Secutor LRF 50-640

Name: AGM Secutor LRF 50-640
Brand: AGM

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 23.2 oz mounted weight and 6-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

74.0#11 of 35in this category

Image: 73
Handling: 73
Warranty: 100

Score breakdown

Key specs

Resolution: 640×512 px
Hog ID: 456 yd
Field of view: 8.8°
Weight: 23.2 oz

$3,233Best price

12 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.

AGM Secutor LRF 50-640 compared with InfiRay Hybrid Compact 640 3.5x 50mm compared with AGM Rattler V2 50-640 — key specifications
Scope	This scopeAGM Secutor LRF 50-64064050 mm2.5×	Similar setupInfiRay Hybrid Compact 640 3.5x 50mm64050 mm3.5×	Lower priceAGM Rattler V2 50-64064050 mm2.5×
At a glance
Best price	$3,233	$3,500	$2,695, advantage
HuntGrade Score	74.0	73.5	75.5, advantage
Overall rank	#37 of 155	#40 of 155	#21 of 155, advantage
Image
Image score	72.6, advantage	72.4	72.6, advantage
Resolution	640×512, advantage	640×480	640×512, advantage
Objective lens	50mm	50mm	50mm
Field of view	8.8°, widest field of view	7.3°	8.8°, widest field of view
Identification	456 yd	547 yd, advantage	456 yd
Handling
Handling score	73.1	74.1	82.5, advantage
Mounted weight	23 oz	26 oz	18 oz, advantage
Runtime	~6 hrs	~7 hrs	~9 hrs, advantage
Laser rangefinder	Built in, advantage	Built in, advantage	No
Warranty
Warranty score	100.0, advantage	90.0	100.0, advantage
Term	5 years	5 years	5 years
Transferable	Yes, advantage	No — first owner only	Yes, advantage

The reasoning

What earns its score.

See how each specification contributes to the Secutor LRF 50-640’s Image, Handling, and Warranty scores, and how those combine into its HuntGrade Score.

AGM Secutor LRF 50-640

640×512 sensor · 50 mm lens · 12 µm

ImageImage72.6× 80% weight

HandlingHandling73.1× 15% weight

WarrantyWarranty100.0× 5% weight

HuntGrade Score74.0

Image

72.6 pts

Sensor resolution62.0 pts640×51250% of Image

Animal detail98.1 pts456 yd ID15% of Image

Field of view72.9 pts8.8° horizontal FOV15% of Image

Sensitivity86.0 pts20 mK10% of Image

Optics90.0 ptsf/15% of Image

Screen57.5 pts1024×768 · 50 Hz5% of Image

Handling

73.1 pts

Mounted weight82.7 pts23.2 oz60% of Handling

Battery life46.0 pts6 hours20% of Handling

Water resistance95.0 ptsIP6710% of Handling

Eye relief48.0 pts45 mm10% of Handling

Warranty

100.0 pts

Electronics coverage100.0 pts5 years90% of Warranty

Transferability100.0 ptsTransferable10% of Warranty

Explore the full methodology

Behind the scope

Get to know AGM.

See where the Secutor LRF 50-640 fits in AGM’s lineup. Explore the product families, compare configurations and prices, and learn about the company behind the scope.

7 families · In-stock price ranges

Rattler V2

7 scopes

The budget line covers the basics, with a simpler feature set and no laser rangefinder.

$695–$2,695

View all 7 scopes

Rattler V3

4 scopes

The newer compact line, with higher-resolution displays than V2 and rangefinder options.

$1,595–$3,995

View all 4 scopes

Adder V2

5 scopes

Rattler V3-style features in a traditional scope body, with a 1280-class option.

$1,600–$5,995

View all 5 scopes

Varmint V2

2 scopes

Think Rattler V2 with a built-in rangefinder. An older alternative to the newer Rattler V3.

$1,674–$2,348

View all 2 scopes

This scope’s family

Secutor

3 scopes

An older rangefinder line with larger lenses for distant targets. Compare with Rattler V3.

$1,858–$5,995

View all 3 scopes

Clarion

2 scopes

Switchable lenses give you a wide view for scanning and a closer look at distant targets.

$1,995–$2,986

View all 2 scopes

Evolver

1 scope

A compact alternative to Adder V2 1280, with a shorter body and less battery life.

$5,994

View scope

The HIKMICRO connection.

Our sourcing research points to HIKMICRO as a supplier of AGM’s consumer thermal hardware. It draws on IPVM’s reporting on import records and company documents.

Your support relationship is with AGM.

AGM publishes its own U.S. warranty, handles claims and says it maintains in-house repair capabilities.

Explore AGM

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

On YouTube

Watch this scope in use.

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Manufacturer video

Product comparison — AGM Secutor LRF 384 / 50-640 / 75-640

Image comparison across all three configs.

Buying options

Where to buy.

See how prices differ for the Secutor LRF 50-640, and what each seller offers for the money.

Buying insights

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

Best price: $3,233
Median price: $3,995
MSRP: $4,295
In-stock sellers: 12

Compare sellers

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

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In-stock buying options for AGM Secutor LRF 50-640
Seller	Shipping	Returns	Price	Seller links
B&H Photo Video	Free shipping	30-day returns	$3,233Lowest price	Visit seller
MidwayUSA	Free shipping over $100 Ships same dayOrder by 1:00 PM CT	90-day returns	$3,995	Visit seller
Scopelist	Free shipping over $250 Ships same dayOrder by 4:00 PM ET	15-day returns	$3,995	Visit seller
EuroOptic	Free shipping over $250 Ships same dayOrder by 3:00 PM ET	15-day returns	$3,995	Visit seller
Scheels	Free shipping over $75 Ships in 1–2 business days	90-day returns	$3,995	Visit seller