Assertion: telescope's lens | /r/HasProperty | objective
Facets:
Source sentences:
text: A Galilean telescope has an objective lens with f 1 = 20 cm and the eyepiece lens with f 2
text: The human eye has a convex lens, but the lens is small, and can only collect a small amount of light.
text: The basic refracting telescope has two lenses, The first lens is called the objective lens which is a convex lens that bends the incoming light rays to a focal point within the telescope, The second lens is called the eyepiece which takes the light from the focal point and spreads it out across the retina of your eye, It makes the object seem much closer than it really is.
text: The front lens (the objective) focuses light to form an image in the back.
text: The lens closest to the object is known as the objective, and the second lens is the eyepiece.
text: The second lens is referred to as the small objective lens and is typically a 10× lens.
text: It has an objective lens thats 1.02 meters (40 inches) across, and its total power is 195x.(The 40 inch telescope at Yerkes Observatory)Reflecting telescopes, on the other hand, dont use lenses at all.
text: Refracting telescopes have an objective lens at the front of the tube.
text: The human eye has a convex lens, but the lens is small, and can only collect a small amount of light.
text: The largest lens is called the objective lens, and the smaller lens used for viewing is called the eyepiece lens.