Optical microscopes are a common tool found in almost all laboratories that illuminate and magnify a specimen. Optical microscopes offer ease of use but have limited resolving power. If a much higher resolution and greater depth of focus is required, then a scanning electron microscope (SEM) might be more useful. SEMs use a beam of focused high-energy electrons to produce information about the specimen including morphology, chemical composition, and crystalline structure. For a list of microscope manufacturers, see our online directory: LabManager.com/microscope-manufacturers

13 Questions to Ask When Buying a Microscope:

OPTICAL

1. What types of samples will be examined?
2. Are your specimens tall or heavy enough to be better suited for an inverted microscope?
3. What degree of magnification is required?
4. Will you need an external light source?
5. Are there attachments and accessories available to adapt the microscope for different applications?
6. What service and warranty options are available?

SEM

1. Will you need a floor model or a desktop model?
2. What is the finest resolution you want to achieve?
3. What is the microscope speed?
4. How many individuals will use the microscope and how will they be trained?
5. Is there sufficient space in the lab or a dedicated room for the SEM?
6. What ergonomic features are available?
7. What service and warranty options are available?

A Comprehensive Guide to SEM Models and Prices

The price of a SEM varies widely based on type, configuration, specifications, and other factors. New SEMs can cost between $70,000 and $1,000,000, while used instruments typically range between $2,500 to $550,000. This article expounds on buying considerations and offers insight on 50 different microscope models: LabManager.com/SEM-guide

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How to Clean and Sterilize a Microscope

Microscope cleanliness is essential to the health and safety of your lab staff. But microscopes are incredibly sensitive instruments, so it’s important to follow proper cleaning guidelines to prevent damage to it or the objectives. Learn more at LabManager.com/microscope-cleaning