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Vintage viewing screen for microscopes

Before the time of digital cameras, these screens were used for direct viewing of microscopic specimens.



Changing the 60x objective of my microscope

This video shows you how to exchange microscope objectives.I ordered a used 60x microscope objective and I unpack it and install it in this video. I also do an image test. I have measured the image size and therefore could include a scale bar on the bottom left with the micrographs. * Unpacking the objective […]



Different types of microtomes for microscopy

Here I show you a rotating microtome and two table microtomes. The rotating microtome is large and heavy and used mostly in histology. The two table microtomes have a different working principle and are also suited for amateur microscopy use.



Microscope comparison – From very expensive to super cheap

Here I will be comparing 4 microscopes based on their image quality at 100x. They produce very similar results. The large microscoepe is an Olympus CH40, a “doctor’s microscope”, as I once read. I also have an Olympus CH-A which I got serviced. There is also a BMS 136 series educational microscope and the ELMO-2 […]



White blood cells (leukocytes)

White blood cells obtained from the site of an infection under the microscope.



Microscopy of the dandelion flower

Here I show you how to observe the pappus of the dandelion. This is the part that carries away the seed with the wind.



Under the microscope #3 – Water fountain (with Spirogyra algae)

Here are some nice images of the alga Spirogyra. These algae have a spiral-shaped chloroplast. The video also shows other algae in colonies.



Under the microscope #2 – Sand from playground

Unless it is fine-grained, sand is a bit more difficult to observe under the microscope. Darkfiled microscopy shows quite nicely, that many sand grains are transparent (some made made of quartz).



 

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