Microsphere calibration beads. Fluorescent light micrograph of multi-size constellation-stained microspheres, used as a test sample to calibrate microscopes used in fluorescent microscopy. This image was obtained using five different filters, with phase effects causing the halos seen around some of the beads. Magnification: x225 when printed at 10 centimetres across. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / UNIVERSITY OF ABERDEEN / Kevin Mackenzie |
Taille de l’image : | 3415 px × 2558 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |