Never used for hunting. This sight was sighted in only. [ 5 shots on a .270 rifle] The eyepiece did not suit my vision so I have up graded to a top of the line scope more suitable to me. More info here from where I bought it. https://www.guncity.com/guide-ts425-1.5-6x25-thermal-scope-50-hz-368834

Specifications:

• Detector Type: 400×300 @17µm, Vox
• Spectral: 8µm~14µm
• NETD: =50mk
• Focal Length: 25mm F1.1
• Focusing: Manual Focus
• FOV: 14.9°×11.2°
• Display: Colour 0.39-inch OLED Display, 1024×768
• Eyepiece: Exit pupil distance 48mm, eyepiece magnification 14×
• Magnification: 1.6~6.4×
• Frame Rate: 50Hz
• Digital Zoom: 2×,4×
• Color Palettes: White Hot, Black Hot, Red Hot 1, Red Hot 2, Red Hot 3, Green Hot, Blue Hot
• Picture-in-picture: On/off, the position is adjustable
• Hotspot tracking: Yes
• Compensation Modes: Auto Compensation / Shutter Compensation / Scene Compensation
• Calibration: 25m/50m/100m
• Stadiametric rangefinder: 1.8m/0.5m/0.25m
• Gun Types Selection: 6 Types
• Battery Type: Interchangeable Li-ion battery 18650 x 1, Non-rechargeable on the device
• Battery Operating Time: =3H (Standard low temp battery, Observation status only), =5H (Panasonic 3400mah standard 18650 battery, Observation status only)
• Video Interface: Lemo
• Operating Temperature: -40ºC-50ºC
• Encapsulation: IP67
• Weight (excl battery): 660g
• Dimensions: 230mm×90mm×75mm
• Detection Range: Human (1.8m×0.5m) - 700m, Vehicle (2.3m×2.3m) - 1700m
• Recognition Range: Human (1.8m×0.5m) - 350m, Vehicle (2.3m×2.3m) - 700m

Included: 1x Thermal Imaging Rifle Scope (25mm lens) 1x Picatinny rail mount 1x Plastic carrying case with pluck foam 1x Lens cap 1x Battery charger with EU-type AC adapter (for 2x 18650 Li-ion battery) 1x 18650 battery (2200mAh) 1x Video-out cable 1x User manual