Phase Contrast vs. Darkfield

For “Live Blood Analysis”


How to choose the medium and microscope

most appropriate for you.


First, you might want to ask yourself this fundamental question:


“What is the foremost application for which I am using this microscope?”

There might be two primary answers...

1) I am using the microscope primarily as a tool for client education and wellness coaching/counseling.

2) I am using the microscope primarily as a tool for pleomorphic biological research and to investigate the theories of Guenther Enderlein, Gaston Naessens and others and I have been schooled using strictly darkfield technology.

If #1 is your answer, you may find that combination phase contrast/darkfield microscope is a better choice. If #2 is your answer, you  may find that a top-level darkfield capable system is the optimum way to go.


The question of which is better, phase contrast or darkfield for live blood imaging, is a question that is not black and white.  There are advantages and disadvantages to either medium.


For the vast majority of facilities providing client education in the wellness arena phase contrast typically holds the edge over darkfield. Here are some reasons why...

Due to the shades of gray and the ability to easily differentiate between various potential bacterial or parasitic-like blood forms, phase contrast often becomes the top choice for a live blood visual medium for education, while offering fast, easy and efficient operation.


But now that we’ve said that, let’s not ignore the strong points of using darkfield for live blood viewing.


What microscope is for you?


Ultimately, you have to decide what the primary focus is of your microscope. If you get into phase contrast today, (with the right system) the capability can always be extended into research grade dark field tomorrow. With our core fiber optic systems, you don’t have to choose, you can have either one at your disposal.


Keep that in mind and you’ll discover that you can buy a scope like the Biomedx System 1 or 2 configuration, save a lot of money, and put your savings towards more quantitative items like a terrain auditing system.


If you’re still trying to decide which options are best for your situation, please give us a call and we can help you sort through your choices.



Choosing Systems

Buy a Microscope System

Choosing phase contrast or dark field for live blood cell analysis.

Microscope Catalog

Microscope Flyer

Report: Scientific Basis of Using a Microscope for Health Advocacy

PDF Documents

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