN ThOR 5 LRF 320 5-20x compared with ATN ThOR 5 320 5-20x compared with ATN ThOR 5 LRF 320 3-12x — key specifications
    Scope
    This scopeATN ThOR 5 LRF 320 5-20x38435 mm5×
    Similar setupATN ThOR 5 320 5-20x38435 mm5×
    Lower priceATN ThOR 5 LRF 320 3-12x38419 mm3×
    At a glance
    Best price$1,810$1,700$1,520, advantage
    HuntGrade Score50.150.651.2, advantage
    Overall rank#144 of 155#141 of 155#138 of 155, advantage
    Image
    Image score45.245.246.5, advantage
    Resolution320×240320×240320×240
    Objective lens35mm, largest lens35mm, largest lens19mm
    Field of view6.3°6.3°11.6°, widest field of view
    Identification319 yd, advantage319 yd, advantage173 yd
    Handling
    Handling score62.866.4, advantage63.1
    Mounted weight40 oz36 oz, advantage39 oz
    Runtime~10 hrs~10 hrs~10 hrs
    Laser rangefinderBuilt in, advantageNoBuilt in, advantage
    Warranty
    Warranty score90.090.090.0
    Term5 years5 years5 years
    TransferableNo — first owner onlyNo — first owner onlyNo — first owner only

    The reasoning

    What earns its score.

    See how each specification contributes to the ThOR 5 LRF 320 5-20x’s Image, Handling, and Warranty scores, and how those combine into its HuntGrade Score.

    ATN ThOR 5 LRF 320 5-20x

    ATN ThOR 5 LRF 320 5-20x

    320×240 sensor · 35 mm lens · 12 µm

    ImageImage45.2× 80% weight
    HandlingHandling62.8× 15% weight
    WarrantyWarranty90.0× 5% weight
    HuntGrade Score50.1

    Image

    45.2 pts
    Sensor resolution22.2 pts320×24050% of Image
    Animal detail89.8 pts319 yd ID15% of Image
    Field of view53.9 pts6.3° horizontal FOV15% of Image
    Sensitivity58.0 pts40 mK10% of Image
    Optics72.0 ptsf/1.25% of Image
    Screen62.1 pts1024×768 · 60 Hz5% of Image

    Handling

    62.8 pts
    Mounted weight58.2 pts39.6 oz60% of Handling
    Battery life78.0 pts10 hours20% of Handling
    Water resistance30.0 ptsWeather resistant10% of Handling
    Eye relief93.0 pts90 mm10% of Handling

    Warranty

    90.0 pts
    Electronics coverage100.0 pts5 years90% of Warranty
    Transferability0.0 ptsOriginal owner only10% of Warranty
    Explore the full methodology

    Behind the scope

    Get to know ATN.

    See where the ThOR 5 LRF 320 5-20x fits in ATN’s lineup. Explore the product families, compare configurations and prices, and learn about the company behind the scope.

    4 families · In-stock price ranges

    ATN ThOR 6 Mini 640x512 3-24x

    ThOR 6 Mini

    6 scopes

    The lighter, compact ThOR 6 option for smaller setups, without a built-in rangefinder.

    $620–$2,287
    View all 6 scopes
    This scope’s family
    ATN ThOR 5 LRF 320 5-20x

    ThOR 5

    14 scopes

    The older full-size line, with smart features and ranging options. Compare with ThOR 6.

    $1,180–$3,040
    View all 14 scopes
    ATN ThOR 6 LRF 640x512 3-24x

    ThOR 6

    7 scopes

    The newer full-size line, with sharper displays than ThOR 5 and rangefinder options.

    $1,595–$2,995
    View all 7 scopes
    ATN ThOR 5 XD LRF 1280 4-40x

    ThOR 5 XD

    6 scopes

    The high-resolution ThOR 5 option, with more image detail to work with when zooming.

    $3,839–$5,139
    View all 6 scopes

    ThOR is the thermal family.

    ATN’s ThOR scopes use thermal imaging. Its X-Sight products use digital day/night imaging, a different technology despite overlapping smart features.

    Check the policy for your generation.

    ATN’s warranty duration varies by product. Its support team handles troubleshooting and return authorizations through the U.S. repair center.

    Explore ATN

    Explore the families, compare prices with similar scopes, and learn about the company behind them.

    Buying options

    Where to buy.

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    Buying insights

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    Best price
    $1,810
    Median price
    $2,250
    MSRP
    $2,295
    In-stock sellers
    7

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    Prices verified October 2026, seller terms August 2026. HuntGrade may earn an affiliate commission. How we make money

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    In-stock buying options for ATN ThOR 5 LRF 320 5-20x
    Seller Shipping Returns Price Seller links
    EuroOpticFree shipping over $250
    Ships same dayOrder by 3:00 PM ET
    		15-day returns$1,810Lowest priceVisit seller
    ScopelistFree shipping over $250
    Ships same dayOrder by 4:00 PM ET
    		15-day returns$1,810Lowest priceVisit seller
    NatchezNot recorded60-day returns$1,930Visit seller
    NightVision4LessFree shipping
    Ships in 1–2 business days
    		No returns$2,250Visit seller
    OpticsPlanetFree shipping over $49
    Ships in 1–2 business days
    		30-day returns$2,295Visit seller