Video is washed out or Dark on my Fixed and PTZ camera.

Issue

  • Lenses use an Iris to control light for processing. There are different types of lenses using iris functions.
  • Video is Dark or Iris Closes
  • Adjust Video Settings and configurations

Product Line

Pelco Cameras

Environment

  • All models of box and PTZ cameras  all versions
  • Manual Iris Lens
  • Auto Iris lens

Cause

  • The issue is caused by over exceeded light reflectance entering the aperture and "drowning out" all other reflected details.
  • Data Settings are stored on memory chips which corrupts for various reasons causing Iris to open or close incorrectly.
  • Adjust Video Settings and configurations

Resolution

Does the camera support a reset feature?  Reset to factory defaults.

Are the Contrast and Brightness settings correct? Adjust Video Settings and configuration.

The Camera
The lens adjustment on the camera can be turned up too high.  Turn the lens adjustment pot quarter turns to  resolve issue. Increase/Decrease Iris levels in menus.

The Auto Iris Control Cable

  • The control cable from the lens to the camera can have broken pins or not seated
  • The camera Video/DC drive or port could be damaged. Swap with a KNOWN GOOD WORKING LENS; if problem remains, repair or replace camera.
  • The Iris is malfunctioned; Swap with a KNOWN GOOD WORKING LENS; if problem resolves, repair or replace lens

Manual iris Lens
If Lighting has increased with in the field of view then this can occur with a manual Iris lens. Adjust the Iris for the new lighting variable. If manual adjusts do not resolve;  Swap with a KNOWN GOOD WORKING LENS; if problem resolves, repair or replace lens.