This Round Convex Lense can be used to as a magnifier or used with lasers & light for cool effects.
Diameter: 24mm
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24mm Double Convex Lens Magnifier Tutorial: Focal Length, Magnification Reality, Safe Handling, DIY Optics Experiments, and When “Defective” Still Works
This tutorial is a detailed, practical guide to using the Round Double Convex Lens Magnifier (Optical Glass) – 24mm (Leobot Product #561) in hobby optics and STEM experiments. You’ll learn what a double convex lens is, how to find its focal length with a simple sunlight/LED method, what “magnification” really means in practice, how to mount and clean a lens without scratching it, and how to use it for real projects like small magnifiers, beam focusing, LED collimation tests, and simple image projection.
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