Conventionally Talking, You may use a weapon sight as an optics for observation, but it's not probably the most cozy solution. The design characteristics on the scopes will not be incredibly effortless for easy observation. Ideal overall performance is at 1x and then digital magnification for 2x and 4x. I https://thermalbinocular41851.shotblogs.com/binocular-thermal-vision-an-overview-41095797