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Answered 2007-07-06 20:15:18
A barlow lens increases the magnification of the eyepiece usually by a factor of two.
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What type of lens in microscope and telescope?
convex lens in microscope and concave lens in telescope
What lens in a refracting telescope gathers light?
The objective lens. Which is the large lens on the front of the telescope
Are lens part of a telescope?
-- A refracting telescope must have a lens, otherwise it's not a refracting telescope. -- A reflecting telescope can be constructed without any lens, but if you intend to look through it, then you'll use a little lens for the eyepiece.
What does the simplest optical telescope contain?
It contains an objective lens and a lens in the eyepiece of the telescope.
What does a refracting telescope use to produce an image?
A lens.A lens.A lens.A lens.
What are the three functions of a telescope?
the three functions of a telescope are the objective lens, the focuser, and the ocular lens
How are reflecting and retracting telescopes different?
A reflecting telescope is different from a refracting telescope because a reflecting telescope uses a concave lens, a plane mirror, and a convex lens. While a refracting telescope uses two lens.
How many lens does a telescope have?
depends what kind of telescope
What is the function of the objective lens of a refracting telescope?
The objective lens focuses the light entering a refracting telescope.
What is the lens that is the larger lens in a refracting telescope?
The "objective" lens (as opposed to the eyepiece).
What telescope uses a convex lens to gather light?
spectrum telescope refracting telescope
Difference reflecting and refracting telescope?
A reflecting telescope has mirrors, and a refracting telescope has a lens.
What telescope has an eyepiece lens and a mirror?
The telescope described is an optical telescope. If the primary optic is a mirror, it's a reflector, and it the primary optic is a lens, it's a refractor.
A refracting telescope is a type of what telescope?
A telescope in which the principle optical component is a lens, as opposed to a mirror
What type of lens is used in internal focusing of telescope?
Concave lens.
What in the telescope forms an image?
The lens
How many lens are there in a refracting telescope?
In a simple model there are two: the objective lens and the eyepiece lens
Compare the functions of the objective lens in a telescope and a microscope?
The objective lens in a microscope is mainly used to magnify an object. In a telescope, the objective lens is mainly used to gather light.
What does EQ means on a telescope lens?
EQ indicates that the telescope has an Equatorial mount
How many mirrors does a refracting telescope have?
None. A refracting telescope uses a lens.
How many lens does a reflecting telescope have?
It depends on the type of reflecting telescope.
What do you call a telescope that uses a lens to focus light?
It is called a refracting telescope.
You got 10mm lens and 20mm lens for your telescope What is the difference?
10mm lens is more powerful than the 20mm lens
Does a eyepiece of a telescope have a lens?
A telescope eyepiece usually has 2 lenses in an astronomical telescope, and it is designed to give a magnified view of the virtual image produced at the focal point of the main lens.
What is the lens you look through in a telescope binocular or microscope called?
ocular lens
