2022-07-27

Contact Engineer manager

WhatsApp/ Wechat:   0086-18792456795

The thermal imaging effect is dominated by motion, and the choice of fixed focus and zoom thermal imaging depends on the specific project requirements.

(Thermal Imaging Lens)

Difference:

1. Prices vary widely. For example, the price difference between 100mm fixed focus and 20-100mm zoom thermal imaging has almost doubled. The price difference is so large, mainly because the zoom thermal imaging process is complicated, and multiple controllable lens groups need to be built within the zoom lens.

2. The performance varies greatly. At 100mm focal length, both have the same imaging effect. However, when observing a close-range target within a range of 10 meters, due to the long focal length of the fixed-focus lens, the image of the close-range target is too large, but the entire object cannot be seen. For example, when you see a person, you can only see part of his body. The zoom is adjustable to 20mm focal length, and multiple targets can be seen within 10 meters.

3. Based on these characteristics of fixed focus and zoom, zoom is usually selected in applications that emphasize the need to observe people from a distance, prevent intrusion and theft.

(Thermal Imaging Zoom Lenses and Thermal Imaging Prime Lenses)

In the field of forest fire prevention, fire warning is usually several kilometers. The focus is on the fire alarm function of thermal imaging, rather than the observation of specific things, so the cost-effective fixed-focus thermal imaging is usually selected. Because there is a fire in the vicinity of more than 10 meters, there is no need for lens magnification, and it does not affect the thermal imaging alarm.

Moreover, in the setting of the device, the usual practice is to set the cruise at the farthest focal length of 100mm, so as to give full play to the maximum detection distance of the device. If you are using zoom thermal imaging, the short focal length will only be useful in presentations, usually not in working conditions.

(Image)

Contact Engineer manager

WhatsApp/ Wechat:   0086-18792456795