Isis Imaging offers the following products at no cost:

Isis Viewer

The best tool for viewing Icefields PDFs at any resolution and navigating through the pages. Compatible with Macintosh OS 10.4.

Grayscale Test Form

Check the accuracy of grayscale reproduction. (A PDF instruction page is included.)

Isis Duotones folder (10.4 Mb)

Duplicate Adobe System Incorporated standard collection of duotones compatible with any ICC supporting application and a grayscale photo.

Profiles are tested on Macintosh computers with ColorSync 3.0