ir reflection

Hi all, I've had 6 of these cameras for about 5 years. The picture quality is good during the day, but in the evening it's very poor. I only realised a while after purchasing that dome cameras have inherent issues with nightvision IR. Apart from (this significant issue) the cameras have been...

Disclaimer, I plan on using this 5231 varifocal at full zoom. As you can see, under zero zoom, there is considerable IR blasting the soffit above. At full zoom, the camera lens is further towards the glass making the glare pretty bad. I think if I tilt the camera down a bit I may reduce the...