Hyperspectral imaging system: ImSpector V10E (Spectral Imaging Ltd., Oulu, Finland). Line scanner with a spectral range from 400 to 1000 nm and a spectral resolution up to 2.8 nm.
Lens: SP-OLE23 (Spectral Imaging Ltd., Oulu, Finland) with 23 mm, f/2.4, C-mount, E-Series, and 400-1000nm.
Linear scanner: SP-X-Stage40 (Spectral Imaging Ltd., Oulu, Finland).
Illumination: Three ASDPro- Lamps (Analytic Spectral Devices (ASD), Boulder, USA).


