A thermal scope for predator hunting gives you a decisive edge on coyotes, foxes, bobcats and other varmints that move at night. Because thermal reads heat, it reveals a predator crossing a field or slipping through brush in total darkness — long before you could see it with the naked eye. This guide covers what matters for predator and varmint control, then links to proven optics.
Know your local laws. Regulations for hunting with thermal and night vision vary by state, county and species. Always confirm what is legal where you hunt before you buy.
Top thermal optics for predator and varmint hunting
Each model links to full specifications, pricing and availability:
- Rattler V2 19-256
- Rattler V2 25-320
- Rattler V2 25-384
- Rattler V2 35-384
- Rattler V2 35-640
- Rattler V2 50-640
- Adder V2 35-384
- Adder V2 LRF 35-384
What to look for
Resolution for small targets
Predators present a smaller heat signature than hogs, so a higher-resolution 640×512 sensor helps you identify and place an ethical shot at distance. See our coyote hunting guide.
Detection range and field of view
A larger objective lens extends detection range for open-country calling, while a wider field of view helps when predators come in fast and close. Read how far a thermal scope can see.
Refresh rate and reticle
A 50Hz refresh keeps running coyotes smooth in the frame. Multiple digital reticles and onboard recording help you adapt and review each stand.
Related guides
Frequently asked questions
What is the best thermal scope resolution for coyotes?
A 640×512 sensor is best for coyotes and other small predators because it identifies a smaller heat signature at greater distance than a 384 sensor.
Can thermal scopes be used for varmint control during the day?
Yes. Thermal detects heat, so it works day or night, which is useful for daytime ground-squirrel and varmint control as well as nighttime predator hunting.
How far can I detect a coyote with thermal?
A quality 640 thermal optic can detect a coyote-sized heat signature across open ground at several hundred yards or more, with positive identification at a shorter range depending on lens size and conditions.