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The light passes through the concave lens.A glass or plastic component of a luminaire that can change the direction of light or control the distribution of light.On the contrary, the real image can be displayed on the screen. The optical lens factory can be divided into convex lens (positive lens) and concave lens (negative lens).
When a beam of light parallel to the main optical axis passes through a convex lens and intersects at a point, the point is called the "focus" optical lens factory.The focal point in the object space
The focal plane at this point, known as the "object square focal plane" optical lens factory, becomes a vertical virtual image.The focal point in the image-square space is called the "image-square focal point" of an optical lens factory, and the focal plane at that point is called the "image-square focal plane".A convex lens is an inverted real image
Lens is the most basic optical element in the optical system of microscope.According to its appearance, the objective lens, eyepiece and condenser are composed of single or multiple lenses.Called "object focus" optical lens factory.
