Last update: June, 2021

This article describes how to improve blur image on far objects under low illuminance, by making depth of field* deepen for i-PRO Network Camera (especially with indoor / outdoor box camera).

*What is Depth of field? - The area in focus on an image. 

• Deep depth of field: The area in focus is wide 
• Shallow depth of field: The area in focus is small

 

Conditions 

• The image has depth
• Ambient illuminance is low
• Focus is on the near side

Countermeasure

To improve blur image on far objects, make depth of field deepen by manually moving the focus to the “Far” side

 

Other considerable methods

• Increase the ambient illuminance
• Increase the shutter speed in [Maximum Shutter]
• Use a brighter(lower f-number) lens with deep depth of field