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Teleskopy > Officina Stellare > RH Veloce > Officina Stellare Riccardi-Honders RH 350/980 RH350-AT f/2.8 OTA
Numer produktu: 58323

Riccardi-Honders RH 350/980 RH350-AT f/2.8 OTA

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Overview of the RH Veloce Telescopes:

The RH Veloce is a really unique design, and uses several unique solutions, created by Riccardi and Honders. The RH Veloce uses a double front lens that is weakly convergent, and the primary mirror is a Mangin mirror (from the name of its French inventor). A Mangin mirror is a mirror that is coated on the back surface, not on the front. The light passes through the glass, is reflected by the coating and then passes again through the glass. For this reason, a Mangin mirror is called a refractive-reflective optical element, and opens exciting possibilities to optical engineers. This complex design includes also a corrector group before the focal plane, achieving performances impossible otherwise, with extraordinary fast photographic performances over wide focal planes.

A curiosity about the RH Veloce: since the double frontal lens is convergent, the Mangin mirror is smaller than the nominal diameter of the scope, while the meniscus itself is bigger than the nominal diameter, to ensure a good illumination over the wide field of view of such scopes. For example, the 200 mm model has a 220 mm meniscus and a 190 mm primary mirror. The secondary mirror is a separated piece of glass, or it is made coating the middle of the meniscus, depending on model.

The RH Veloce frontal lens is made in Germany under Officina Stellare specifications.

Veloce in Italian means fast, to indicate its primary vocation: to be a great astrograph capable of stunning performance.

A big evolution step of the iconic Veloce RH200 AT: You can now expect an even better large field photographic performance thanks to an innovative light baffles coating. It will give you a much better reduction of ghosts and scattered light.

The RH VELOCE 350 AT is the largest Veloce in the Family. An incredible ultra fast, ultra wide and super sharp ultimate-astrograph. With it's fast f/2.8 focal ratio and the corrected wide field of 60mm, fully without vignetting, this telescope is your ultimate choice in terms of superior astrographs. You will never find an other telescope with a diameter of 350mm and a focal lenght shorter than 1000mm. Only Officina Stellare has the knowledge to create this incredible telescope.

With his new athermal design is ready to work at any temperature, in the whole word. The whole mechanic system has been redisegned to satisfy every rigid demand for scientific application. It will work always at best wherever you'll place the telescope.

Optics has been improved and optimized for large field imaging and surveys, with a better image quality even on small pixels size cameras. Getting closer to perfection we now add an innovative Nano Coating with a better transmission over a wider wavelenght bandwidth range, a feature appreciated by professionals, and an amazing resistance to dust and moisture.

The Veloce RH 350 AT is an unique astrograph of its kind, thanks to its renewed optical design from the originally Honders design, made from the master optician Massimo Riccardi. The optical scheme uses a full aperture corrector lens and a Mangin primary mirror. Normally in other optical design the front lens has about the same aperture of the primary mirror, but Officina Stellare decided to change rules. The large corrector lens is bigger respect the primary Mangin mirror, to provide a full illumination, avoiding vignetting over the full corrected field. The secondary mirror is separated from the front lens, assembled on a second, temperature comensated, cell.

Near the focus there is a 2 elements rear group, to provide the best definition and corrected field. Its position offers no chromatic aberration and a correction over the whole visible spectrum.

Officina Stellare developed the Veloce RH 350 AT without compromises both on mechanically and optical, using only premium materials (alluminium 6061/7075, titan, bronze, stainless steel, carbon fiber) and CNC machines to work parts from solid blocks. This offers the best precision available in the market today.

Researches uses the Veloce RH 350 AT to do surveys , for example, on: variable stars, supernovae, asteroids, space debris, extrasolar planets, amateurs to get stunning deepsky images.

The Veloce RH 350 AT is still pretty transportable with a weight of only 35kg and convenient to use thanks to compact size and great mechanic. 3 fan primary mirror helps to reach the right working temperature.

The corrected and illuminated field is 60mm. If the user needs to compensate the small misalignment in the imaging train, is possible to adjust the planarity of the focal plane with 4 screws located on the back plate.

Collimation is not only stable, but also intuitive: primary mirror cell has 3 points with large diameter preloaded cup springs (one for each point) operated from oversized bolts. What’s the advantage of this new solution? Well, you only have to rotate right/left each bolt to reach the collimation. No more difficult pull/push screws and locking screws as well.

Light scattering are avoided with a circular mask placed on mirror borders. Inside light shield Officina Stellare use micro baffles, combined with special opaque dark painting and flocking, nearly to zero the possibilities to get parasite stray light. If some special customizations are needed, we can evaluate them together. Our big staff is ready to find the best solution.

Conclusion: The Veloce RH 350 AT offers an incredible fast f/2.8 focal ration with a 60mm corrected field, small stars, great transportability, great optics and great mechanics: this is the best professional astrograph to reach new horizons!

Dane techniczne

Optyka


Typ
Reflektor
Rodzaj konstrukcji
Riccardi-Honders
Ogniskowa (mm)
980
Światłosiła (f/)
2,8
Apertura (mm)
350
Ciężar tubusu (kg)
35
Długość tubusu (mm)
700
Średnica tubusu (mm)
420
Rozdzielczość
0,39
Wielkość graniczna (mag)
14,5
Zdolność skupiania światła
2500
Max. sensowne powiększenie
700
Materiał tubusu
Carbon
Bafle światła rozproszonego w tubusie
tak
Konstrukcja tubusu
Tubus pełny

Reflektor


Obstrukcja zwierciadła wtórnego
55
Średnica zwierciadła głównego (mm)
350
Wentylacja zwierciadła głównego
tak

Wyciąg okularowy


Rodzaj konstrukcji
bez
Backfocus (mm)
80

Montaż


Rodzaj konstrukcji
OTA
Typ montażu
bez montażu

Zawarte wyposażenie


Odrośnik
tak
Skrzynie transportowe
nie
Dovetail
Losmandy-Style
Obejmy
Tak
Korektor
zintegrowany

Ogólnie


Seria
RH Veloce

Zakres zastosowania


Astrofotografia
tak (bardzo dobrze)
Księżyc & Planety
tak
Obserwacja natury
nie
Mgławice & Galaktyki
tak
Słońce
nie

Polecane dla


Amatorzy
nie
Zaawansowani
tak
Kopuły
tak

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*Wszystkie ceny obejmują VAT, plus koszty przesyłki.

Officina Stellare Riccardi-Honders RH 350/980 RH350-AT f/2.8 OTA

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