31 Mar
2014
31 Mar
'14
8:25 p.m.
On 31 Mar 2014, at 20:42, Louis Dina <lou@loudina.com> wrote:
Does anybody have experience and advice on how to proceed?
Yes, you need a different measuring device. You can get spectros that are made to measure reflective surfaces — they illuminate and measure over a range of angles. -- Martin Orpen Idea Digital Imaging Ltd