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Interpupillary Distance on a Microscope: How to Set It
Learn what interpupillary distance means on a microscope, how to adjust the eyepieces step by step, and how to fix double images and eye strain.
Microbiology Microscope Guide: How to See Bacteria
Choose and use a compound light microscope for microbiology: what bacteria look like, the magnification you need, staining, oil immersion, and safe handling.
Lens Fungus Prevention: Keep Microscope and Camera Optics Clear
Learn how to prevent lens fungus with humidity control, smart storage and simple habits for microscopes and cameras, plus what to do if you already see growth.
Objective Correction Collar: How to Use It Step by Step
Learn what an objective correction collar does, how to read its markings, and how to set it for coverslip thickness, step by step, with fixes for common problems.
How to Adjust the Microscope Diopter, Step by Step
Learn how to adjust the diopter on a binocular microscope in six steps: set the eyepieces, focus one eye at a time, and fix blur and eye strain.
Microscope Safety Rules: 12 Habits for Labs and Classrooms
Microscope safety rules for students, teachers and hobbyists: how to carry, plug in, focus, clean and store a microscope, and how to protect your eyes.
Compound Microscope Guide: Parts, Use and How to Choose
Learn how a compound microscope works, what each part does, how to focus step by step, and what to compare before you buy one for home, class or lab.
Phase Contrast vs Brightfield: Which Method Should You Use?
Phase contrast vs brightfield microscopy: how each works, what each shows, their limits, and how to choose for stained slides, living cells or classroom use.
Objective Color Codes: What Each Microscope Ring Means
Read the color band on any microscope objective: red, yellow, green, blue and white mean 4x to 100x. Includes a chart, immersion rings and eyepiece math.