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The Newtonian Reflector, named after Isaac Newton, is the absolute classic reflector telescope.

The main mirror, which collects light and reflects it, is located at the lower end of the tube. The smaller secondary mirror is located in the top section. It deflects the light by 90°. The focuser, in which one can deploy an eyepiece or camera in order to focus the image, is also located here.

The advantage of this system is that there are no lenses involved, and therefore no chromatic aberration arises. In addition, this design offers the largest aperture for the money.

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Skywatcher Telescope N 200/1000 Explorer 200P EQ5
Skywatcher
Telescope N 200/1000 Explorer 200P EQ5
( 4 / 5 )
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$ 950.00
$ 877.66
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Omegon Advanced Telescope 150/750 EQ-320
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Advanced Telescope 150/750 EQ-320
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$ 499.00
$ 449.00
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Omegon Advanced Telescope 130/650 EQ-320
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Advanced Telescope 130/650 EQ-320
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$ 339.00
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Omegon Telescope N 76/700 AZ-1
Omegon
Telescope N 76/700 AZ-1
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$ 139.00
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Omegon Dobson telescope N 76/300 DOB
Omegon
Dobson telescope N 76/300 DOB
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$ 69.00
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Omegon Dobson telescope ProDob N 254/1250 DOB II
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Dobson telescope ProDob N 254/1250 DOB II
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$ 999.00
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Omegon Dobson telescope N 102/640 DOB
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Dobson telescope N 102/640 DOB
$ 229.00
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Omegon Dobson telescope Advanced X N 203/1200
Omegon
Dobson telescope Advanced X N 203/1200
$ 579.00
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Skywatcher Telescope N 114/1000 SkyHawk EQ-1
Skywatcher
Telescope N 114/1000 SkyHawk EQ-1
( 3.5 / 5 )
$ 243.00
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Omegon Telescope N 76/900 EQ-2
Omegon
Telescope N 76/900 EQ-2
$ 199.00
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Omegon Dobson telescope Push+ mini N 150/750 Pro
Omegon
Dobson telescope Push+ mini N 150/750 Pro
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RRP:  $ 816.80
$ 799.00
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Skywatcher Telescope N 130/900 Explorer EQ-2 with EQ-2-motor drive
Skywatcher
Telescope N 130/900 Explorer EQ-2 with EQ-2-motor drive
$ 402.00
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Omegon Telescope Pro Astrograph N 150/420 OTA CEM40-EC
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Telescope Pro Astrograph N 150/420 OTA CEM40-EC
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RRP:  $ 7,727.00
$ 7,690.00
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Omegon Dobson telescope ProDob N 304/1500 DOB II
Omegon
Dobson telescope ProDob N 304/1500 DOB II
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RRP:  $ 1,247.00
$ 1,190.00
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Celestron Telescope N 130/650 NexStar 130 SLT GoTo
Celestron
Telescope N 130/650 NexStar 130 SLT GoTo
( 5 / 5 )
$ 900.00
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Skywatcher Telescope N 130/900 Explorer EQ-2
Skywatcher
Telescope N 130/900 Explorer EQ-2
$ 306.00
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Skywatcher Telescope N 76/700 Astrolux AZ-1
Skywatcher
Telescope N 76/700 Astrolux AZ-1
$ 158.00
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Skywatcher Telescope N 130/650 Explorer BD AZ-S GoTo
Skywatcher
Telescope N 130/650 Explorer BD AZ-S GoTo
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RRP:  $ 540.00
$ 530.00
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Omegon Telescope Pro Astrograph N 150/420 OTA CEM26 LiteRoc
Omegon
Telescope Pro Astrograph N 150/420 OTA CEM26 LiteRoc
