ThOR 5 LRF 640 4-32x

Name: ATN ThOR 5 LRF 640 4-32x
Brand: ATN

640-class sensor50 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 40.5 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

68.4#31 of 35in this category

Image: 68
Handling: 62
Warranty: 90

Score breakdown

Key specs

Resolution: 640×480 px
Hog ID: 456 yd
Field of view: 8.8°
Weight: 40.5 oz

$2,700Best price

7 in-stock sellers

Side by side

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.

ATN ThOR 5 LRF 640 4-32x compared with ATN ThOR 5 640 4-32x compared with ATN ThOR 5 LRF 640 2-16x — key specifications
Scope	This scopeATN ThOR 5 LRF 640 4-32x64050 mm4×	Similar setupATN ThOR 5 640 4-32x64050 mm4×	Lower priceATN ThOR 5 LRF 640 2-16x64025 mm2×
At a glance
Best price	$2,700	$2,609	$2,420, advantage
HuntGrade Score	68.4	69.0, advantage	68.4
Overall rank	#76 of 155	#70 of 155, advantage	#76 of 155
Image
Image score	68.3, advantage	68.3, advantage	68.1
Resolution	640×480	640×480	640×480
Objective lens	50mm, largest lens	50mm, largest lens	25mm
Field of view	8.8°	8.8°	17.6°, widest field of view
Identification	456 yd, advantage	456 yd, advantage	228 yd
Handling
Handling score	62.0	65.8, advantage	63.1
Mounted weight	41 oz	36 oz, advantage	39 oz
Runtime	~10 hrs	~10 hrs	~10 hrs
Laser rangefinder	Built in, advantage	No	Built in, advantage
Warranty
Warranty score	90.0	90.0	90.0
Term	5 years	5 years	5 years
Transferable	No — first owner only	No — first owner only	No — first owner only

The reasoning

What earns its score.

See how each specification contributes to the ThOR 5 LRF 640 4-32x’s Image, Handling, and Warranty scores, and how those combine into its HuntGrade Score.

ATN ThOR 5 LRF 640 4-32x

640×480 sensor · 50 mm lens · 12 µm

ImageImage68.3× 80% weight

HandlingHandling62.0× 15% weight

WarrantyWarranty90.0× 5% weight

HuntGrade Score68.4

Image

68.3 pts

Sensor resolution60.2 pts640×48050% of Image

Animal detail98.1 pts456 yd ID15% of Image

Field of view72.9 pts8.8° 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

62.0 pts

Mounted weight56.8 pts40.5 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 640 4-32x 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

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

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

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

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.

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Watch this scope in use.

Reviews and demonstrations of the ATN ThOR 5 LRF 640 4-32x, together in one place.

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Hunt footage

ATN ThOR 5 LRF 640 4-32x — footage and hog kill

Recorded on the 4-32x.

Buying options

Where to buy.

See how prices differ for the ThOR 5 LRF 640 4-32x, and what each seller offers for the money.

Buying insights

Compare listed prices, then weigh each seller’s shipping and return policies.

Best price: $2,700
Median price: $3,495
MSRP: $3,495
In-stock sellers: 7

Compare sellers

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 640 4-32x
Seller	Shipping	Returns	Price	Seller links
EuroOptic	Free shipping over $250 Ships same dayOrder by 3:00 PM ET	15-day returns	$2,700Lowest price	Visit seller
Scopelist	Free shipping over $250 Ships same dayOrder by 4:00 PM ET	15-day returns	$2,700Lowest price	Visit seller
NightVision4Less	Free shipping Ships in 1–2 business days	No returns	$3,295	Visit seller
Night Vision Guys	Free shipping over $299	Exchanges only, 7 days	$3,495	Visit seller
Palmetto State Armory	Calculated at checkout Ships in 5–7 business days	No returns	$3,496	Visit seller