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Is it more difficult to produce large mirrors for telescopes that have large objective lenses?
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∙ 6y ago
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Is it true that It is more difficult to produce large mirrors for telescopes that have large objective lenses?
false
How do telescope Works?
Mirrors and lenses in telescopes bend and focus light to produce an image with more detail.
Why should telescopes such as Hubble produce more detailed images than Earth based telescopes?
Earth based telescopes have to see through the atmosphere and all the dust it contains. space telescopes like Hubble have nothing but clearspace to see through.
What is a Keplerian telescope?
what is a keck telescope; The world's premier optical telescope, located on Mauna Kea in Hawaii. Completed in 1992, it is the first of a new generation of telescopes in which electronic controls constantly adjust a collection of small mirrors to compensate for atmospheric distortion to produce images of unprecedented clarity.
Why are curved mirrors used in some telescopes?
Plane mirrors don't form real images. Concave mirrors and convex lenses do. Without a real image, you have nothing to expose film to, nothing to project onto a screen, nothing to capture on a CCD or vidicon, and nothing to look at with an eyepiece.
Is it true that It is more difficult to produce large mirrors for telescopes that have large objective lenses?
false
How do telescope Works?
Mirrors and lenses in telescopes bend and focus light to produce an image with more detail.
A refracting telescope produce an image using an?
A refracting telescope is a type of optical telescope. It was used in astronomical telescopes and spy glasses. Objective lens are used to produce the image.
What is the use of concave and convex mirror?
Concave mirrors are used to focus light, to produce a parallel beam in car headlights, and so you can have a close look while shaving. Convex mirrors are used for making telescopes, viewfinders in vehicles, and used in supermarkets or stores as surveillance as it gives a wider view.
Why is collimation used for telescopes?
Collimation is used for telescopes to make sure the telescopes are perfectly aligned. The reflector will not produce the best image if the aligned is not just right.
What is the objective lens?
In an optical instrument, the objective is the optical element that gathers light from the object being observed and focuses the light rays to produce a real image. Objectives can be single lenses or mirrors, or combinations of several optical elements. They are used in microscopes, telescopes, cameras, slide projectors, CD players and many other optical instruments. Objectives are also called object lenses, object glasses, or objective glasses.
What do Mirrors in a kaleidoscope?
a kaleidoscope uses mirrors to produce images that have several lines of symmetry
Concave mirrors produce images?
virtrual
What is the role of lenses used in cameras telescopes and microscopes?
In a simple microscope, a lens magnifies the image of the sample. in a compound microscope, the objective lens magnifies the image (there may be more than one objective lens) and the eyepiece lens enlarges the virtual image (which is typically inverted by the objective lens).
What did a Venetian glass company produce in 1291?
Mirrors
What types of images do mirrors produce?
virtual images
Can convex mirrors produce real images?
yes
