Materials with even surface and high resolution prints can be measured with a small aperture so that many patches can fit on one single page for easier handling.

Structured materials and surfaces require a larger aperture and larger patches to reach the highest level of accuracy.

The Spectro LFP qb has variable 2-8mm apertures.

By using a motor driven optical zoom, the aperture size can be adapted automatically.

This single instrument can be used to accurately measure a variety of different digitally printed materials, to get the most accurate results every day.

Correspondence of aperture diameter and area: