Category: Theory


What are the parts of a stereo microscope?

Stereo microscopes are constructed differently than the “normal” microscopes.

What are the parts of the compound microscope?

The parts of a compound microscope are explained in this post.

Microscopic observation of EHEC?

Is it possible to use microscopes to identify pathogens, such as the EHEC bacterium, which currently (May-June 2011) causes problems in some parts of Europe? The answer is, unfortunately, no.

How many cells are there in the human body?

Let us calculate the total number of cells in the human body.

amplitude, phase

Phase Contrast vs. Bright Field Microscopy

These two microscopic techniques are suitable for different specimens.

Answering Reader Questions

Why is refractive index of mounting media important?

algae, bacteria

Euparal Mounting Medium

Euparal is a semi-synthetic mounting medium used in microscopy.

How to obtain the best resolution with your microscope

The resolution that a microscope is capable of achieving is probably the single most important factor that determines the quality of a microscopic image. Without a sufficiently high resolution, magnification is not possible without loss of quality. There are a variety of different factors that determine the achievable resolution. Some of these factors can not be actively influenced by the microscopist, others can. Some of the factors play a larger role, others a smaller one. In the following post, I want to summarize some of these factors.

Cover glass thickness and resolution

The thickness of the cover glass can have a significant impact on the resolution.

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