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Telescoape > Revelation > Revelation Ritchey-Chretien RC 304/2432 Carbon Truss OTA
Nr. articol: 52014

Ritchey-Chretien RC 304/2432 Carbon Truss OTA

$ 4.640,00 incl. TVA, plus costuri de livrare
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Ritchey-Chretien telescopes: dream telescopes for every astro-photographer!

Of all the Cassegrain mirror telescope versions, the Ritchey-Chretien variant offers the highest level of optical error correction. A Ritchey-Chretien telescope is not only designed to ensure no spherical aberration, but also no coma. In practice this means that stars are not only perfectly in focus in the center of the image, but also right across the field of view. Since no additional coma corrector is required, there is also no chromatic aberration - the colour error typically experienced with lenses.

In an RC telescope the main mirror is fixed and focusing is carried out using the focuser. In an SC telescope the mirror is movable to enable focusing which can lead to image shifting.

The fact that the Ritchey-Chretien system is the mirror configuration with the highest levels of correction has meant that almost all large research telescopes in the world are RC telescopes. The hyperbolic primary and secondary mirrors that give the advantage of high image quality are very expensive to produce. For this reason an RC telescope was, even for wealthy amateur astronomers, until recently a dream that could never be realised. In the meantime Ritchey-Chretien telescopes are now available in the same price range as simpler Cassegrain systems.

This RC telescope is especially optimised for astrophotography; a large secondary mirror provides the necessary illumination of the image field, even for full-frame cameras. The combination of temperature stable quartz mirror substrate ("low thermal expansion glass") with highly-reflective coating ensures bright images and alignment accuracy!

Date tehnice

Optica


Tip
Reflector
Tip constructiv
Ritchey-Chretien
Apertura (mm)
304
Distanta focala (mm)
2432
Raport focal (f/)
8
Putere de separatie
0,38
Magnitudine limita (mag)
14,2
Capacitate de colectare a luminii
1890
Putere de marire utila maxima
608
Greutate tub (kg)
24
Material tub
Carbon
Constructie tub
Truss tube

Reflector


Diametru oglinda secundara (mm)
135
Material oglinda secundara
Quarz
Material - Oglinda principala
Quarz
Diametru - Oglinda pincipala (mm)
304
Reglabil
da
Diametru tub (mm)
88
Obstructie oglinda secundara
49
Ventilatie pentru oglinda principala
da

Focuser


Backfocus (mm)
125
Apertura libera (mm)
76

Montura


Tip montura
fara montura
Tip constructiv
OTA
Control GoTo
nu

Accesorii incluse


Tuburi de prelungire
da
Cautator
fara
Optica de deviere
nu
Adaptor ocular
1,25" - 2"
corector
fara
șină prismatică
Losmandy-Style
Compartiment baterii
da

Aplicaţii


Astrofotografie
da
Luna & Planetele
da
Observatii in natura
nu
Nebuloase & Galaxii
da
Soare
nu

Recomandat pentru..


Incepatori
nu
Avansat
da
Observatoare
da

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*Toate preţurile includ TVA, plus costurile de transport maritim.

Revelation Ritchey-Chretien RC 304/2432 Carbon Truss OTA
Accesorii incluse
Revelation Ritchey-Chretien RC 304/2432 Carbon Truss OTA
Focuser si cautator

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