A Multispectral camera captures images at specific frequencies across the electromagnetic spectrum, where the wavelengths are separated by filters or by use of instruments that are sensitive to a particular wavelength. Normally a camera is considered multispectral if there are more than three bands.

A multispectral sensor can capture images in bands like - Blue, Green, Red, RedEdge, and Near Infrared (NIR). Refer following table to understand the visual difference between these bands.

An area captured in the Blue band

Same area visible in the Green band

Same area visible in the Red band

Same area in the RedEdge band
Same area visible in the Near Infrared (NIR) band