Diatoms under old microscopes - Diatom Shop

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Although Diatom Lab uses in-house, modern, top of the range microscopes and accessories to guarantee customers the best quality and accuracy, in the laboratory there is also a rich collection of vintage and antique microscopes for the following purposes:
a) to understand how (and at what quality level) test diatoms were resolved throughout history of microscopy;
b) to understand how (and at what quality level) diatoms and other microscopic objects were observed throughout history of microscopy;
c) to understand the technical evolution and the optical aberrations of the microscope objectives and accessories throughout history of microscopy.
These instruments come from the Eighteenth and Nineteenth Centuries and are surprisingly in perfect condition.
The leap into the past through vintage and antique microscopy has several salient aspects:
- first of all it always generates a strong emotion, especially if it is possible to observe from old but like-new instruments (because we understand how the observations of the past were really like and we can put on the clothes of the ancestors. It's a kind of priceless time machine journey);
- we realize that many old scientific discoveries have been made despite using instruments with much inferior performances;
- we understand how much genius, care and passion the past scientists and opticians had in building masterpieces despite having less means than today;
- we can directly verify how the optics have made great strides over time, in this way we can appreciate the present microscopy even more.
Diatom Lab collection of antique microscopes is very large: this page requires a lot of work but is constantly updated with new descriprions of old equipment and interesting experiments. Consult it often

SECTION ONE. Anoptral phase contrast applied to diatoms
Barone, S., 2022. Anoptral phase contrast applied to diatoms: a study by means of test diatoms on the advantages originally described by its discoverer Alvar Wilska, over the standard (positive) phase contrast. Miscape Magazine, 311 (ISSN 1365 - 070x).
Download the article by clicking on the PDF symbol:

SECTION TWO. Diatoms under antique Koristka microscopes (coming soon)

SECTION THREE. Diatoms under antique Zeiss Jena microscope, Stand VIIb from 1884 (coming soon)

SECTION FOUR. Diatoms under antique Zeiss Jena travel microscope, Stand VI from 1911, equipped with three Zeiss Jena Apochromatic lenses, including the 2 mm N.A. 1,40 (coming soon)

SECTION FIVE. Diatoms under antique Zeiss Jena microscope, "Jug-Handle" Stand III D from 1905, equipped with Abbe illuminating apparatus - N.A. 1,40 (coming soon)

SECTION SIX. Diatoms under Lomo MIB-3 travel microscope from 1944 (coming soon)

SECTION SEVEN. Diatoms under Lomo Biolam microscope (coming soon)

SECTION EIGHT. Diatoms in darkfield illumination using the Carl Zeiss Jena Siedentopf cardioid condenser (coming soon)

SECTION NINE. Observing Diatoms using the Leitz Wetzlar Phase Contrast set with the Heine condenser (coming soon)

SECTION TEN. Diatoms in oblique illumination using the Lomo Aplanatic Condenser OИ-14 (coming soon)

SECTION ELEVEN. Diatoms in darkfield illumination using the Lomo Condenser OИ-13 (coming soon)

SECTION TWELVE. Diatoms in Phase Contrast using the Lomo KF-4 set (coming soon)


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