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In order lists the lenses in the light path between a speciman viewed with the compound light microscope and its image on the retina of the eye?
The lenses in the light path between a specimen viewed with a compound light microscope and its image on the retina of the eye are the objective lens, the tube lens, and the ocular lens. Light passes through the objective lens to magnify the specimen, then through the tube lens to further focus the image, and finally through the ocular lens where it is magnified for viewing by the eye.
What are two ways to focus a hand lens?
Adjust the distance between the hand lens and the object you are examining until the object comes into clear focus. Move the hand lens closer or farther from your eye to bring the object into focus.
What is the difference between the optical axis and the visual axis?
The optical axis is an imaginary line that passes through the center of a lens or mirror, while the visual axis is the line connecting the fovea (center of the retina) to the object being viewed. The optical axis is used in optics to describe the path of light through a lens system, while the visual axis describes the line of sight in relation to the eye.
What type of lenses are used when photographing people's faces from a distance?
You would ask for a telephoto lens in a shop. Scientifically they are convex lenses with longer focal lengths than a normal lens. A normal lens has a focal length between 21 and 35 mm, whereas the medium telephoto lenses used for portraiture have focal lengths between 70 and 135 mm.
What is the antonym for the word concave lens?
convex lens