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RRP:  $ 5,028.00
$ 4,990.00
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Omegon Telescope N 114/900 EQ-1
Omegon
Telescope N 114/900 EQ-1
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$ 239.00
$ 219.00
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Omegon Telescope Pro Astrograph N 154/600 CEM26 LiteRoc
Omegon
Telescope Pro Astrograph N 154/600 CEM26 LiteRoc
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RRP:  $ 2,755.90
$ 2,690.00
Product can be shipped as of 15.01.2023
Omegon Telescope N 150/750 EQ-3
Omegon
Telescope N 150/750 EQ-3
( 4.29 / 5 )
Sale price:
$ 339.00
$ 299.00
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Skywatcher Telescope N 150/750 Star Discovery P1 50i SynScan WiFi GoTo
Skywatcher
Telescope N 150/750 Star Discovery P1 50i SynScan WiFi GoTo
( 3.67 / 5 )
$ 720.00
Product can be shipped as of 01.02.2023
Omegon Telescope N 130/920 EQ-2
Omegon
Telescope N 130/920 EQ-2
$ 289.00
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Skywatcher Dobson telescope N 200/1200 Skyliner Classic DOB
Skywatcher
Dobson telescope N 200/1200 Skyliner Classic DOB
( 4.89 / 5 )
$ 570.00
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Omegon Dobson telescope ProDob N 203/1200 DOB II
Omegon
Dobson telescope ProDob N 203/1200 DOB II
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RRP:  $ 887.00
$ 879.00
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Omegon Dobson telescope ProDob N 254/1250 DOB II with radiant
Omegon
Dobson telescope ProDob N 254/1250 DOB II with radiant
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RRP:  $ 1,047.90
$ 969.00
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Omegon Dobson telescope ProDob N 203/1200 DOB II with radiant
Omegon
Dobson telescope ProDob N 203/1200 DOB II with radiant
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RRP:  $ 847.90
$ 839.00
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Omegon Dobson telescope ProDob N 304/1500 DOB II with radiant
Omegon
Dobson telescope ProDob N 304/1500 DOB II with radiant
( 3 / 5 )
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RRP:  $ 1,207.90
$ 1,160.00
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Omegon Telescope ProNewton N 203/1000 OTA
Omegon
Telescope ProNewton N 203/1000 OTA
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RRP:  $ 497.80
$ 489.00
Product can be shipped as of 01.04.2023
Omegon Telescope N 114/500 EQ-1
Omegon
Telescope N 114/500 EQ-1
$ 219.00
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Levenhuk Telescope N 200/1000 Ra 200N F5 OTA
Levenhuk
Telescope N 200/1000 Ra 200N F5 OTA
$ 530.00
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Skywatcher Telescope N 200/1000 PDS Explorer BD EQ5
Skywatcher
Telescope N 200/1000 PDS Explorer BD EQ5
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RRP:  $ 1,080.00
$ 1,050.00
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Omegon Telescope Pro Astrograph 254/1016 EQ6-R Pro
Omegon
Telescope Pro Astrograph 254/1016 EQ6-R Pro
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RRP:  $ 3,038.90
$ 2,890.00
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Celestron Telescope N 130/650 StarSense Explorer DX 130 AZ
Celestron
Telescope N 130/650 StarSense Explorer DX 130 AZ
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RRP:  $ 730.00
$ 690.00
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Celestron Dobson telescope N 254/1200 StarSense Explorer DOB
Celestron
Dobson telescope N 254/1200 StarSense Explorer DOB
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RRP:  $ 1,590.00
$ 1,460.00
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This is how the Newtonian telescope is constructed

This is how the Newtonian telescope is constructed

Light enters at the upper end into the tube. At the lower end there is a main mirror, which can be either spherical or parabolic in shape. The mirror reflects the light back. So that the focal point of the mirror is not in front of the tube opening (and therefore obscured by your head when observing), a secondary mirror is located in the top section. This is a plane mirror which deflects the light by 90° and directs it to one side. Then there is the focuser in which you can insert an eyepiece for observing. In order to focus, that is to get the sharpest possible image, turn the focus wheel on the focuser slightly in either direction.