Actually, they don't. They could've been Spuares, but Galileo had a different idea. Plus, they are a better shape for eyes.
refracting telescopes use lenses instead of mirrors. 1. chromatic aberration: when light passes through a lens it is focused at different points. Blue focuses closer to lens and red farther creating a smeared image. 2. Some light is absorbed by lenses. 3. Lenses are heavy and can only be supported by the edge. 4. Lenses must have to optically acceptable surfaces whereas a mirror only needs one.
Some disadvantages of telescopes include limited field of view, susceptibility to atmospheric conditions such as turbulence and light pollution, and the need for regular maintenance and calibration to ensure optimal performance. Additionally, high-quality telescopes can be expensive and may require specialized expertise to operate effectively.
Practically all telescopes which use lenses, normally the refracting type. the Reflector use objective Concave Mirrors, but even these need eyepieces or finder scopes.
Telescopes can let you see things that are far away.MMMMMMOOOOMMMMMMAAAAAYYYYYY11177777777Telescopes are used to seek out specific stars, planets, nebulas, comets, etc.Also, some other telescopes are used to just seek out objects at a far distance.Telescopes are very cool when you can spot planets outside in the dark sky! :)-MooMay17MMMMMMMOOOOOOMMMMMMAAAAAAYYYYY11111177
cause they gather light and concentrate it.
they do not need visivle light to obtain images
refracting telescopes use lenses instead of mirrors. 1. chromatic aberration: when light passes through a lens it is focused at different points. Blue focuses closer to lens and red farther creating a smeared image. 2. Some light is absorbed by lenses. 3. Lenses are heavy and can only be supported by the edge. 4. Lenses must have to optically acceptable surfaces whereas a mirror only needs one.
They need to look at the stars
Some disadvantages of telescopes include limited field of view, susceptibility to atmospheric conditions such as turbulence and light pollution, and the need for regular maintenance and calibration to ensure optimal performance. Additionally, high-quality telescopes can be expensive and may require specialized expertise to operate effectively.
Bang for the buck. When you need to collect a lot of light to see faintcelestial objects clearly, a large mirror is cheaper and easier to manufacture without defects than asimilarly sized refracting lens.
Telescopes on Earth have to look through the atmosphere (air) which distorts the image. Telescopes in space dont have to look through the atmosphere and so the image is a lot clearer.
100
Access to the brake light bulb is through the tail light lens. First, remove the tail light lens by removing the single star shaped screw that secures the lens. You do not need a special screwdriver or bit: a regular flathead screwdriver will work fine. Once the lens is removed, press in on the bulb and turn ever so slightly. Bulb will now pull out.
You may need to adjust the focus of the lens or clean the lens to improve the clarity of the image. If the issue persists, you may need to check for any scratches or damage on the lens that could be causing the blur.
To determine the correct lens cap size for your camera, you should look for the diameter measurement marked on the front of your camera lens. This measurement will indicate the size of the lens cap you need to purchase.
To determine the size of the lens cap you need for your camera, you should look for the diameter measurement on the front of your camera lens. This measurement is usually in millimeters and will indicate the size of the lens cap you should purchase.
58mm filter u need