Discover the fundamentals of microscopes, from understanding different microscope types to learning how to use one effectively. Our Microscope Basics category provides comprehensive guides on the essential components, functions, and operation of microscopes for enthusiasts and beginners alike.
Numerical aperture in microscopy — abbreviated NA — is the single number stamped on every objective lens that determines how much detail you can actually resolve and how much light your lens can gather. Defined by the formula NA = n · sin(θ), it tells you the range of angles over which an objective can …
The microscope is one of the most critical tools in the scientific world. It allows us to see things too small to be seen with the naked eye and opens up a whole new world of discovery. It started as a simple gadget invented around 1590. Though it is unclear whether it was Hans Lippershey …
The condenser of a microscope is the component most beginners ignore — and ignoring it is exactly why their images look flat, dim, or ringed with colour. Sitting between the light source and the stage, it gathers divergent light from the lamp and focuses it into a precise cone that fills the objective lens. Get …
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The AmScope B120C is a fantastic yet cost-effective microscope from the industry’s top maker. With its wide range of features and robust construction, the B120C is a top choice for professional researchers and casual hobbyists. With precision optical glass elements and a powerful 40x-1000x magnification range, the AmScope B120 offers superb clarity for examining anything …
Highlights of the Amscope brand There are a number of reasons why Amscope microscopes are so popular today. For one thing, they don’t only sell microscopes (and dozens of different ones at that), but also various tools and accessories that make the art of microscopy so much better, and the user experience a lot more …
A dissecting microscope — also called a stereo microscope — gives you a true three-dimensional view of whole, opaque specimens at low magnification, making it the go-to tool for anyone who needs to work with their hands while looking through the eyepieces. Whether you’re pinning an insect, inspecting a solder joint, or grading a gemstone, …
Viruses range from 20 to 300 nanometers in diameter, and a standard light microscope resolves no finer than about 200 nanometers — the Abbe diffraction limit — which means the optical microscope you find in a lab or school sits right at the edge of visibility for the very objects virologists most need to study. …
Microscope field of view is the diameter — in millimeters or micrometers — of the circular specimen area you can actually see through the eyepiece at any given magnification. Get this number wrong and you’ll spend ten minutes hunting for a 0.55 mm object on a slide that you could have found in seconds by …
Transmission electron microscopes and scanning electron microscopes both fire beams of electrons at a specimen — but one fires through it and the other scans across it, and that single difference determines almost everything else: what you can see, how you prepare the sample, and which instrument you reach for first. TEM vs SEM: quick …
Light microscopes and electron microscopes are both designed to reveal what the naked eye cannot see — but they operate on entirely different physics, deliver very different images, and suit very different jobs. Understanding the gap between them is the first step to knowing which tool you actually need. Quick comparison: light microscope vs electron …