The MiniScan EZ 4500L is a large area view 45 degree circumferential illumination and 0 degree viewing spectrophotometer.HunterLab's most popular handheld spectrophotometer provides a 31.8 mm port size that has a 25 mm viewed area. The large viewed area makes this unit suitable for a wide range of sample types, such as fabrics, paper, plastic parts, building materials.