Category: Videos


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 […]

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).

Under the microscope #1 – Dandelion

Dandelion seeds are scattered by wind. Here I am having a look at the fruit of a dandelion. The fruits are the fine “hairs” that carry the seed. In the field of Biology the term “fruit” does not have the same meaning as in everyday usage.

High speed micrography – stinging nematocysts of a jelly fish

Here is an embedded Youtube video which shows some high speed photography.

Foldscope: a paper microscope

The foldscope is a paper microscope with x/y positioning of the slide and an ability to focus.


Paramecium movement

Paramecia are single-celled organisms, belonging to the group of protozoa. They are covered with cilia, which beat and move the cell in the water. Diluted milk was added to the sample to make the water movement visible.

Using the Microscope: Slide adjustment, focussing

This instructional video gives an introduction into the correct use of the microscope.

Video: The secret life of plankton

I just want to share a nice video that I found. It’s worth watching.

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