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Telescop GSO Tub Metal Ritchey-Chretien RC 254/2000 OTA Mărește imaginea

Telescop GSO Tub Metal Ritchey-Chretien RC 254/2000 OTA

Din pacate aceasta descriere nu a fost tradusa momentan in limba romana, din aceasta cauza veti gasi in locul ei descrierea in limba engleza.

Detalii

21269

Disponibilitate: În 5-8 zile.

10 100,00 lei

Din pacate aceasta descriere nu a fost tradusa momentan in limba romana, din aceasta cauza veti gasi in locul ei descrierea in limba engleza.

 

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 monorail focuser carries the weight on a rail, in contrast to Crayford focusers where it is carried on ball bearings, and guarantees shift-free adjustment and setting up. It is suitable for a large range of eyepieces thanks to the 3" connection and 2" reducing adapter.

 

The advantages in a nutshell:

  • ideal for astrophotography
  • no chromatic aberration
  • open system
Diametru obiectiv 254 mm
Tip Ritchey-Chretien
Distanța focală 2000 mm
Raport focal f/7,9
Montura fără montură
Tip focuser Crayford 2”
Capacitate de colectare a luminii 1320
Putere de separație 0,45”
Magnitudinea limită 13,8 mag
Putere de mărire utilă maximă 508x
Control GoTo Nu
Greutate tub 15,6 kg

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