Sunell.
Sunell.

The Relationship Between Focal Length and Monitor Distance

please refer to the table as below


Focal Length

Field of view (e.g)

Recommend monitor distance

2.8mm

98.5°

About 3 meters

4mm

79°

About 6 meters

6mm

49°

About 10 meters

8mm

40°

About 20 meters

12mm

23°

About 30 meters

16mm

19.2°

About 50 meters

25mm

12.4°

About 80 meters

※Field of view angle varies from different model, refer to the official   website for accurate parameter


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