Double image phenomenon on fixed dome cameras
Last update: June, 2021
A fixed dome camera may display a double image depending on the vertical (TILT) angle, due to the curvature of its dome cover. This phenomenon occurs when the camera direction is nearly horizontal.
![](/products_and_solutions/sites/default/files/2022-09/doubleimg1_1.png)
Occurrence condition
When the vertical (TILT) angle is approx. 70 degrees or higher (C-B in the below picture)
Countermeasure
Adjust the vertical (TILT) angle to lower than 70 degrees (B-A in the below picture)
![](/products_and_solutions/sites/default/files/2022-09/doubleimg2.png)
Position of camera lens
![](/products_and_solutions/sites/default/files/2022-09/doubleimg3.png)