Corporate News
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Convex lens imaging law
In optics, the image formed by the convergence of actual light is called the real image; otherwise, it is called the virtual image. Experienced physics teachers often mention such a method of distinguishing when telling the difference between real image and virtual image: “The real image is...Read more -
How to adjust the aperture of the lens?
When adjusting the iris, the iris is always in a larger aperture state. Only when the shutter button is pressed to release the shutter, the aperture automatically shrinks to the set f-factor, and the aperture returns to a larger aperture after exposure. What is the lens? The lens has two fingers ...Read more
