The BVM-139 is a very handy 5Mp portable microscope allowing used to capture images in the field.
Supplied with heavy metal stand.
8 variable LED lights.
Optical and digital zoom
Uses Micro SD cards to store images.
USB connection to connect either to microscope or SD card.
For further information download the pdf attached:BVM-139.pdf
Example image captured on BVM-139
Spores on leaf