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Omegon Ritchey-Chretien Pro RC 250/2000 OTA
Telescopes

Omegon Ritchey-Chretien Pro RC 250/2000 OTA

For astrophotography, the Omegon Ritchey-Chretien Pro RC 250/2000 OTA telescope uses hyperbolic primary and secondary mirrors, with no corrector, to provide a wide field of view without coma. The...

For astrophotography, the Omegon Ritchey-Chretien Pro RC 250/2000 OTA telescope uses hyperbolic primary and secondary mirrors, with no corrector, to provide a wide field of view without coma. The quartz mirrors minimize focus shift caused by thermal expansion. The open-tube design has no corrector plate and helps the telescope adapt to ambient temperature...

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  • Item

    Reflecting

    They use a mirror to gather the light. Then, with a secondary mirror at a 45-degree angle, they send the light to the eyepiece.
  • Lens Diameter 250 mm

  • Focal Length

    It is the distance that light rays need to travel to reach the focal point, that is, the sensor of the lens.

    The shorter the focal length, the wider the angle of view for the photograph, and therefore, the more of what is in front of us the lens can capture.
  • Mount Type Equator
2600 00 €
Delivery Fri, 27 Nov - Thu, 03 Dec
14,00 €   shipping cost
Sent from Greece
From Telescopium Athens
Greece
See Leisure on the page of Telescopium Athens

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Description & Specifications

For astrophotography, the Omegon Ritchey-Chretien Pro RC 250/2000 OTA telescope uses hyperbolic primary and secondary mirrors, with no corrector, to provide a wide field of view without coma. The quartz mirrors minimize focus shift caused by thermal expansion. The open-tube design has no corrector plate and helps the telescope adapt to ambient temperature more quickly.

The 3″ linear Crayford focuser is supported by bearings and combines the smooth operation of a Crayford focuser with the stability of a rack-and-pinion mechanism. It rotates fully and features 1:10 fine focus adjustment and a scale for quickly returning to the same focus position.

  • Type: Ritchey-Chretien reflector telescope
  • Mirror diameter: 250 mm
  • Focal length: 2000 mm
  • Optical coating: Dielectric, with 92–94% reflectivity
  • Focuser: Rotating 3″ linear Crayford focuser with bearings
  • Focus adjustment: 1:10 reduction and scale
  • Connections: M78x0.75 (female), adapter to M74x0.75 (male), M74 to 2″, and optional 2″ to 1.25″ reducer
  • Mount: Equatorial
  • Experience level: Experienced

Manufacturer

Manufacturer Details

Warnings & Safety Information

Dimensions

Type
Reflecting

Type

Reflecting

They use a mirror to gather the light. Then, with a secondary mirror at a 45-degree angle, they send the light to the eyepiece.
Lens Diameter
250 mm
Focal Length
2000 mm

Focal Length

It is the distance that light rays need to travel to reach the focal point, that is, the sensor of the lens.

The shorter the focal length, the wider the angle of view for the photograph, and therefore, the more of what is in front of us the lens can capture.
Mount Type
Equator

User Level

Beginner
No
Familiar
No
Experienced
Yes

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.

2.600,00 €
14,00 €   shipping cost