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Astronomy > Telescopes > GSO > GSO Ritchey-Chretien Ritchey-Chrétien RC 254/2000 metal OTA
Product no.: 21269

Ritchey-Chretien Ritchey-Chrétien RC 254/2000 metal OTA

RRP: $ 3,100.00 Our price:
$ 2,570.00 incl. VAT, plus shipping costs
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Product description

GSO RC astrograph:

This is a newly developed telescope from GSO, for the first time at a more affordable price, and is especially suitable for astrophotography as it is a pure reflection system and so has no chromatic aberration. This is due to the use of two mirrors - a hyperbolic primary mirror and a convex hyperbolic secondary mirror. The image is coma-free and has a wide field of view. The open system and quartz mirror mean that RC OTAs cool quickly and there is virtually no problem with dew. This ingenious system even allows infrared photography.

The advantages in a nutshell:

  • ideal for astrophotography
  • no chromatic aberration
  • open system

It not only matters which telescope you buy but also where you buy it. Our additional services:

  • We are a leading telescope dealer and know the devices we sell. Our customer service team will gladly help you after your purchase if you have problems with assembly or operation.
  • We provide a copy of the 80-page Telescope ABC beginners handbook with every telescope.
  • We also provide an edition of the exciting astronomy magazine, “Sterne und Weltraum” with each telescope.

Our expert comment:

You can find a reducer suitable for the GSO-RC here

Specifications

Optics


Type
Reflector
Type of build
Ritchey-Chretien
Aperture (mm)
254
Focal length (mm)
2000
Aperture ratio (f/)
7,9
Resolving capacity
0,45
Limit value (mag)
13,8
Light gathering capacity
1320
Max. useful magnification
508
Tube length (mm)
735
Tube material
Aluminium
Tube weight (kg)
15,7
tube diameter (mm)
294
Tube construction
Full tube

Reflector


Main mirror´s construction
hyperbolic
reflectivity
99

Focuser


Type of build
Crayford
Connection ( to eyepiece)
3
Gear reduction
1:10 Fine movement
Rotating
yes

Mount


Mounting type
no mount
Type of build
OTA
GoTo control
no

Included accessories


Prism rail
Losmandy-Style

Area of application


Moon & Planets
yes
Nebulae & galaxies
yes
Nature Observation
yes
Astrophotography
yes
Sun
not recommended (Only with appropriate Sun filter)

Recommended for


Beginners
no
Advanced
yes
Observatories
yes

Recommended accessories

Media (2)
Star chart

Omegon Star chart Planisphere

$ 14.90*
Outdoor > Lamps (3)
Headlamp

Omegon LED headlamp

$ 13.90*
Astronomy > Telescope accessories (4)
Soft dew shield cap

Astrozap Flexible dew cap for GSO RC 254 with cutouts

$ 160.00*
Maintenance & Cleaning > Lens cleaners (3)

Omegon 7-in-1 lens cleaning set

$ 19.90*
Maintenance & Cleaning > Other (2)

Omegon microfibre cleaning cloth 20cm x 20cm

$ 4.90*

*All prices include VAT plus shipping costs.

GSO Ritchey-Chretien Ritchey-Chrétien RC 254/2000 metal OTA

Monorail focuser (a further development of the Crayford focuser)

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