Best Thermal Riflescope with 100mm lens,640*488 resolution

Sensor,uncooled FPA Detector, 640*480
Output resolution: 800*600px
Fram rate:50Hz
Thermal Sensitivity: below 50mk
Lens size:100mm
Polarity control:white hot/black hot/multiple color modes
Dimensions(without bracket):331*112*116mm
Weight:1.5kg