image : RTI Spheres

NIR RTI

More ZooMS coming when I’m back with the main hard disk and requisite graphics.  For now. Note to the wise.

If you’re planning some Near Infra-Red Reflectance Transformation Imaging (NIR RTI), check your balls before you start, not all shiny black spheres are alike. It’s also worth to prepare some background material – the image above/below is actually black velvet.

NIR-balls labelled