WHITE PAPER
P-Iris.
New iris control improves image quality in megapixel and HDTV network cameras.
Page 1: ...WHITE PAPER P Iris New iris control improves image quality in megapixel and HDTV network cameras...
Page 2: ...Table of contents 1 Introduction 3 2 The role of an iris 3 3 Existing lens options 4 4 How P Iris works 4 5 Redefining video quality 6...
Page 3: ...lens enabling automatic and precise control of the iris opening The key to under standing P Iris is to look at how the iris affects image quality The iris of a lens regulates the size of a lens apertu...
Page 4: ...iris automatically adjust the iris opening in response to changes in light levels For indoor applications where light levels are constant fixed or manual iris lenses may be suitable since there is no...
Page 5: ...sure time to manage slight changes in lighting conditions and to further optimize an image This allows the optimal iris position to be maintained as long as possible In situations when the preferred i...
Page 6: ...more it does it all automatically which is highly valued in outdoor video surveillance applications Although the P Iris control is initially available only in Axis network cameras the technique has th...
Page 7: ...ng network video solutions for professional installations The company is the global market leader in network video driving the ongoing shift from analog to digital video surveillance Axis products and...
