The ASD FieldSpec 4 line of full-range Spectroradiometer delivers the fastest and most accurate spectral field measurements available from any commercial field-portable Spectroradiometer. Continued enhancements to core instrument spectrometers and other critical components have dramatically improved overall performance, signal, and integration. They have more than 3,400 Spectroradiometers throughout the world supporting the remote sensing community. In India itself there could be more than 65 units working in various fields. The client list in India includes prestigious organizations like IITs, Indian Space Research Organization, Defence Research Labs, CSIR Units and Agricultural Research Institutes etc.