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An optical microscope can generate a micrograph using standard light-sensitive cameras. Photographic film was traditionally used to capture the images.

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The power of magnification of a compound optical microscope depends on the ocular and the objective lenses. It is equal to the product of the powers of these lenses (e.g. for a 10x ocular lens and 100x objective lens used together, the final magnification is 1000x.)

Yolanda graduated with a Bachelor of Pharmacy at the University of South Australia and has experience working in both Australia and Italy. She is passionate about how medicine, diet and lifestyle affect our health and enjoys helping people understand this. In her spare time she loves to explore the world and learn about new cultures and languages.

Smith, Yolanda. 2023. What is Optical Microscopy?. News-Medical, viewed 09 November 2024, https://www.news-medical.net/life-sciences/What-is-Optical-Microscopy.aspx.

Technological developments have now enabled digital images to be taken with CMOS and charge-couple device (CCD) cameras for optical microscopes. As a result, the image can be projected onto a computer screen in real time to examine a sample with these digital microscopes. This increases the convenience of use as eyepieces are no longer needed.

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The objective lens should be brought close to the study sample to allow the light inside the tube of the microscope. This creates an enlarged, inverted image of the sample, which can be viewed through the eyepiece of the microscope.

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There are some instances when optical microscopy is not well suited to the task at hand due to limitations of the technique. For example, at very high magnifications airy disks may be visible, which are fuzzy discs surrounded by diffraction rings, which appear in place of point objects.

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An optical microscope, also sometimes known as a light microscope, uses one or a series of lenses to magnify images of small samples with visible light. The lenses are placed between the sample and the viewer’s eye to magnify the image so that it can be examined in greater detail.

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Smith, Yolanda. (2023, July 19). What is Optical Microscopy?. News-Medical. Retrieved on November 09, 2024 from https://www.news-medical.net/life-sciences/What-is-Optical-Microscopy.aspx.

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Smith, Yolanda. "What is Optical Microscopy?". News-Medical. https://www.news-medical.net/life-sciences/What-is-Optical-Microscopy.aspx. (accessed November 09, 2024).

Smith, Yolanda. "What is Optical Microscopy?". News-Medical. 09 November 2024. .

Optical microscopy is a technique employed to closely view a sample through the magnification of a lens with visible light. This is the traditional form of microscopy, which was first invented before the 18th century and is still in use today.

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Optical microscopy is commonly used in many research areas including microbiology, microelectronics, nanophysics, biotechnology and pharmaceutical research. It can also be useful to view biological samples for medical diagnoses, known as histopathology.

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There are many types of optical microscopes. They can vary from a very basic design to a high complexity that offers higher resolution and contrast. Some of the types of optical microscopes include the following:

Other types of optical microscopes include petrographic, polarizing, phase contrast, epifluorescence, and confocal microscopes.