Use a defocused electron beam to obtain CL photographs of areas 1-2cm in diameter.

This sample of zircon from Brazil employs macrophotography techniques. See the sample page for information on the specimens and techniques used.

Macro sample chamber

This chamber will accommodate thicker sections and objects such as gems.


The following PowerPoint file contains Dr. Marshall's IGC macrophotography presentation in Florence in August of 2004.

The Technique of Macrophotography in Cathodoluminescence Studies — presented in Florence, 2004. (PowerPoint presentation) by Dr. Donald Marshall, with credit to Dr. Anthony Mariano.