Ascorbic acid (Vitamine C), Polarizing light,25 x (on 24 x 36 mm film) Leitz DIAPLAN Microscope and PENTAX LX SLR Camera taken by Mr. Hervé Conge, France

Ascorbic acid (Vitamine C)
Polarizing light, taken by Mr. Hervé Conge, France

Ascorbic acid (Vitamine C), Polarizing light,25 x (on 24 x 36 mm film)
Leitz DIAPLAN Microscope and PENTAX LX SLR Camera taken by Mr. Hervé Conge, France