Bertsch Solar Microscope
Numéro d’image : 11731867
| Auguste-Adolph Bertsch (1813-1870),French photographic inventor and experimenter. In the 1850's,in conjunction with the microscope designers and manufacturers Edmund Hartnack and Georges Oberhauser,he developed a solar microscope that produced enlarged images of entomological specimens onto either a reflective or rear projection screen. With his knowledge of photography and the wet collodion process he was able to produce photographic prints of these specimens. He is considered a pioneer of photomicrography. This microscope was able to create efficient bright field illumination because of the sun's parallel rays and the sub-stage optical condensing system,an extremely bright field was created in the plane of the specimen. To get images in colour by polarised light microscopy he positioned a polariser above a suitable specimen with the analyser beneath | |
| Licence : | Droits gérés |
| Crédit: | Science Photo Library / Terry, Sheila |
| Taille de l’image : | 6331 px × 2775 px |
| Model Release : | Non requis |
| Property Release : | Non requis |
| Restrictions : | - |
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