Model

HT-A4

HT-A74

Detector type

uncooled focal plane

Resolution

384x288 IR focal plane

256x192 IR focal plane

LCD resolution

720X540

Focal length

19mm；25mm；35mm

6.9mm；9.7mm

Eyepiece

Monocular display (curve light correction adjustable)

Field of view

19.5°x14.7°； 14.9°x11.2°； 10.7°x 8°

Digital zoom

2x；4x

Wavelength range

8μm~14μm

Frame rate

50Hz

25Hz

Palette

Rainbow/Hot Metal/White Hot/Black Hot/Yellow Saturation/Bird Mode