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Types of telescope ! Internal & external focusing telescope ! Eye piece ! Diaphragm ! objective lens - YouTube
![There are two basic types of telescopes refractors and reflectorsThe refractor telescope uses a lens to gather and focus light The reflector telescope uses a mirror to gather and focus lightAll modern There are two basic types of telescopes refractors and reflectorsThe refractor telescope uses a lens to gather and focus light The reflector telescope uses a mirror to gather and focus lightAll modern](https://content-grail-production.s3.amazonaws.com/quetsion-media/31f7ac0f-467e-4be3-b01f-1809a4fd30c0-image.png)
There are two basic types of telescopes refractors and reflectorsThe refractor telescope uses a lens to gather and focus light The reflector telescope uses a mirror to gather and focus lightAll modern
![Willam Optics GT81 with Internal Focus Design (WIFD) Apochromatic Series - Camera Concepts & Telescope Solutions Willam Optics GT81 with Internal Focus Design (WIFD) Apochromatic Series - Camera Concepts & Telescope Solutions](https://cdn.shoplightspeed.com/shops/609820/files/52531353/1600x2048x2/william-optics-willam-optics-gt81-with-internal-fo.jpg)
Willam Optics GT81 with Internal Focus Design (WIFD) Apochromatic Series - Camera Concepts & Telescope Solutions
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Internal Focusing K 0 D 1 Fs 1 K 100 0034 0 34m Lhr X 1 Uhr F C I F S I F S C F - CE120-0 | Course Hero
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William Optics Gran Turismo 81 APO Refractor w Internal Focus Design and 32mm UniGuide - Red - Camera Concepts & Telescope Solutions
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Willam Optics GT81 with Internal Focus Design (WIFD) Apochromatic Series - Camera Concepts & Telescope Solutions
![Introduction to Telescope. What is a Telescope? How many types of telescopes are there? An instrument designed by an arrangement of lenses or mirrors. - ppt download Introduction to Telescope. What is a Telescope? How many types of telescopes are there? An instrument designed by an arrangement of lenses or mirrors. - ppt download](https://images.slideplayer.com/25/7847373/slides/slide_4.jpg)