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Focusing A Camera, Simple?

SentryAlertSystems
in CCTV & Access Control

Featured Replies

Anyone ever fitted a camera where you have to deliberately set the camera just out of focus to compensate for the curvature of the hemisphere?

#american dynamics

What's it viewing

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The earth from Mars?

Nothing is foolproof to a sufficiently talented fool.

Anyone ever fitted a camera where you have to deliberately set the camera just out of focus to compensate for the curvature of the hemisphere?

#american dynamics

Most complicited one we did was anpr for kenjestion charge , everything had to be focused clear weather at night and then checked again in other conditions

But can't see how curviture will have an effect?????? Explain please

Hawkwind from the very edge of Glastonbury?

So, I've decided to take my work back underground.... to stop it falling into the wrong hands

 

I read it as its a PTZ and the hemisphere is the perspex on the bottom, wouldn't that just be piss poor manufacturing?

 

Or was it the curvature of the northern hemisphere of the earth?  Sounds like one hell of a wide angle lens if so.

egg03064.gif

the bubble will always cause issues at high zoom levels

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  • Author

The perspex bubble, yea. Was being modest by saying 'just' out of focus. Was like putting your nans reading glasses on.

All in all a good camera though
  • 2 weeks later...

I've had similar problems with older Axis and Indigovision cameras. They seem to have sorted this now with the more up to date models.

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